Chaos Zero Nightmare | Latest Updates - Patch Notes & Maintenance (Feb 2026)

Maintenance patch notices in Chaos Zero Nightmare. See all updates, maintenance schedule today, server status, patch notes, server maintenance end time, error and bug fixes in CZN.

Table of Contents

Latest Updates
S2 Balance Adjustments
Past Update Information
Maintenance & Patch Notice NEW!
Past Maintenance Updates

CZN Latest Updates

Galactic Disaster S2 Balance Adjustments

Rule Changes Key Details

Save Data value will be calculated based on additional elements acquired beyond a base Save Data consisting of 8 cards, made up of uniquely obtainable starting cards and Epiphany cards.
Neutral cards are calculated at a fixed value, regardless of whether Epiphany has been applied.
Divine Epiphany will continue to be calculated at 20 pts, unchanged from before.
Monster cards are categorized into Common / Rare / Legendary tiers based on their effects, with each tier valued at 20 / 50 / 80 pts, respectively.
Points awarded for card duplication will be changed from 0 / 10 / 30 pts to 0 / 0 / 40 pts.
Removing cards other than starting cards does not grant points. Each removed starting card is valued at 20 pts. Transforming a card is also treated as removal.
Limits will be added to removal and duplication. Per Save Data, duplication is limited to a maximum of 4 times, and removal is limited to a maximum of 5 times.

1. Combatant Reworks

Tressa

Adjustment Target	Before	After
Agony Effect Mechanics	Applied as a new debuff to the target each time Agony is inflicted. At the end of the turn, each Agony debuff deals damage and reduces its stack by 1.	Agony applied by the caster is stacked as a single debuff. At the end of the turn, damage is dealt based on the number of Agony stacks, then the stack count is reduced by half (The number of damage count increases based on the stack count)
Agony Continuous Effect	At turn end, deal Fixed DoT equal to 50% of the amount of Agony. On effect activation, reduce Agony by 1	At turn end, deal Fixed DoT equal to 50% of the amount of Agony, On effect activation, decrease Agony stacks by half (max 20 stacks)
Shadow Dagger	Cost 0 / Attack / [Exhaust] Damage 50%, 2 Agony	Cost 0 / Attack / [Exhaust] Damage 80%, 1 Agony
Advanced Shadow Dagger	Cost 1 / Attack / [Retain/Retrieve] Damage 100%, 2 x 2 Agony	Cost 0 / Attack / [Retain/Exhaust] 2 Agony, Damage 50%, +10% Damage Amount for each Agony on target
Unsheathe Dagger Unique Epiphany 4	Create 2 Shadow Dagger, Increase the Agony effect of the created Shadow Dagger by 3	Create 2 Shadow Dagger, Increase the Agony effect of the created Shadow Dagger by 2
Shadow Reload Unique Epiphany 1	Cost 2 / Attack / [Retain] 80% Damage to all enemies, 2 Agony, Exhaust all Shadow Dagger in hand, repeat equal to that number	Cost 1 / Attack / [Retain] 80% Damage to all enemies, 2 Agony, Exhaust all Shadow Dagger in hand, repeat equal to that number
Shadow Reload Unique Epiphany 2	Cost 1 / Skill / Heal 100%, Create 2 Advanced Shadow Dagger	Cost 0 / Skill / Heal 150%, Create 1 Advanced Shadow Dagger
Shadow Reload Unique Epiphany 3	Cost X / Skill / Heal 100% × X, Create X Shadow Dagger	Cost X / Skill / Heal 100% x X, Create X cards, each randomly chosen to be either Shadow Dagger or Advanced Shadow Dagger
Shadow Reload Unique Epiphany 4	Cost 1 / Upgrade / [Initiation] When Healed by a Skill Card, create 1 Shadow Dagger	Cost 1 /Skill / Exhaust all Shadow Dagger, then create Advanced Shadow Dagger for each Exhausted
Shadow Reload Unique Epiphany 5	Cost 1 / Skill / [Exhaust] Discard all cards, Create Shadow Dagger equal to that number	Cost 1 / Skill / [Exhaust 2] Discard all cards, Create Shadow Dagger equal to that number
Vital Attack Unique Epiphany 3	Cost 2 / Attack / 80% Damage x 3,+50% Agony Damage Amount for 1 turn	Cost 1 / Attack / 80% Damage x 3,2 – 6 Agony
Cursed Gouge	Cost 1 / Skill / 2 Agony Imprint, 2 Weaken	Cost 1 / Skill / Activates this unit’s Agony applied to the target

Tressa Guide

Cassius

Adjustment Target	Before	After
Quest Mechanic Changes	When conditions are met during battle, generate a Quest card as a reward. Quest card is excluded from the criteria.	When conditions are met during battle, generate a Quest card as a reward, 80% Fixed Healing (3 times per turn),Quest card is excluded from the criteria.
Triple0	Cost 0 / Attack / [Exhaust/Ephemeral] 40% Damage for each Attack Card used this turn	Cost 0 / Attack / [Exhaust/Ephemeral] 40% Damage, +40% Damage Amount for each Attack Card used this turn (max 4 times)
Empowered Triple 0	Cost 0 / Attack / [Exhaust/Ephemeral] 50% Damage for each Attack Card used this turn	Cost 0 / Attack / [Exhaust/Ephemeral] 50% Damage, +50% Damage Amount for each Attack Card used this turn (max 4 times)
Triple 1	Cost 0 / Attack / [Exhaust/Ephemeral] 90% Damage, Heal 90%	Cost 0 / Attack / [Exhaust/Ephemeral] 150% Damage, Heal 150%
Empowered Triple 1	Cost 0 / Attack / [Exhaust/Ephemeral] 120% Damage, Heal 120%	Cost 0 / Attack / [Exhaust/Ephemeral] 200% Damage, Heal 200%
Full House	Cost 0 / Skill / [Exhaust/Ephemeral] Draw 1	Draw 1, Decrease Stress of a random ally by 2
Strengthened Full House (Added on 1/26 09:07)	Cost 0 / Skill / [Exhaust/Retain] Draw 1	Cost 0 / Skill / [Exhaust/Retain] Draw 1, Decrease Stress of a random ally by 3
Dice Trick	Cost 2 / Attack / 240% Damage, Decrease Cost by the number of completed Quests	Cost 2 / Attack / 240% Damage, reduce 1 Morale for 1 turn, decrease Cost by the number of completed Quests
Dice Trick Unique Epiphany 1	Cost 2 / Attack / 360% Damage, Decrease Cost by the number of completed Quests	Cost 2 / Attack / 360% Damage, reduce 1 Morale for 1 turn, decrease Cost by the number of completed Quests
Dice Trick Unique Epiphany 2	Cost 2 / Attack / 300% Damage to all enemies, Decrease Cost by the number of completed Quests	Cost 2 / Attack / 300% Damage to all enemies, reduce 1 Morale for 1 turn, decrease Cost by the number of completed Quests
Dice Trick Unique Epiphany 3	Cost 0 / Attack / 80% Damage, +80% Damage Amount for each completed Quest	Cost 0 / Attack / 80% Damage, +80% Damage Amount for each completed Quest (max 5 times)
Dice Trick Unique Epiphany 4	Cost 2 / Upgrade / When using Quest Card, Heal 100%, 100% Fixed Damage to a random enemy	Cost 2 / Upgrade / [Unique] When using Quest Card, Heal 100%, 100% Fixed Damage to a random enemy
Dice Trick Unique Epiphany 5	Cost 2 / Upgrade / When Quest is completed, create 1 Quest Card	Cost 2 / Upgrade / [Unique] At the start of the turn, create 1 empowered Quest card

Cassius Guide

2. Combatant Improvements

▶ Counterattack

Adjustment Target	Adjustment Direction
Conditional Damage Amount	Damage amount dealt when an attack is fully blocked by a shield will be increased.

▶ Nia

Adjustment Target	Adjustment Direction
Decibel	Healing equal to the number of stacks will be added to the default effect.
Elasticity	The stack limit will be increased, and the effect will now trigger based on the number of stacks.
G Chord	The Decibel gain effect will be increased.
Soul Rip	An effect that grants Elasticity will be added.

Nia Guide

▶ Rei

Adjustment Target	Adjustment Direction
Basic Card Potential Effect	The Critical Chance increase effect will be changed to a damage-based healing effect.
Snack Time	Healing capability will be increased.

Rei Guide

▶ Orlea

Adjustment Target	Adjustment Direction
Base Card Composition	The base card composition will be changed from 2 basic attack cards and 1 basic skill card to 1 basic attack card and 2 basic skill cards.
Basic Card Potential Effect	The chance to generate Creations will be increased.
Creation	The effect values of Creations will be increased.
Growth Acceleration	Healing will be increased.
Will of Light	Reduce cost by 1.

Orlea Guide

▶ Haru

Adjustment Target	Adjustment Direction
Anchor Shot	Damage amount will be increased.
Lift Anchor	The cost of Anchor Shot will no longer increase.

Haru Guide

▶ Yuki

Adjustment Target	Adjustment Direction
Flash Slash	Damage amount will be increased.
Trickery Strike	Damage amount will be increased. A single-target damage-focused effect will be added to low-pick-rate Epiphanies.
Freezing Blade	Damage amount will be increased.

Yuki Guide

▶ Chizuru

Adjustment Target	Adjustment Direction
Karmic Flames	The effect triggered when used on targets inflicted with Cursed Shackles will be enhanced. The cost of certain Epiphanies will be reduced.
Inhibit	It will become possible to gain AP through the user’s own cards and continuous effects.
Bound At Dusk	In its base state, the cost of two cards will be reduced.
Oni Hunt	Damage amount increase effects will be enhanced, and the usability of low-pick-rate Epiphanies will be improved.
Shadow of the Moon / Shadow of the Moon+	Damage amount will be increased. Shadow of the Moon Cards of the same pile will now stack even when they are in the Graveyard or Draw pile.
Moonlight of High Tide	Damage amount will be increased.

Chizuru Guide

▶ Khalipe

Adjustment Target	Adjustment Direction
Upward Slash	Damage amount of Upward Slash when its Potential is not applied will be increased.
Vulture Ejection	Both damage amount and the shield gain of certain Epiphanies will be increased.
Overpower	Shield gain will be increased.

Khalipe Guide

▶ Magna

Adjustment Target	Adjustment Direction
Glacial Iron Fist	Damage amount will be increased.
Ice Wall	Shield gain will be increased.

Magna Guide

▶ Hugo

Adjustment Target	Adjustment Direction
Hunting Instincts	An [Initiation] effect will be added to select Epiphanies.

Hugo Guide

▶ Rin

Adjustment Target	Adjustment Direction
Dark Mist Secret Art: Destruction	Adds the Gain Dark Mist Stance effect to certain Epiphanies The conditions for Dark Mist Blade Art will be removed from certain Epiphanies.
Dark Mist Inner Art	Damage amount increase effects will be increased.
Dark Mist Secret Art: Black Dance	Increased Card Hit Count

3. Partner Improvements

▶ Asteria

Adjustment Target	Before	After
Light of Ark	Cost 2 / +20% Damage Amount of the next Attack card used by the assigned Combatant for the total cost of all cards in the hand (Max 10)	Cost 2 / +40% Damage Amount of the next Attack card used by the assigned Combatant for the total cost of all cards in the hand (Max 10)

Asteria Guide

▶ Westmacott

Adjustment Target	Before	After
Clue Spotted	Cost 3 / Move 1 card from hand to Draw Pile, Draw 1 assigned Combatant card	Cost 2 / Move 1 card from hand to Draw Pile, Draw 2 assigned Combatant card

Westmacott Guide

▶ Itsuku

Adjustment Target	Before	After
Moonlit Leisure	Cost 4 / Deal 200% damage to all enemies, Fierce Winds 1	Cost 3 / Deal 200% damage to all enemies, Fierce Winds 1

Itsuku Guide

4. Memory Fragment Improvements

Adjustment Target	Before	After
Orb of Inhibition Set (4-Set)	When Hitting 2 times with 1 Attack Card, +10% Damage Amount to Void Cards for 1 turn (2 times per turn)	+30% Damage Amount to Void cards that hit 2 or more times
Instinctual Growth (4-Set)	When there are 4 or more cards in hand, increase Damage Amount of Instinct Cards by 20%	When there are 3 or more cards in hand, increase Damage Amount of Instinct Cards by 20%
Spark of Passion (4-Set)	When an Upgrade Card is used, increase Damage Amount of the next 5 Passion Cards used by 20%	When an Upgrade Card is used, increase Damage Amount of Passion Cards by 20% (max 1 stack)

Memory Fragments

5. Equipment and Cards Adjustments

▶ Equipment

Adjustment Target	Before	After
Brainwave-Blocking Helmet	When you Draw a card via an ability, gain a fixed Shield 40%	When you Draw a card via an ability, gain a fixed Shield 40% (5 times per turn)
Psionic Combat Suit	On card Exhaust, gain Fixed Shield 30%	On card Exhaust, gain Fixed Shield 30% (5 times per turn)

▶ Common Cards

Adjustment Target	Before	After
Wanderer of the Void	Cost 0 / Skill / For 1 turn, target’s Action Count does not decrease	Cost 0 / Skill / [Exhaust] For 1 turn, target’s Action Count does not decrease
Tactical Action	Cost 1 / Upgrade / [Initiation] Increase Damage Amount to targets granted Shield by 15%	Cost 1 / Upgrade / [Initiation] Increase Damage Amount to targets granted Shield by 25% (max 1)
Acid Gas	Cost 1 / Skill / [Retrieve] Deal 2 impaired to all enemies	Cost 0 / Skill / [Retrieve/Exhaust]Deal 3 Impair to all enemies
Rally	Cost 0 / Skill / [Haste] Draw 1, Increase Action Count of all enemies by 3	Cost 0 / Skill / [Haste/Exhaust 2] Draw 1, Increase Action Count of all enemies by 3

▶ Monster Card

Grade	Name	Type	Cost	Card Effect
Common	Shy Gardener	Attack	1	50% Damage × 4, 3 Marks
Common	Sorrowful Godfather	Attack	1	50% Damage × 4, 6 Agony
Common	Winged Humanoid Beast	Attack	1	50% Damage × 5
Common	Wolves Bane	Attack	1	Deal 120% damage to all enemies, 2 Weaken, 2 Impair
Common	Dark Grip	Attack	1	120% Damage x 2, Defeat: Deal 120% x 2 damage to random enemies
Common	Rotten Ripper	Attack	1	[Haste] 160% Damage, increase Action Count by 1
Common	Seraphim of Pain	Attack	2	250% Damage. If this is the only card in hand, decrease Cost by 2
Common	Beam Shooter	Attack	3	350% Damage. If the target has Shield, +50% Damage Amount
Rare	Automata Cavalry	Attack	1	Deal 150% damage, 4 Vulnerable
Rare	Soldier Prime	Attack	2	300% Damage. When Ravaged, gain 2 AP
Legendary	Seven Arms	Attack	1	[Haste] 120% Damage. If target’s Action Count is 5 or more, gain 2 AP
Common	Abyssal Bug	Skill	0	[Exhaust] Reduce 1 Morale, reduce 3 Resolve
Common	Chilling Godfather	Skill	0	Activate the bottom 1 card of the Draw Pile. Choose 1 card in hand and move them to the bottom of the Draw Pile.
Common	Trapper	Skill	1	120% Shield, 1 Vulnerable. If the target did not act, +120% Shield Gain, add 1 Vulnerable.
Common	Cultist Arbiter	Skill	1	140% Shield. At the start of the next turn, increase Action Count of all enemies by 2
Common	Slaughter	Skill	2	[Exhaust] 200% Shield, Damage to all enemies by the amount of Shield gained
Rare	Hunger of the Void	Skill	0	[Exhaust] 2 Morale Leech
Rare	Evil Spirit Salamander	Skill	1	[Exhaust 2] Draw 4
Rare	Hunger of Loss	Skill	1	[Exhaust] Draw 1. If there are no cards in hand, Draw 4 extra
Rare	Elemental Phoenix	Skill	1	[Exhaust] 2 Resolve, gain Shield equal to the amount of lost HP
Rare	Spirit Kefox	Skill	1	[Exhaust] From the Draw Pile, choose 1 card to Draw, apply Retrieve to that card
Rare	Arbitum	Upgrade	0	-15% Damage taken (1 time per turn)
Rare	Gloomy Godmother	Upgrade	1	At the end of the turn, 200% Damage to a random enemy
Rare	Shell Bug	Upgrade	1	5 Crystallization
Legendary	Evil Spirit Dullahan	Upgrade	1	When using a Targeting Attack Card, inflict 1 Agony
Legendary	Dominion	Upgrade	2	At the start of turn, 1 Morale

Adjustment Target	Before	After
Spirit Kefox	[Exhaust] From the Draw Pile, choose 1 card to Draw, duplicate that card 1 time into hand	[Exhaust] From the Draw Pile, choose 1 card to Draw, apply Retrieve to that card

Past Updates

January 14 Update

Schedule

January 14, 2026 01:00 – 06:00 UTC

Maintenance Details

Narja & Gaya Rescue Rate Up
Basin of Hyperspace Season 5

Galactic Disaster Season 1 Ends

Unlock Conditions

Clear Act 1, Chapter 5, Episode 5 [Epilogue]

Galactic Disaster: Forbidden Catalyst will come to an end. The story will be moved into Act 2 and progress completed during the Galactic Disaster season will be retained.

Galactic Disaster Guide

Spiral Tower of Screams (Beta)

Unlock Conditions

Reach Captain Level 45

Players form three-combatant team to challenge up to Floor 50 with free team changes on Normal floors. It allows five weekly clears and will reset all progress and rewards upon full release.

Spiral Tower Of Screams Guide

Galactic News Network

Schedule

01/20/2026 18:00 – 02/03/2026 17:59 (UTC+0)

In preparation for Galactic Disaster Season 2, the Galactic News Network event will be held for 14 days.

Guardian of the Ark Underway

Schedule

01/27/2026 18:00 – 02/10/2026 17:59 (UTC+0)

During the event period, the [Guardian of the Ark] event will be available. You can earn rewards based on the number of policies implemented in Ark City.

Emergency Rescue Protocol

Schedule

01/14/2026 after the maintenance – 02/24/2026 17:59 (UTC +0)

The Emergency Rescue Protocol event runs after maintenance to February 24, 2026. By checking in daily, players can earn a total of 10 Rescue Anchors over 7 days.

Overdrive - Simulation

Schedule

01/14/2026 after the maintenance – 01/20/2026 17:59 (UTC +0)

Earn double rewards from Simulations each day. Each day, you can receive 2x rewards from up to 6 Simulation runs. These bonus opportunities reset daily at 18:00 (UTC+0) during the event period.

Codex Merging Cost 50% Discount Event

Schedule

01/14/2026 after the maintenance – 02/04/2026 before the maintenance

During the event period, Codex merging costs will be discounted by 50%.

Virtual Tactical Simulation Event – [Narja] Underway

Schedule

01/14/2026 after the maintenance – 02/04/2026 before the maintenance

During the Rate Up period for the new combatant Narja, you can experience the combatants Narja, Lucas, and Maribell through the Virtual Tactical Simulation event. You can play the trial stage using fixed Save Data that includes the trial Combatant.

New Combatant [Narja] Trauma Code Event

Schedule

01/14/2026 after the maintenance – 02/03/2026 17:59 (UTC +0)

A limited-time Trauma Code event for the new Combatant Narja will be available. During the event period, content can be unlocked without consuming Special Security Codes and you can obtain limited-time rewards by participating in event battles.

New Combatant [Narja] Rate-Up Rescue

Schedule

01/14/2026 after the maintenance – 02/04/2026 before the maintenance

The new combatant Narja will be added to the Normal Combatant Rescue pool after the Rate-Up period ends.

New Partner [Gaya] Rate-Up Rescue

Schedule

01/14/2026 after the maintenance – 02/04/2026 before the maintenance

The new partner “Gaya” will be added to the Normal Partner Rescue pool after the Rate-Up period ends.

New Trauma Code Update

Unlock Conditions

- Reach Captain Level 10
- Clear Story Chapter 2. # 05-1 [Epione Center]
- Use 1 [Special Security Code]

The new partner “Gaya” will be added to the Normal Partner Rescue pool after the Rate-Up period ends.

Basin of Hyperspace – New Season Begins

Schedule

01/14/2026 after the maintenance – 02/04/2026 before the maintenance

A new season of [Basin of Hyperspace: Dimensional Twilight] will begin. A total of 48 battles will take place, spanning from 1st Basin to 10th Basin, including both first and second halves.

Story Skip Feature Added

The game will add a skip option for first-time story content, improving pacing and convenience.

Skip Limitations

However, Skip will remain unavailable during scene transitions, battle starts, branching choices, and tutorial segments, and using it will move players to the relevant point.

Simulation Wave System Improvements

Simulation Growth modes will be updated to replace wave selection with reward multiplier selection. Players choose a multiplier, complete a single battle with scaled Aether cost, and receive rewards based on the selected multiplier upon victory.

Chaos Waypoint Loot Settlement Added

The Chaos Loot acquisition system will be improved, allowing Chaos Loot to be obtained at Waypoints in addition to Chaos boss clears. Waypoints will also grant difficulty-based bonus loot including Units and Traces of Memory equally in Chaos Outskirts and Interior, excluding Chaos Orbs.

Epione Center Keyword Effects

Counseling sessions at the Epione Center will add keyword effects to clearly show how choices impact combatants.

Mental Breakdown Story Added

Repeated negative choices can trigger Mental Image Leakage, and while Mental Breakdown will still recover at the end of the session, no Affinity will be gained for the affected combatant if the state occurs consecutively.

Save Data Customization QoL Improvements

Save Data customization will receive convenience and usability improvements, including the ability to use the same sticker multiple times, auto-select nearby layers when removing stickers, semi-transparent display for out-of-bounds stickers, and a new horizontal flip option.

Combatant Special Lobby Added

Special lobby backgrounds for Amir and Narja will be added, unlocked at Combatant Affinity Level 10.

Combatant Unigram Added

Unigram Bond Stories for Magna, Mei Lin, and Narja will be added, with Bond Story perks unlocked at Affinity Level 15.

Memory Fragment UI/UX Improvements

Memory Fragment updates allow viewing all equipped fragments, consecutive enhancements for up to 5 Legendary fragments, and a Discard tag for bulk dismantling.

Additional Improvements

Other updates add set indicators, highlight effective options, show sub-option enhancement levels, display tag-change notifications, apply filters immediately, equip recommended fragments automatically, and improve sorting by set.

New Packages Added

Limited-Time Packages

Category	Item	Pack Items	Purchase Limit	Price (USD)
Flash of Starshine Package	New Year’s Rescue Support Kit I	Signal Amplification Anchor x20 Crystal x2,400	2 times per account	$49.99
Flash of Starshine Package	New Year’s Rescue Support Kit II	Signal Amplification Anchor x40 Crystal x4,800	2 times per account	$99.99

Permanent Packages

Category	Item	Pack Items	Purchase Limit	Price (USD)
Protos Regular Supply	Regular Rescue Operation I	Signal Amplification Anchor x10 Crystal x1,200	2 times per month	$29.99
Protos Regular Supply	Crystal Supply Kit	Crystal x980 Crystal x300	2 times per week	$14.99

Shop Guide

Arkhianon Supply New Season Start & Improvements

The weekly mission “Use 6 cards in a single turn 3 times” has been removed.
The weekly mission “Complete Codex N times” has been replaced with “Clear Chaos N times”, which now applies to all Chaos content, including Chaos Manifestation, Codex, and Galactic Disaste
Eight new Season Missions have been added.

Additional Retroactive Distribution of Spectral Cubes

Schedule

10/22/2025 after the official launch – 12/24/2025 before the maintenance

During the event period, if you obtain additional 5‑Star Combatants who have already reached Ego Manifestation Stage 6 with Omega Code or Rescue Merit, you will receive Spectral Cubes by in-game mail equal to the number obtained.

Improvements

[QoL Improvements]

Zoom in/out and vertical view mode are now supported in the Character Profile.
A Restart feature will be added to [Basin of Hyperspace].
The difficulty save function will be improved.
Before: The highest difficulty was saved
After: The entered difficulty is saved
A background mute feature will be added to the PC client.

[Unidentified Area Animation Speed Improvements]

The method for adjusting animation speed in Unidentified Areas will be changed.
Before: Speed-up activated by long-pressing the button
After: Speed-up activated when the button is toggled on
For Galactic Disaster Chaos, Chaos Manifestation, and the Codex, the animation speed activation state and speed setting from the previous stage will now carry over when starting a new stage.
A feature to set animation speed levels for Unidentified Areas will be added.
When the speed-up button is activated, you can adjust the speed to your desired level using the speed control button.
Animation speed settings are now shared between Unidentified Areas and Story content.
The maximum display speed limit for speech bubble animations in Unidentified Areas will be removed.

[Codex Experience Improvements]

Codex Merge Grade Synchronization
The Galactic Disaster Chaos difficulty and Codex grade are now synchronized. Based on the highest difficulty cleared in [Galactic Disaster] Chaos, the Codex merge grade in the [Zero System] will be unlocked accordingly.
The Codex level increase options that appear as choices upon clearing a Codex have been increased.
Before: 2–4 levels
After: 8–10 levels
Adjusted Codex Merge Rates The chance for Legendary Codices to appear during Codex merging and upon clearing has been increased.
Adjusted Codex Penalty Rates Penalties with higher data value will now appear more frequently based on Codex grade.

[Other]

The maximum holding limit for the item [Special Security Code] will be capped at 3. Any excess quantity held prior to the update will be retained.
If there are no rescue records available to view in Rescue History, a guide message popup will now be displayed.
New Combatant reaction animations will be added when using “Go on an Excursion” and “Send Gift”.
Some monster sound effects in Unidentified Areas will be improved.
Sound effects will be added to the visuals triggered by Chizuru’s Shadow of the Moon+ continuous strikes.
An elite monster, Suppressed Servant, will be added to Laboratory 0.
The Unidentified Area title icon in Chaos missions will be updated to a Chaos-specific icon.
When re-entering nodes with story choices in Trauma Code, a summary feature will be added to allow faster progression.
The background of the Trauma Code story map will be updated from a shared background to one based on each Combatant’s Mental Breakdown type.
A Season category will be added to the Card Collection.
Upon completing Galactic Disaster Story – Chapter 3. Catalyst of Evolution # 07 [HA-87], the “Petit Haku” sticker will be unlocked.
This will be applied retroactively and distributed during maintenance to Protos who have already completed the content.
A Rare-grade [Battle Mission Unlock] policy will be added.
The display speed of the “Typing...” speech bubble during Unigram message conversations will be improved.

Bug Fixes

[Combat-Related Bug Fixes]

An issue where the damage dealt to enemies after applying Agony was applied differently from the value previewed on the HP bar will be fixed.
An intermittent issue where the Combatant was not displayed during animations when using Sereniel’s attack cards will be fixed.
An issue where Narja’s attack animation would occasionally play when using another Combatant’s card after using a Narja card will be fixed.
The following issues related to Chaos Fate: Inspiration will be fixed:
An issue where the 4th Epiphany of Tressa’s Shadow Reload card did not receive additional generation from Fate: Inspiration.
An issue where cards duplicated via Spirit Kefox monster cards incorrectly received the effects of Fate: Inspiration.

[Other]

The position of the [Unidentified Area] speed-up button differed from the speed-up button shown during Story viewing. The positions will now be aligned.
An issue where speed-up was not applied during Divine Representative and Chaos Core Destruction in [Unidentified Areas] will be fixed.
The background images of the buttons in Chaos > City of Mist and Chaos > Foretold Ruin will be fixed.
Incorrect spacing in the Ego Skill description for Partner > Lillian will be fixed.
Typos in Epione Center > Counseling Records will be fixed.
An issue where the [Weaken] description was not displayed when previewing Galactic Disaster > Monster Card > Thought Debris will be fixed.
An issue where unobtainable items were displayed in the Rare Species description in Galactic Disaster > Chaos > Minimap will be fixed.
An issue where the background of Prologue 1: The Blue Pot > SS Nightmare – Infirmary was displayed abnormally on certain devices will be fixed.
An issue where long Combatant profile descriptions overlapped with the Profile / Voice / Expression buttons will be fixed.
Minor adjustments have been made to NPC Nono’s illustration.
Minor adjustments have been made to Sereniel’s hair illustration.
An issue where Combatants marked as Favorites in Unigram were not displayed in Ark City > Excursion Area under certain conditions will be fixed.
An issue where NPC dialogue was displayed abnormally when moving to Unigram after entering Ark City > Policy Office will be fixed.
An issue where the quantity of the [Recruitment Contract – Partner] item obtained as the Arkhianon Supply Level 30 reward was displayed as 0 will be fixed.
An issue where, when obtaining Legendary Equipment via Chaos > Fate Acquisition, equipment tied to locked exploration rewards could occasionally be obtained will be fixed.
An issue where the Valuable Intel effect obtained in Galactic Disaster > Chaos was applied only to the second item in Dellang Shop will be fixed.
An issue where the game could occasionally become unplayable when pressing Back after using Quick Formation will be fixed.
An issue where the lower portion of the screen was partially cut off in Sereniel’s presentation popup on certain devices will be fixed.
The battle against [Picky Palate] at [Waypoint A] in Trauma Code [Haru] will be removed.
An issue where animation speed would not deactivate in certain situations after selecting the Unidentified Area animation speed-up button will be fixed.
An issue where the Weakness Attack effect text was not displayed for Peko > Ego Skill > Overclock Beacon will be fixed.
An issue where tooltip content was not displayed when the amount of text exceeded the tooltip window size in Ego Skill Details will be fixed.

Adjustment for Abnormal Save Data

An adjustment will be applied to Save Data that exceeded the maximum allowable storage capacity due to an error.
Affected Save Data will be saved in a state where excess data beyond the storage limit will be removed to match the storage cap.

Temporary Restriction on Zero Skill Upgrade Reset & Upcoming Revamp Advance Notice

As part of preparations for a major overhaul of the Zero System and Codex, the [Reset] function for Zero Skill Upgrades will be temporarily disabled. In the future update, a large-scale revamp of the Zero System is scheduled. At that time, all existing upgrades will be reset.

The Chaos Orbs previously used for upgrades will be carefully converted into a new currency and distributed at the time of the revamp. This temporary restriction is intended to ensure that all upgrades are included in the conversion process.

Notice RegardingCodex Unique Options

The Codex Unique Options, which we previously announced to be introduced in the January 14 update, have been unavoidably postponed to the February 4 update in order to ensure more stable content delivery.

December 24 Update

New Story

Galactic Disaster Story Chapter 3, Catalyst of Evolution, becomes playable after the Dec 24, 2025 maintenance for players who clear Act 2 Episode 7, Approaching the Forbidden.

Galactic Disaster - Season 1 Forbidden Catalyst

The Great Rift Second Half Begins

Schedule

2/24/2025 after the maintenance – 1/14/2026 before the maintenance

Upon entering the Lobby after the second half begins, you will receive ranking rewards from the first half.

The Great Rift Guide

3rd Supply Store Open

Schedule

2/24/2025 after the maintenance – 1/14/2026 before the maintenance

You can obtain rewards from the Supply Store using [Pure White Fragment], a currency that can only be acquired in Laboratory 0.

Forbidden Catalyst Guide

Galactic Disaster Content Changes

New Schedule

Before: 01/13/2026 18:00 (UTC+0)
After: 01/14/2026 before the maintenance

The season end time for Galactic Disaster: [Forbidden Catalyst] will be extended.

New Currency – Spectral Cube Added

When acquiring any duplicate ★5 Combatant after reaching the maximum acquisition limit, you will receive a new currency Spectral Cube. Spectral Cube] can be used to purchase various items from the Spectral Cube Shop.

Spectral Cube Shop

Spectral Cube can be used to purchase various items from the Spectral Cube Shop.

Memoirs of the Bureau Chief of the Ark Protection Bureau

Schedule

12/24/2025 after the maintenance – 1/14/2026 before the maintenance

The year-end commemorative event, Memoirs of the Bureau Chief of the Ark Protection Bureau, will be available. You can earn rewards by completing missions that unlock over time on the event page.

Toward the First Light

Schedule

12/24/2025 after the maintenance – 1/14/2026 before the maintenance

The New Year commemorative event, Toward the First Light, will be available. Based on the total amount of Aether used during the event period, you can clear event nodes to earn completion rewards and discover Agents’ Wish Notes.

Overdrive - Simulation

Schedule

12/30/2025 18:00 (UTC+0) – 01/06/2026 17:59 (UTC+0)

During the Overdrive - Simulation event, players can earn double rewards from Simulations each day. You can receive 2x rewards from up to 6 Simulation runs. These bonus opportunities reset daily at 18:00 (UTC+0) during the event period.

Garden Cafe’s Returnee Present

Schedule

14 days from the date of return (available on an ongoing basis)

A special surprise event will be held at the Garden Cafe for Protos returning to Chaos Zero Nightmare. Based on the total amount of Aether used during the event period, you can earn various rewards prepared by Bella.

Happy New Year 2026! Check-in Event

Schedule

12/31/2025 18:00 (UTC+0) – 01/13/2026 17:59 (UTC+0)

To celebrate the arrival of 2026, claim a surprise daily check-in rewards by logging in each day.

Rei’s Gift Event

Schedule

01/06/2026 18:00 (UTC+0) – 01/20/2026 17:59 (UTC+0)

To celebrate the arrival of 2026, we’ve prepared surprise daily check-in rewards you can claim by logging in each day.

Virtual Tactical Simulation Event – [Sereniel]

Schedule

12/24/2025 after the maintenance – 1/14/2026 before the maintenance

During the Seasonal Rate Up period for the new combatant [Sereniel], you can experience the combatant Sereniel, Nia, and Selena through the Virtual Tactical Simulation event. You can play the trial stage using fixed Save Data that includes the trial Combatant.

New Seasonal Combatant Sereniel Rescue Rate Up

Schedule

12/24/2025 after the maintenance – 1/14/2026 before the maintenance

The new seasonal combatant Sereniel will be not added to the Normal Combatant Rescue pool after the rate up period ends. She is available only during this limited-time seasonal event, making her a rare and highly sought-after addition to any roster.

Sereniel Guide

New Seasonal Partner Peko Rate Up Rescue

Schedule

12/24/2025 after the maintenance – 01/14/2026 before the maintenance

The seasonal partner Peko is available only during the limited-time Rate Up and offers unique abilities that synergize with Sereniel, making her a must-have before the event ends.

Battle Missions Additions & Improvements

Details

Battle Mission Chapter 8 will be unlocked, with both Normal and Hard difficulties added.
Normal Difficulty Unlock Condition: Achieve Elite Captain, clear Chapter 7 Normal B06
Hard Difficulty Unlock Condition: Achieve Elite Captain, clear Chapter 7 Normal B06 and Chapter 7 Hard B06
A new Battle Mission difficulty [Abyss] will be added.
Battle Mission [Abyss] Chapters 1–3 will be unlocked.
Unlock Condition: Clear Battle Mission Hard Chapter 3 B6
The [Abyss] difficulty features enemies of a higher level than Hard difficulty.
You can earn rewards by clearing missions.
Enemies that possess Rare Species or gain increased damage after a certain number of turns will also appear, so we encourage Protos to take on the [Abyss] challenge.

Ark City – Disaster Scenario Improvements

Details

The progression flow of Ark City Disaster Scenarios will be improved.
Disaster scenarios will focus on carrying out Relief Operations to restore City Management Index values reduced by disasters.
Readability of text in Calamity Relief Operations will be improved.
City Management Index icons will now be displayed for each operation objective.
Objectives that fall below required City Management Index values will now be shown in red text.
When assigning Aides, their Affinity level will now be visible.
Aides will be sortable by Affinity level during assignment.
When assigning Aides, Combatants in a Deep Trauma state will be identifiable.
On the Policy selection screen, gauges for increased and decreased indices will now feature highlight effects.
The background of the Operation Results screen will now be changed based on the outcome.
The Policy Office background will be updated to better match each disaster scenario’s theme. Policy Point icons will be redesigned for improved clarity.

Chaos – Fate Improvements

Among Permanent and Unlockable Fates, effects with low efficiency or low selection rates relative to their grade will be improved/reworked.

1) Reworked Fate

	Before	After
Satiety	Before: Increase max Health by 10%.	Obtain 1 random Common Neutral Card.
Courtship	An Aether-Eater will appear in one of the Normal Battle Areas.	When entering an Elite Area, decrease Health of monsters by 20%.

2) Improved Fates

	Before	After
Revelation	Guarantees a piece of Legendary Equipment when receiving an Equipment Reward from Elite Areas (next 1 time).	Guarantees a piece of Legendary Equipment when receiving an Equipment Reward from Elite Areas (next 2 times).
Tenacity	Decrease current Health by 50%. Upon arriving at a Waypoint Area, obtain 2 random Legendary Equipment (next 1 time).	Decrease current Health by 50%. Obtain 2 random Legendary Equipment.
Hope	Upon victory in Normal Battle Areas, there is a 30% chance for a random piece of Rare Equipment to appear as a reward.	On winning the battle in a Normal Battle Area, there is a 30% chance for a random Rare - Legendary Grade Equipment to appear as a reward.
Prudence	Lose 100 Credits. Obtain 1 random Legendary Neutral Card.	Lose 50 Credits. Obtain 1 of 3 random Legendary Neutral Cards.
Mistreatment	Upon each victory in Unidentified Areas, gain 50 Credits.	On entering an Unidentified Area each time, obtain 25 Credits.
Gluttony	Decrease current Health by 30%. When moving to another Area, gain 10 Credits.	On each move to a new area, obtain 10 Credits.
Encouragement	On entering the Dellang Shop each time, 1 random displayed item will be on sale for 50% off (next 2 times).	On entering the Dellang Shop each time, 1 random displayed item will be on sale for 100% off (next 3 times).
Tranquility	Reduces the number of Break Recovery cards required for all Combatants by 1.	Decrease the number of Break Recovery cards required by all Combatants by 2.
Persevere	At the end of the battle, recover 5% Health.	At the end of battle, recover 10% Health.
Satiety	Increase max Health by 10%.	Increase max Health by 10%. Obtain 1 random Common Neutral Card.

New Package Added

New items have been added along with to the “Silver Winter Star Festival” Shop.

Year-End / New Year’s Greetings Added

Details

When you enter the Lobby on December 25, the combatant assigned to your Lobby will deliver a Holiday greeting.
When you enter the Lobby on January 1, the combatant assigned to the Lobby will deliver a New Year’s greeting.
Holiday / New Year greetings will play in the following situations.
When logging into the game
When changing the Home background
Setting the Lobby to a Special Illustration or Combatant

Improvements

QoL Improvements

The Combatant > [Replenish Materials] pop-up will be improved to clearly display the owned and required amount.
The Chaos map will be improved to display more area information on a single screen.
If materials are still insufficient after completing a Simulation via an item acquisition source, the Move to Upgrade button will now be displayed.
Codex Achievement will be renamed to [Codex Record] to clearly distinguish them from Achievements.
A red dot indicator will now appear when there are Counseling Records with unclaimed rewards.
The maximum number of Corrupted Data per combatant will be increased from 10 to 100.
Information explaining the maximum Corrupted Data capacity will be added to the Save Data management screen and Help menu.
All Present descriptions will now include a button that links to their acquisition source.
To improve visibility on the Event page, arrow icons will be added to the Event list.
A NEW icon will be added to Shop categories to highlight newly available items.

Other Improvements

Equipped Mythic-grade equipment can be replaced with another Mythic-grade item of the same part.
A new playback-speed feature will be added to Unidentified Areas.
When initiating training in a Safe Zone, the animation that displays Credit consumption will be improved.
An additional confirmation step to prevent accidentally skipping selections during training in Safe Zones will be added.
The difficulty of battles featuring Gloomy Godmother will be reduced. - The difficulty of the Wolves Bane battle will be reduced.
The difficulty of the Empty Mouths battle will be reduced.
The Blockade effect previously applied by Phropto will be adjusted to Suppression.
Before: Card effect does not trigger. Blockade is removed upon use.
After: Decrease Damage, Shield Gain, and Heal Amount by 20%. Suppression is removed upon use.
Additional clarification to Chizuru’s “Inhibit” text regarding AP acquisition will be added.
Cannot gain AP except at the start of the turn or on Ravage. Add 1 Hit to Shadow of the Moon, Shadow of the Moon+
Except for AP gained at the start of the turn or upon Ravage, AP cannot be gained or lost by any other effects, including cards, equipment, or Fate.
The application scope of the “Elasticity” effect possessed by the Great Rift boss “Beginning of Desire” will be adjusted. Damage from retaining Opening Found or discarding Dirge Bullet is not affected by Elasticity.
When changing your Captain nickname, a cooldown period will be applied before it can be changed again. (Cooldown: 72 hours)
The UI will be improved to clearly distinguish Basic Cards, Unique Cards, and Neutral Cards. - The Zero Matrix season end date will be changed.
Before: 01/13/2026 18:00 (UTC+0)
After: 02/03/2026 18:00 (UTC+0) - Descriptions of 5 equipment items will be updated for clarity.
1) Amorphous Cube
Before: At the start of battle, +25% Damage
After: +25%damage
2) The Golden Rule
Before: At the start of battle, +20% Damage, +20% Shield Gain
After: +20% Damage, +20% Shield gain
3) Gloomy Prime’s Eye
• Before: At the start of battle, +40% Shield Gain • After: +40% Shield Gain
4) Rune Lance
Before: When using 5 or more AP, +25% Damage, Shield Gain, and Healing
After: When using 5 or more AP, +25% Damage, Shield Gain, and Healing (1 time per battle)
5) Twisted Discipline
Before: When using 10 or more AP, +2 Immunity
After: When using 10 or more AP, +2 Immunity (1 time per battle)
To improve understanding of the [Tenacity] rules, the existing help text will be updated.
Change Details
ㄴ Some monsters possess Tenacity.
ㄴ “Tenacity Damage” is determined by a card’s cost, and this damage decreases if the card is neither of a Weakness Attribute nor a Targeting card.
ㄴ However, “Tenacity Damage” applied directly through card effects is not affected by increases or decreases based on card effects, Weakness Attributes, or Targeting status.
Functionality remains unchanged.
Rewards for some event choices in Chaos Order Unidentified Area have been improved, and new situations and choices have been added.

Bug Fixes

Details

- An issue where the Affinity Lv. 7 rewards for Maribell and Mika were displayed incorrectly will be fixed.
- An issue where the UI was not displayed correctly when Rescue Records were skipped rapidly will be fixed.
- An issue where progression was intermittently blocked when attempting a retry will be fixed. - An issue where touch interactions did not function properly in certain areas of Potential Nodes 6 and 7 will be fixed.
- An issue in the Japanese version where some Shop sub-tab text was not displayed will be fixed.
- An issue where Roman alphabet icons were not displayed on the Memory Fragment crafting screen will be fixed.
- The bodyguard illustration for the Partner Rosaria will be partially updated.
- An issue where UI sound effects were not played in certain screens will be fixed.
- An issue where the Reload description was duplicated on Veronica’s Pendant of Resolution card will be fixed.
- An issue where, after Owen’s 3rd Epiphany of Wind Riding is applied and the card is used, the effect tab incorrectly displayed the description as Wind Riding will be fixed.
- An issue where the hexagonal background for temporary alliance stage buffs was not displayed in the in-game Team Info screen will be fixed.
- An issue where text was cut off when moving between Exchanges with sub-tabs while the language was set to Japanese will be fixed.
- An issue where an error occurred in specific situations when enemies were defeated by Tressa’s Ego Manifestation Stage 6 effect will be fixed.
- An issue where Maribell’s Shelter Hold card displayed the Shelter Defense illustration after Potential enhancement will be fixed.
- An issue where sound effects were cut off when the monster Elemental Phoenix transformed into a Phoenix Seed, or when a Phoenix Seed revived into an Elemental Phoenix, will be fixed.
- An issue where sound effects did not play when the monster Seraphim of Pain appeared will be fixed.
- An issue where sound effects did not play correctly when the monster Seraphim of Pain took action will be fixed.
- An issue where sound effects did not play when the monster Ghoul Slave appeared will be fixed.
- An issue where sound effects did not play when debuffs or buffs were triggered by using a Breakdown Card will be fixed.
- An issue where equipment not obtainable from the Blue Pot incorrectly appeared in the Collection will be fixed.
- An issue where the sticker reward was not granted upon completing Pilgrims of Nightmare under Achievements > Journey Log will be fixed.

Combat Related Bug Fixes

Details

- An issue where Battle Mission B08 is not displayed within the Forbidden Catalyst story will be fixed.
- The description of the “Inhibit” effect will be revised for clarity.
- An issue where Neutral Cards that could not be obtained were selectable in certain situations will be fixed.
- An issue where the [Ambush] card obtained via the Liberation Fate could be used while in a Breakdown state will be fixed.
- An issue where the card list did not appear in certain situations when receiving the “Trigger Epiphany on 1 selected card” reward in Unidentified Areas will be fixed.
- An issue where promotion stat bonuses were not applied to trial Save Data Combatants will be fixed.
- The Judgment’s Flames Memory Fragment 4-set effect will be adjusted to apply only to cards.
- An issue where Will-O'-Wisp was not obtained when attacking an Aether-Eater in a Cursed Shackles state using cards granted by the Aether-Eater will be fixed.
- An issue where animations were not displayed when using Veronica’s Bombardment Prep card via a card activation effect will be fixed.
- An issue where Mei Lin’s Rising Dragon Spire card did not deal the correct number of hits based on the “number of Passion cards used that turn” when the 5th Epiphany enhancement was triggered will be fixed.
- An issue where the damage highlight was not displayed on the 5th card hit of Yuki’s Flash Slash will be fixed.
- An issue where emphasis highlights were displayed incorrectly in the 2nd and 4th card descriptions of Kayron’s Brand of Annihilation will be fixed.
- An issue where the “upon removal, Stun” text was not displayed for the Requiem persistent effect of the monster Guardian of the Soul will be fixed.

December 3 Content Update

Update Time	12/03 3:03 *Event has now ended
Update Size	0.91GB

Update Summary

- New character Chizuru added
- New Partner Itsuku added
- New login Event held
- Chapter 2 Forbidden Catalyst Begins
- The Great Rift Begins
- Limit Break materials implemented
- New Memory Fragments have appeared
- Unigram Appears

Pickup Rescue Update

Chizuru Combatant Rescue Rate Up

Chaos Zero Nightmare Chizuru Banner Image

The new 5-star character Chizuru has been added to the Combatant Pickup Rescue. Rei and Tressa are also featured in the pickup.

▶ Rescue Gacha Guide

▶ Chizuru Guide

Itsuku Partner Rescue Rate Up

The new Partner Itsuku has been implemented. They have good synergy with Chizuru and are a suitable Partner for Psionic types.

▶ All Partners List

▶ Partner Guide

New Login Event is Live

Chaos Zero Nightmare Chasing the Star’s Trajectory

Event Period	December 03, 2025 – January 14, 2026
All Rewards	Signal Amplification Anchor ×10 Rescue Anchor ×10 Potential Disk ×60 Universal Support Certificate ×75 Universal Tactical Certificate ×90 Tear of God ×3 Sweet Choconilla ×9 Unit ×300,000

To commemorate the event's implementation, the Chasing the Star’s Trajectory login event is being held. You can obtain the rewards above by logging in for 21 days.

Livestream Commemorative Gift

A gift commemorating the livestream was also given out. 500 Crystals were distributed.

Chapter 2 Forbidden Catalyst

Chapter 2 of the Galactic Disaster Forbidden Catalyst has begun. Areas have been added to the Mission and Chaos, and the Score Attack content, The Great Rift, has also been held.

Galactic Disaster Mission Seals and Forbidden

After the Galactic Disaster season ends, each Mission will be added to [Mission].

Chapter 1 Unwelcome Visitor from Afar	Event Period: November 12, 2025 Unlock Conditions: Reach Captain Level 35
Chapter 2 Seals and Forbidden	Event Period: December 03, 2025 Unlock Conditions: Clear Act 1 Episode 9 Joint Investigation Begins
Chapter 3 Catalyst of Evolution	Event Period: December 24, 2025 Unlock Conditions: Clear Act 2 Episode 7 Approaching the Forbidden

New Chaos Matrix Area Added to Season Chaos

In Season Chaos, you can now challenge an additional boss after defeating the central boss. Additionally, you can now check the location of the Dimensional Tunnel within Season Chaos.

Chaos Manifestation Guide

Nebula Distortion Boss Added

A third boss will be added to the high-difficulty content Nebula Distortion. It is scheduled to be held starting 12/9 (Tue), one week after the update.

The Great Rift Begins

The Great Rift Boss

The high-difficulty content The Great Rift is now live. This is content where you aim for a high score, and there are three types of rewards: score achievement rewards, cumulative score rewards, and ranking rewards.

Rift Rewards

Record Rewards	Weekly Cumulative Rewards
Ranking Rewards 1	Ranking Rewards 2

Ranking rewards are almost the same regardless of rank, but you can get stickers corresponding to your rank.

The Great Rift Guide

Omega Codes Introduced

Event Period

After maintenance on 12/02 (Tue) ~ 01/13/2026 (Tue) 02:59

You can exchange Pure White Fragments for items in the Supply Shop. Secondary Supply has been added to the Resupply Shop, and you can also obtain Omega Code, which can be used for the Ego Awakening (Limit Break) of 5-star characters.

Resupply Shop Secondary Supply

▼ Secondary Supply Shop List

New Memory Fragments Sets

Chaos Zero Nightmare New Memory Fragment Set Image

Two new types of Memory Fragments have been added. They are compatible with Instinct and Void type characters, respectively.

Unigram Added

A new feature, Unigram, has been implemented. This is content where you can communicate with Combatants, and it's also possible to view special Missions.

7 Characters in the First Implementation

For the special Missions, 7 characters have been implemented as the first batch: Chizuru/Yuki/Haru/Rei/Mika/Tressa/Beryl.

Other Update Details

- The new Blackhorn Trade has appeared in the Shop.
- Affinity function improved (new gift items implemented, and Rei's special lobby added).
- The number of Units required to level up has been reduced by 80%.
- Quick Formation has been implemented in Team Formation.
- Voices have been added to NPCs in the Dellang Shop and Ark City.

November 12 Update

Update Date & Time	November 12, 2025 15:00 UTC
Update Size	1.16GB

Update Information Summary

Combatant Yuki Arrives
New Partner Westmacott Arrives
Galactic Disaster Forbidden Catalyst Event
3 New Login Events
3 New Events
Basin of Hyperspace New Season
New Shop Items
New Arkhianon Supply Missions
Added Save Data Improvements
New Packs Added
Other Improvements and Bug Fixes

New Rescue Gacha

Yuki Combatant Rescue Gacha

A new 5-star character, Yuki, has been added to the Combatant Pickup Rescue. Nia and Lucas are also featured.

Which Rescue (Gacha) Should You Pull?

Yuki Rating and Recommended Build

Westmacott Partner Rescue Gacha

The new Partner "Westmacott" has been implemented. Westmacott has good synergy with Yuki and increases the damage of Inspiration Cards.

Westmacott Rating and Recommended Character

Galactic Disaster Forbidden Catalyst

Event Period	November 12, 2025 – January 13, 2026 17:59 (UTC +0)
Unlock Conditions	Captain Level 35

CZN's first large-scale Event, Galactic Disaster Forbidden Catalyst, is now live. The Event period is 9 weeks, with content updates every 3 weeks.

Each story will be added to [Mission] after the Galactic Disaster season ends.

Galactic Disaster Mission Forbidden Catalyst

Chapter 1 Unwelcome Visitor from Afar	[Event Period] November 12, 2025 [Unlock Conditions] Reach Captain Level 35
Chapter 2 Seals and Forbidden	[Event Period] December 03, 2025 [Unlock Conditions] Clear Act 1 Episode 9 “Joint Investigation Begins”
Chapter 3 Catalyst of Evolution	[Event Period] December 24, 2025 [Unlock Conditions] Clear Act 2 Episode 7 “Approaching the Forbidden”

The Galactic Disaster Mission Forbidden Catalyst will be added.

New Chaos The Laboratory 0 Added

Unlock Conditions

Clear Act 1 Episode 9 “Joint Investigation Begins”

You can obtain seasonal Save Data by playing the roguelike experience exclusive to The 0th Laboratory Chaos. The 0th Laboratory will be added to Chaos Manifestation and Zero System after the Galactic Disaster season ends.

Nebula Distortion

Unlock Conditions

Clear Chaos: Laboratory 0

Monsters encountered in Chaos are revived by a powerful distorting force. Nebula Distortion can only be challenged with basic Save Data or the Forbidden Catalyst seasonal Save Data.

Supply Shop

1st Supply	[Event Period] November 12, 2025 – January 13, 2026 13:59 (UTC +0)
2nd Supply	[Event Period] December 03, 2025 – January 13, 2026 13:59 (UTC +0)
3rd Supply	[Event Period] December 24, 2025 – January 13, 2026 13:59 (UTC +0)

You can exchange Pure White Fragment for items at the Supply Shop.

▼List of Primary Supply Shop Items

3 New Login Events

The following login Event rewards are the total amount you can obtain by logging in for 7 days. Please note that this is not the reward per day.

Galactic Disaster Dispatch Preparation

Event Period	November 12, 2025 – November 25, 2025 17:59 (UTC +0)
Rewards	Rescue Anchor x5 Signal Amplification Anchor x5

In [Galactic Disaster Infiltration Preparation], you can obtain 5 of each of the two types of Anchors (gacha currency). This helps you save Crystals, so be sure not to miss logging in.

The Month Together Beneath the Starshine

Event Period	November 18, 2025 – December 2, 2025 17:59 (UTC +0)
Rewards	800 Crystals

In [The Month Together Beneath the Starshine], you can obtain a maximum of 800 Crystals by logging in for 7 days.

Rei's Gift

Event Period	November 25, 2025 – December 9, 2025 17:59 (UTC +0)
Rewards	Prism Lens x10

[Rei's Gift] will be held from November 24 and you can obtain 10 Prism Lenses as a login bonus.

3 New Events

Guardian of the Ark

Event Period	November 18, 2025 – December 2, 2025 17:59 (UTC +0)
Rewards	Universal Tactical Certificate x120 Exquisite Slice of Cake x5 Universal Support Certificate x100 Exquisite Slice of Cake x5 Potential Disk x120 Crystals x240

The [Guardian of the Ark] Event is underway. You can earn rewards based on the number of Policies implemented in Ark City during the Event period.

Laboratory 0 Special Exploration Reward

Event Period	November 12, 2025 – December 13, 2025 17:59 (UTC +0)
Rewards	[Exploration Lv.5] Pure White Fragment x1,500 [Exploration Lv.10/13/16/18/20] Pure White Fragment x1,000

A limited Event is underway where you can earn Galactic Disaster rewards. By increasing your exploration level in Chaos "The 0th Laboratory," you can earn the Event currency, Pure White Fragment, according to your Exploration level, which can be exchanged for various items at the Supply Shop.

Virtual Tactical Simulation

Event Period	November 12, 2025 – December 2, 2025 17:59 (UTC +0)
Rewards	Crystals x20 Advanced Battle Memory x3 Striker Manual (Intermediate) x3

During the pickup period for the new Combatant Yuki, you can experience Combatant Yuki through the Virtual Tactical Simulation. You can earn rewards by progressing through the trial stages using a fixed Save Data that includes the trial Combatant.

Basin of Hyperspace New Season Begins

A new season of [Basin of Hyperspace: Dimensional Twilight] has begun. The rewards have been buffed compared to the existing season.

Inspiration Effect Damage Increased

In the new season's Support Buff, damage from Inspiration effects is increased by 50%.

New Shop Items in Traveler Memory Archive & Zeronium Shop

Traveler Memory Archive	Exquisite Slice of Cake Purchase Limit: Up to 3 times a week Cost:40 Moment of the Radiant Traveler Sweet Choconilla Purchase Limit:Up to 10 times a week Cost: 20 Moment of the Radiant Traveler
Zeronium Shop	Ritochka (Striker Partner) Purchase Limit: 1 per account Cost: 300 Zeronium

New items have been added to the Traveler Memory Archive and Zeronium Shop.

New Arkhianon Supply Missions Added

The season Missions for Arkhianon Supply have been newly updated, and Galactic Disaster-related Missions have been added.

Battle Pass (Arkhianon Supply) Guide & Should You Buy

Save Data Improvements

In-game help has been added to check the Save Data retention rules.
A guide regarding the value of Save Data has been added to the Chaos entry team formation screen.
In the detailed information of acquired Save Data, the value of "Ambiguous Memory" is now displayed in a point format. Following the notation of the retention rules published in the help, you can now check the total value of "Ambiguous Memory" retained in the Save Data through this numerical value.

New Packs Added

New items have been added to the Starshine Package and the First Permanent Supply Shop.

Other Improvements and Bug Fixes

Other Improvements and Bug Fixes Details

Other Improvements and Changes

- UI/UX improved
• Basic Save Data can no longer be favorited, locked, or dismantled in bulk.
• When Combatant Affinity Rewards are available, the red dot will now only appear on the [Affinity Bonus Icon] and the [Combatant Detailed Information - [Stats] tab.
- Three new Fates with combat functions have been added
• Diligence: Gain 1 AP and draw 1 card upon defeating a monster (once per turn)
• Enlightenment: Draw 1 card each time an Ego Skill is used
• Focus: Gain 1 AP at the start of your turn if HP is below 50%
- In combatant [Rin]’s card descriptions, the terms [Dark Mist Blade Art] and [Dark Mist Stance] have been unified under [Dark Mist Stance]
- The description of the monster Senectus’s effect [Endless Despair] has been revised.
→[Before] If the last used card was from the same combatant, immediately use Form of Despair
→[After] If the last used card was from the same Combatant, immediately use a Powerful Attack
- The text displayed during Break recovery has been updated.
→[Before] Recovery
→ [After] Reconstructing Consciousness
- The guidance text on the Spot Selection screen regarding Epiphany has been added.
-Activation count of Epiphany is proportional to the depth of Chaos, and is cumulated even outside of battle areas.
- The message displayed when converting a selected Owned Card to a Common Card in an Unidentified Area has been improved.
→[Before] No combatants meet the class requirements.
→[After] Select the card of a combatant that meets the class requirements.
- When monster damage increases after several turns in battle, the information will now be displayed in the combat log.
- The contents of the combat help “Monster (Subspecies)” have been updated.
- Some SD animations that appear when a Breakdown Penalty occurs have been improved.
- An action where the combatant enters the ready stance has been added at the beginning of Combatant [Haru]’s Trauma Code.
- Animation effects have been added to missions under the Story/Battle Missions area.
- Animation effects have been added to Chaos > Chaos Manifestation/Codex
- The model size of certain monsters has been adjusted.
- When defeating a Chaos Boss, the color of the Copy Card Reward Slot has been changed to purple.
- Some text and rewards in Unidentified Area events have been updated.
- The appearance rate of the cat in the [Garden Cafe] has been lowered.
- A cracking sound effect has been added to the Chaos Order [The Ghoul Kennel] event when a key breaks.
- The BGM in Unidentified Areas will now automatically stop when exiting a spot.
- Some BGM tracks played during main story progression have been changed.
- When unlocking the next difficulty through in-game play within the Simulation, new pop-ups, animations, and sound effects have been added.
- Roman numerals (Ⅰ–Ⅵ) have been added to Memory Fragment icons and slots to make each slot’s equipped position more intuitive.
- The search criteria for friends have been updated.
→[Before] Search by nickname
→ [After] Search by UID
- Several tutorials have been improved.
- Awkward parts in the Save Data tutorial has been improved.
- The Prism Module tutorial and the Rescue tutorial have been separated and are now guided individually.
- The Partner tutorial has been partially changed.
- Information about Skill Nodes has been added to the Ark City tutorial.
- The [Reward Preview] rules on the event page have been improved.
- High-grade item are displayed first.
- The number of rewards will no longer be displayed.
- In the Combatant Details’ Partner tab and the Partner Details page, you can now switch between card-style and full-body illustrations for partners.
- The issue where certain background music played louder than others has been fixed.
- In Ark City - Policy, new options have been added that allow you to additionally obtain Research Notes, Crystals, Universal Tactical Certificates, Universal Support Certificates, Potential Disks, and Units.
- The item description for Research Notes now includes information on where they can be obtained.
- The description of the Memory Code has been improved to make it easier to identify the target of Ego Manifestation.
- The level requirement for obtaining the Petit Sticker from Combatant Affinity Rewards has been adjusted from level 20 to level 7.
- The difficulty of battles featuring Gloomy Prime and Gloomy Beast has been reduced.
- A notice regarding refunds has been added to the Arkhianon Supply purchase screen.
- A notice reminding players to claim rewards when the supply period ends has been added to the Arkhianon Supply purchase screen.
- The required level for completing the Growth Guide mission “Achieve a certain Affinity level with one Combatant” has been lowered.
- Cards with the Finales will now be used last during Auto-Battle.
- The Help button is now displayed on the Memory Fragment equipment screen.
- The number of Units consumed when merging Codices has been reduced.
- Probability displays will now show values up to the fifth decimal place.
- Normal and Hard difficulties have been added to Battle Mission Act 6.

Bug Fixes

- An issue where pop-up messages displayed abnormally when repeatedly tapping to add friends will be fixed.
- An issue where the previous Renoa illustration was used when setting an ID card in Account Information will be fixed.
- An issue where effect descriptions were missing when viewing passive skill details for partners [Eishlen], [Erica], and [Rachel] will be fixed.
- An issue where a sound effect played incorrectly when attempting Aether Recharge while recharge is unavailable will be fixed.
- An issue where certain Combatants’ affiliation or birthday information is incorrectly listed in their profiles will be fixed.
- An issue where partner [Yvonne]’s profile description displays incorrect information (from Religious Order → Sanctuary Sisters) will be fixed.
- An issue where the Codex penalty “Anxiety” is mislabeled as “Safe Zone” in its tooltip will be fixed.
- An issue where the Codex penalty “Plague” 1–4 is mislabeled as “Health” in its tooltip will be fixed.
- An issue where frame rate dropped when the monster [Fairy Gremlin] appeared will be fixed.
- An issue where Combatant [Orlea]’s unique buff skill failed to display its visual effect will be fixed.
- An issue where certain buff effects in-game were incorrectly displayed as recovery effects will be fixed.
- An issue where the Breakdown Penalty “Madness” temporarily caused SD character effects to disappear upon activation will be fixed.
- An issue where battles started with a debuff applied due to certain monster effects in Simulation will be fixed.
- An issue where one of Combatant [Renoa]’s potential effects was incorrectly labeled as Basic Card Proficiency instead of Dirge Bullet Effect Boost will be fixed
- An issue where Combatant [Veronica]’s card [Sir Kowalski] retained its damage increase effect permanently when not triggered will be fixed.
- An issue where partner [Lillian]’s Ego Skill drew non-attack cards instead of attack cards will be fixed.
- An issue where the card “Combo” effect was mislabeled as applying to “Companions” instead of “Other Combatants” will be fixed.
- An issue where Tactical Action card effects applied only to the combatant instead of the entire team will be fixed.
- An issue where the text for the potential node “Neutral Card Upgrade” was incorrectly written as “Common Card Upgrade” will be fixed.
- An issue where Combatant [Magna] triggered an error pop-up when attacking with a [Magna] card after inflicting “Freeze” through Ego Manifestation Stage 2 will be fixed.
- An issue where the equipment [Trumpet of Revelation]’s damage increase effect applied incorrect values will be fixed.
- An issue where the Weakness Attack effect from an Epiphany card stacked on top of cards that already had a Weakness effect applied will be fixed.
- An issue where the equipment [Pulsating Egg]’s effect text was mislabeled (HP → Max HP) will be fixed.
- An issue where monsters with more than two pattern effects displayed only one Anticipated Action icon will be fixed.
- An issue where the monster [Fairy Lava] changed color and lost its effects upon encounter will be fixed.
- An issue where one of Combatant [Rei]’s potential nodes incorrectly listed the card Dark Blade as Dark Sword will be fixed.
- An issue where the [Prepare to Flee] effect in monster pattern descriptions was mislabeled as Flee will be fixed.
- An issue where the equipment [Gloomy Prime’s Eye]’s effect description was incorrect (Shield gained at battle start +20% → +40%) will be fixed.
- An issue where Combatant [Haru] could enter Trauma Code battle event once without completing the intro sequence will be fixed.
- An issue where the appearing monster’s attribute and the recommended attribute differed in Combatant [Haru]’s Trauma Code battle mission B01 will be fixed.
- An issue where an error occurred when converting cards in the Remnants of Failure Unidentified Area, preventing further progress, will be fixed.
- An issue where interacting with Combatant Details during dialogue exit animation in Chaos Unidentified Areas caused the sequence to freeze will be fixed.
- An issue where Combatant [Mika]’s second Ego Manifestation effect caused HP to exceed the maximum when activated after the turn ended while owning a shield will be fixed.
- An issue where the material count did not update in real time on the Combatant Promotion screen when promotion materials were obtained via merge will be fixed.
- An issue where the new Epiphany mark occasionally did not appear on Save Data will be fixed.
- An issue where, in Ark City > Garden Cafe, existing order records prevented reordering until reconnection will be fixed.
- An issue where the Help menu notification dot did not disappear will be fixed.
- An issue where Combatant [Mika]’s “Whirlpool” 5th Epiphany damage did not increase with the “Upgrade Unique Cards” potential will be fixed.
- An issue where an empty pop-up temporarily appeared when attempting to purchase an item without sufficient Crystals will be fixed.
- An issue where the “Lock” function did not apply immediately when used in the completion pop-up right after crafting a Memory Fragment will be fixed.
- An issue where the merge/dismantle guidance pop-up did not appear when lacking promotion materials will be fixed.
- An issue where rapidly tapping of the “Claim All” button in Achievements caused the game to become unresponsive will be fixed.
- Typographical and spacing errors in certain in-game texts will be fixed.
- An issue where Korean text appeared on the Team Card page in the Team Formation menu for [English/Japanese/Traditional Chinese] languages will be fixed.
- An issue where the “Claim Reward” text in Codex Achievements for [English/Japanese] versions broke into multiple lines will be fixed.
- An issue where Achievement tooltips in [English] overflowed the UI when exceeding three lines will be fixed.
- An issue where abnormal text occasionally appeared during counseling sessions in the Epione Center will be fixed.
- An issue where [Normal Battle Area] were not displayed in the Zero System – Upgrade effect “[Rare] Appearance Rate Patch” will be fixed.
- An issue where the Zero System – Upgrade effect “[Credit] Gain Patch” was mislabeled as “Battle Spot” will be fixed.
- An issue where the Codex penalties Tyrant, Elite, and Loss were mislabeled as “Battle Spot” will be fixed.
- An issue preventing certain Codex achievements from being completed will be fixed.
- An issue where the Zero System – Upgrade effect “[Divine Representative Encounter] Protocol” incorrectly displayed the [Dominion of Kyrken] effect, and where this effect was also applied to Elite Monsters, will be fixed.
- An issue in the Ark City tutorial where the screen occasionally failed to refresh after selecting a project will be fixed.
- An issue in the Ark City tutorial where the unlock pop-up displayed abnormally after selecting the Open Battle Missions policy will be fixed.
- An issue where an error occurred when moving to the lobby during Decorate Save Data under certain conditions will be fixed.
- An issue where the HP reduction effect of the Schizophrenia card did not trigger will be fixed.
- An issue where the tooltip for the Epiphany effect [At the start of the turn, inflict 2 Agony on all enemies] incorrectly displayed as 1 Agony will be fixed.
- An issue where Rare Monsters had lower than intended Attack, Defense, and HP scaling will be fixed.
- An issue where Basin of Hyperspace missions were not displayed as failed in the stage info screen when the mission failed will be fixed.
- An issue where the description of the Human Shadow Form was incorrectly displayed will be fixed.
- An issue in Nightmare Mode where loot was incorrectly indicated as obtainable after escaping, despite being unobtainable, will be fixed.
- An issue where the damage of Chaos Scripture and Forbidden Scripture was applied as normal damage instead of fixed damage will be fixed.
- An issue where the damage increase of Sun-Setting Bow functioned abnormally will be fixed.
- An issue where part of [Hugo]’s unique passive “Last Resort” description was missing will be fixed.
- An issue where [Cassius]’s “Shuffle Cards” card’s behavior differed from its description will be fixed.
- An issue where [Renoa]’s “Instant Judgment” Epiphany card did not increase damage even when “Instant Judgment” effect was stacked will be fixed.
- An issue where some of [Owen]’s Epiphany cards were incorrectly treated as extra attacks will be fixed.
- An issue where partner [Kiara / Marin / Anteia]’s skill descriptions were partially unclear will be fixed.
- An issue where partner [Scarlet]’s Ego Skill Binding Knot description was missing the phrase “Lasts 1 turn” will be fixed.
- An issue where Combatant [Kayron]’s 7th Potential Node option related to “Critical Damage” was incorrectly labeled will be fixed.
- An issue where Combatant [Rin]’s 7th Potential Node option related to “Critical Chance” Increase did not apply correctly will be fixed.
- An issue where Trauma Code events remained unlocked and playable even after completion will be fixed.
- The mistranslation of the achievement effect for Eternal Sand Jar under Ark City > Research Facility > Learning Node Level 45, which was previously shown as “Supply Chain Circulation Enhancement Policy” will be fixed.

Other Improvements and Changes

- UI/UX improved

- Improved so that basic Save Data cannot be favorited, locked, or mass-disassembled.

- When Affinity rewards can be received from a Combatant, a red notification mark will now only be displayed on the [Affinity Bonus Icon] and the [Combatant Details - Stats] tab.

- 3 new Fates with combat skills added

- Diligence: Each turn, when you defeat a monster for the first time, gain 1 AP and draw 1 Card.

- Enlightenment: Draw 1 Card each time you use an Ego Skill.

- Focus: At the start of the turn, if your current HP is less than 50% of your max HP, gain 1 AP.

- The names [Dark Mist Blade Art] and [Dark Mist Stance] in Combatant [Rin]'s Card descriptions have been unified to [Dark Mist Stance].
- The description of the persistent effect [Infinite Despair] held by the monster @@{セネクトゥス}@@@ has been changed.

→[Before] If the card is from the same Combatant as the previously used card, immediately use the Despair form.

→[After] If the card is from the same Combatant as the previously used card, immediately use a powerful Attack.

- Text displayed during Mental Breakdown recovery has been changed.

→[Before] Recover

→[After] Reconstructing Consciousness

- Epiphany guide text displayed on the area selection screen has been added.

→The number of Epiphany occurrences is proportional to the depth of Chaos and accumulates even outside of combat areas.

- Text displayed when selecting "Convert Owned Card → Common Card" in the Unidentified Area reward selection has been improved.

→[Before] No Combatant meets the Class restriction.

→[After] Please select a card of a Combatant that meets the Class restriction.

- Improved so that when a monster's damage increases during a battle lasting a certain number of turns, the details are displayed in the battle log.
- The content of the battle help "Monster (Subspecies)" has been changed.
- Some SD animations have been improved for Mental Breakdown and penalty occurrences.
- An action has been added where the Combatant transitions to a ready stance at the beginning of Combatant [Haru]'s Trauma Code.
- Animation effects have been added to the Mission > Mission/Battle Mission area.
- Animation effects have been added to Chaos > Chaos Manifestation/Codex.
- The modeling size of some monsters has been changed.
- The color of the card copy reward slot when defeating a Chaos boss has been changed to purple.
- Some text and rewards for Unidentified Area events have been changed.
- The appearance rate of cats in the [Garden Cafe] has been reduced.
- An explosion sound has been added for the situation where the key breaks in The Chaos Order [Ghoul Breeding Ground] event.
- The BGM will now automatically end when exiting an Unidentified Area.
- The BGM played during some main Mission has been changed.
- Pop-ups, animations, and sounds have been added when the next difficulty level is unlocked in Simulation play.
- Roman numerals (I-VI) have been added to the Memory Fragment icons and slots to make it easier to understand the equipment position for each slot.
- Friend search conditions have been changed.

→[Before] Search by friend's nickname

→[After] Search by friend's UID

- Some tutorials have been improved.

→Unnatural guidance in the Save Data tutorial has been improved.

→The Prism Module tutorial and Rescue tutorial will now be guided separately.

→The Partner tutorial has been partially improved.

→Skill node content has been added to the Ark City tutorial.

- The rules for [Reward Preview] on the event page have been improved.

→Items of a higher Grade will be displayed first.

→The number of rewards will no longer be displayed.

- Improved so that in the Combatant Details Partner tab and Partner details, the Partner's illustration can be changed to view either the card form or the full body illustration.
- Fixed an issue where some BGM was louder compared to other BGM.
- In Ark City - Policy, options have been added to additionally obtain Research Notes, Crystals, Universal Tactical Certificates, Universal Support Certificates, Potential Disks, and Units.
- The source of Research Notes has been added to the item description for Research Notes.
- The description has been improved to make it easier to identify the Ego Awakening target of a Memory Code.
- The acquisition level for the Puchi Sticker among Combatant Affinity rewards has been adjusted from level 20 to level 7.
- The difficulty of battles featuring Gloomy Prime and Gloomy Beast has been reduced.
- A description regarding contract cancellation has been added to the Arkhianon Supply purchase screen.
- A guide regarding reward collection when the supply period ends has been added to the Arkhianon Supply purchase screen.
- The achievement level for the "Reach a specific Affinity with any Combatant" MIssion in the Growth Guide has been lowered.
- Improved so that Cards with the [Ultimate] effect are used last in auto-battle.
- Improved so that a help button is also displayed on the Memory Fragment equipment screen.
- The Units consumed during Codex synthesis has been reduced.
- Improved so that when displaying probabilities, decimals are displayed up to the 5th decimal place.
- Normal/Hard difficulty has been added to Battle Mission Chapter 6.

Bug Fixes

- Fixed a bug where repeatedly tapping to add a friend would cause the pop-up content to not display correctly.
- Fixed a bug where an old illustration of Renoa was used when setting the ID Card in the account information.
- Fixed a bug where parts of the passive skill details for Partners [Eishlen], [Erica], and [Rachel] were not displayed correctly.
- Fixed a bug where a sound effect would play when attempting to Recharge Aether when Aether could not be recharged.
- Fixed a bug where the affiliation and birthday information in some Combatants' profiles were incorrectly listed.
- Fixed a bug where the description in Partner [Yvonne]'s profile was displayed differently from the intended design (@@{修道会}@@@ → @@{安息修道女会}@@@).
- Fixed a bug where the Codex penalty "Anxiety" was incorrectly listed as "Safe Zone" in the text.
- Fixed a bug where the Codex penalty "Disease" stages 1-4 were incorrectly listed as "HP" in the text.
- Fixed a bug where the frame rate would drop when the monster [Faerie Gremlin] appeared.
- Fixed a bug where the effect would not display when Combatant [Orlea] used her unique buff skill.
- Fixed a bug where in-game buff effects were displayed as recovery effects.
- Fixed a bug where the SD character's Mental Breakdown effect would temporarily disappear when the Mental Breakdown penalty "Madness" was triggered.
- Fixed a bug in Simulation where the battle would start with a debuff due to certain monster effects.
- Fixed a bug where the Potential effect "Dirge Bullet Effect Increase" for Combatant [Renoa] was displayed as "Basic Card Proficiency".
- Fixed a bug where if the damage increase effect of Combatant [Veronica]'s card [Sir Kowalski] was not used, the effect would remain permanently.
- Fixed a bug where using Partner [Lillian]'s Ego Skill would draw a non-Attack Card.
- Fixed a bug where the description of the Card [Combo] effect displayed "ally" instead of "another combatant".
- Fixed a bug where the Tactical Action card effect was applied only to the Combatant who used it, not the entire team.
- Fixed a bug where an error pop-up would appear when attacking with Combatant [Magna]'s card after she applied "Freeze" from her 2nd Ego Awakening.
- Fixed a bug where the damage increase when the equipment [Trumpet of Revelation] effect was activated was applied with a different value than the actual one.
- Fixed a bug where the weakness attack effect from an Epiphany was being redundantly applied to a card that already had a weakness effect.
- Fixed a typo in the equipment effect text for [Beating Egg]. (HP→Max HP)
- Fixed a bug where only one anticipated action icon was displayed even though the monster's pattern had two or more effects.
- Fixed a bug where the monster's color would change and its effect would disappear upon encountering the monster [Faerie Lava].
- Fixed a bug where the Potential node "Dark Blade" for Combatant [Rei] was displayed as "Dark Sword".
- Fixed a bug where the [Escape Preparation] effect in the monster's pattern description was displayed as "Escape".
- Fixed the text of the equipment effect displayed by [Gloomy Prime's Eye] (At the start of battle, Shield gain +20%→40%).
- Fixed a bug in Combatant [Haru]'s Trauma Code event battle where it was possible to enter event battle 1 without going through the intro.
- Fixed a bug in Combatant [Haru]'s Trauma Code Battle Mission #B01 where the attribute of the appearing monster did not match the recommended attribute.
- Fixed a bug in the Unidentified Area "Remains of Failure" where the game would become unplayable when converting Cards.
- Fixed a bug in the Chaos Unidentified Area where tapping on a Combatant's details during the conversation-ending animation would make the game unplayable.
- Fixed a bug where if a turn ended with a Shield and Combatant [Mika]'s 2nd Ego Awakening effect activated, her HP would increase beyond her max HP.
- Fixed a bug where when obtaining materials needed for a Combatant's promotion through synthesis, the owned amount was not immediately reflected on the Combatant promotion screen.
- Fixed a bug where the Divine Epiphany mark might not be displayed on the Save Data.
- Fixed a bug in Ark City > Garden Cafe where if there was an order record, you could not order again until you logged back in.
- Fixed a bug where the red pop-up on the help screen would not disappear.
- Fixed a bug where the damage of the 5th Epiphany on Combatant [Mika]'s "Whirlpool" Card was not increased by the "Unique Card Upgrade" Potential.
- Fixed a bug where a blank pop-up would temporarily appear when trying to purchase an item with insufficient Crystals.
- Fixed a bug where if the "Lock" function was used on the completion pop-up screen immediately after crafting Memory Fragments, the lock function would not be applied immediately.
- Fixed a bug where the synthesis/dismantle pop-up guide for materials would not appear when there were insufficient promotion materials.
- Fixed a bug where the game could not be progressed if the "Claim All" button for Achievements was tapped repeatedly.
- Fixed typos and other errors in some content text.
- Fixed a bug where Korean text was displayed on the Team Formation → Team Cards page.
- Fixed the line spacing of the "Claim Reward" text in the Codex Achievements.
- Fixed a bug where abnormal text might be displayed during Counseling at the Epione Center.
- Fixed a bug where [Normal Battle Area] was not displayed in the effect of the Zero System upgrade "[Rare Species] Appearance Rate Patch".
- Fixed a bug where the effect of the Zero System upgrade "[Credit] Acquisition Amount Patch" was incorrectly labeled as [Battle Area].
- Fixed a bug where the Codex penalties "Tyrant" and "Elite" were incorrectly labeled as "Battle Area".
- Fixed a bug where some Codex Achievements could not be completed.
- Fixed an incorrect description of the [Kirke's Authority] effect in the Zero System upgrade "[Encounter God's Agent] Protocol". Also fixed a bug where this effect was being applied to elite monsters.
- Fixed a bug where the screen would sometimes not refresh when selecting a project in the Ark City tutorial.
- Fixed a bug where some unlock pop-ups would not display correctly when selecting the Battle Mission unlock policy in the Ark City tutorial.
- Fixed a bug where an error would occur when moving to the lobby under specific circumstances while decorating Save Data.
- Fixed a bug where the HP reduction effect of the "@@{失調症}@@@" card did not activate.
- Fixed a bug where the text for the Epiphany effect: [At the start of the turn, inflict Agony 2 on all enemies] was displayed as Agony 1.
- Fixed a bug where the Attack, defense, and HP increase amounts for Rare species monsters were applied at a lower value.
- Fixed a bug where failure was not displayed on the stage information screen when a Basin of Hyperspace MIssion failed.
- Fixed a bug where the shape description of the Human Shadow was incorrect.
- Fixed a bug where it was displayed that loot could be obtained when escaping in Nightmare Mode, even though it could not be.
- Fixed a bug where the damage from "Chaos Bible" and "Forbidden Bible" was applied as normal damage instead of fixed damage.
- Fixed a bug where the damage increase of "The Bow That Shot the Sun" did not work correctly.
- Fixed a bug where the description for [Hugo]'s Ego Skill "Last Resort" was partially missing.
- Fixed a bug where the behavior of [Cassius]'s "Shuffle" Card was different from its description.
- Fixed a bug where using [Renoa]'s "Instant Judgment" Epiphany card did not increase the damage amount even when the "Instant Judgment" effect was stacked.
- Fixed a bug where the effects of some of [Owen]'s Epiphany cards were being judged as an Extra Attack.
- Fixed a bug where the skill descriptions for Partners [Kiara/Marin/Anteia] were partially insufficient.
- Fixed a bug where the description "lasts for 1 turn" was missing from the effect description of the Binding Knot in Partner [Scarlet]'s Ego Skill.
- Fixed a bug where the "Crit Damage" related option effect of Combatant [Kayron]'s 7th Potential node was not reflected correctly on the Status screen in some cases.
- Fixed a bug where the "Crit chance" increase option of Combatant [Rin]'s 7th Potential node was not applied correctly.
- Fixed so that even after the Trauma Code event ends, it can still be unlocked and progressed.
- Fixed a bug where the Ark City Research Facility level 45 learning node "Eternal Hourglass" was incorrectly labeled as "Supply Chain Circulation Enhancement Policy".
- Fixed a bug where the achievement effect of the Ark City Research Facility level 45 learning node "Eternal Hourglass" was incorrectly described.

Other Improvements and Changes

- UI/UX improved

- Improved so that basic Save Data cannot be favorited, locked, or mass-disassembled.

- When Affinity rewards can be received from a Combatant, a red notification mark will now only be displayed on the [Affinity Bonus Icon] and the [Combatant Details - Stats] tab.

- 3 new Fates with combat skills added

- Diligence: Each turn, when you defeat a monster for the first time, gain 1 AP and draw 1 Card.

- Enlightenment: Draw 1 Card each time you use an Ego Skill.

- Focus: At the start of the turn, if your current HP is less than 50% of your max HP, gain 1 AP.

- The names [Dark Mist Blade Art] and [Dark Mist Stance] in Combatant [Rin]'s Card descriptions have been unified to [Dark Mist Stance].
- The description of the persistent effect [Infinite Despair] held by the monster @@{セネクトゥス}@@@ has been changed.

→[Before] If the card is from the same Combatant as the previously used card, immediately use the Despair form.

→[After] If the card is from the same Combatant as the previously used card, immediately use a powerful Attack.

- Text displayed during Mental Breakdown recovery has been changed.

→[Before] Recover

→[After] Reconstructing Consciousness

- Epiphany guide text displayed on the area selection screen has been added.

→The number of Epiphany occurrences is proportional to the depth of Chaos and accumulates even outside of combat areas.

- Text displayed when selecting "Convert Owned Card → Common Card" in the Unidentified Area reward selection has been improved.

→[Before] No Combatant meets the Class restriction.

→[After] Please select a card of a Combatant that meets the Class restriction.

- Improved so that when a monster's damage increases during a battle lasting a certain number of turns, the details are displayed in the battle log.
- The content of the battle help "Monster (Subspecies)" has been changed.
- Some SD animations have been improved for Mental Breakdown and penalty occurrences.
- An action has been added where the Combatant transitions to a ready stance at the beginning of Combatant [Haru]'s Trauma Code.
- Animation effects have been added to the Mission > Mission/Battle Mission area.
- Animation effects have been added to Chaos > Chaos Manifestation/Codex.
- The modeling size of some monsters has been changed.
- The color of the card copy reward slot when defeating a Chaos boss has been changed to purple.
- Some text and rewards for Unidentified Area events have been changed.
- The appearance rate of cats in the [Garden Cafe] has been reduced.
- An explosion sound has been added for the situation where the key breaks in The Chaos Order [Ghoul Breeding Ground] event.
- The BGM will now automatically end when exiting an Unidentified Area.
- The BGM played during some main Mission has been changed.
- Pop-ups, animations, and sounds have been added when the next difficulty level is unlocked in Simulation play.
- Roman numerals (I-VI) have been added to the Memory Fragment icons and slots to make it easier to understand the equipment position for each slot.
- Friend search conditions have been changed.

→[Before] Search by friend's nickname

→[After] Search by friend's UID

- Some tutorials have been improved.

→Unnatural guidance in the Save Data tutorial has been improved.

→The Prism Module tutorial and Rescue tutorial will now be guided separately.

→The Partner tutorial has been partially improved.

→Skill node content has been added to the Ark City tutorial.

- The rules for [Reward Preview] on the event page have been improved.

→Items of a higher Grade will be displayed first.

→The number of rewards will no longer be displayed.

- Improved so that in the Combatant Details Partner tab and Partner details, the Partner's illustration can be changed to view either the card form or the full body illustration.
- Fixed an issue where some BGM was louder compared to other BGM.
- In Ark City - Policy, options have been added to additionally obtain Research Notes, Crystals, Universal Tactical Certificates, Universal Support Certificates, Potential Disks, and Units.
- The source of Research Notes has been added to the item description for Research Notes.
- The description has been improved to make it easier to identify the Ego Awakening target of a Memory Code.
- The acquisition level for the Puchi Sticker among Combatant Affinity rewards has been adjusted from level 20 to level 7.
- The difficulty of battles featuring Gloomy Prime and Gloomy Beast has been reduced.
- A description regarding contract cancellation has been added to the Arkhianon Supply purchase screen.
- A guide regarding reward collection when the supply period ends has been added to the Arkhianon Supply purchase screen.
- The achievement level for the "Reach a specific Affinity with any Combatant" MIssion in the Growth Guide has been lowered.
- Improved so that Cards with the [Ultimate] effect are used last in auto-battle.
- Improved so that a help button is also displayed on the Memory Fragment equipment screen.
- The Units consumed during Codex synthesis has been reduced.
- Improved so that when displaying probabilities, decimals are displayed up to the 5th decimal place.
- Normal/Hard difficulty has been added to Battle Mission Chapter 6.

Bug Fixes

- Fixed a bug where repeatedly tapping to add a friend would cause the pop-up content to not display correctly.
- Fixed a bug where an old illustration of Renoa was used when setting the ID Card in the account information.
- Fixed a bug where parts of the passive skill details for Partners [Eishlen], [Erica], and [Rachel] were not displayed correctly.
- Fixed a bug where a sound effect would play when attempting to Recharge Aether when Aether could not be recharged.
- Fixed a bug where the affiliation and birthday information in some Combatants' profiles were incorrectly listed.
- Fixed a bug where the description in Partner [Yvonne]'s profile was displayed differently from the intended design (@@{修道会}@@@ → @@{安息修道女会}@@@).
- Fixed a bug where the Codex penalty "Anxiety" was incorrectly listed as "Safe Zone" in the text.
- Fixed a bug where the Codex penalty "Disease" stages 1-4 were incorrectly listed as "HP" in the text.
- Fixed a bug where the frame rate would drop when the monster [Faerie Gremlin] appeared.
- Fixed a bug where the effect would not display when Combatant [Orlea] used her unique buff skill.
- Fixed a bug where in-game buff effects were displayed as recovery effects.
- Fixed a bug where the SD character's Mental Breakdown effect would temporarily disappear when the Mental Breakdown penalty "Madness" was triggered.
- Fixed a bug in Simulation where the battle would start with a debuff due to certain monster effects.
- Fixed a bug where the Potential effect "Dirge Bullet Effect Increase" for Combatant [Renoa] was displayed as "Basic Card Proficiency".
- Fixed a bug where if the damage increase effect of Combatant [Veronica]'s card [Sir Kowalski] was not used, the effect would remain permanently.
- Fixed a bug where using Partner [Lillian]'s Ego Skill would draw a non-Attack Card.
- Fixed a bug where the description of the Card [Combo] effect displayed "ally" instead of "another combatant".
- Fixed a bug where the Tactical Action card effect was applied only to the Combatant who used it, not the entire team.
- Fixed a bug where an error pop-up would appear when attacking with Combatant [Magna]'s card after she applied "Freeze" from her 2nd Ego Awakening.
- Fixed a bug where the damage increase when the equipment [Trumpet of Revelation] effect was activated was applied with a different value than the actual one.
- Fixed a bug where the weakness attack effect from an Epiphany was being redundantly applied to a card that already had a weakness effect.
- Fixed a typo in the equipment effect text for [Beating Egg]. (HP→Max HP)
- Fixed a bug where only one anticipated action icon was displayed even though the monster's pattern had two or more effects.
- Fixed a bug where the monster's color would change and its effect would disappear upon encountering the monster [Faerie Lava].
- Fixed a bug where the Potential node "Dark Blade" for Combatant [Rei] was displayed as "Dark Sword".
- Fixed a bug where the [Escape Preparation] effect in the monster's pattern description was displayed as "Escape".
- Fixed the text of the equipment effect displayed by [Gloomy Prime's Eye] (At the start of battle, Shield gain +20%→40%).
- Fixed a bug in Combatant [Haru]'s Trauma Code event battle where it was possible to enter event battle 1 without going through the intro.
- Fixed a bug in Combatant [Haru]'s Trauma Code Battle Mission #B01 where the attribute of the appearing monster did not match the recommended attribute.
- Fixed a bug in the Unidentified Area "Remains of Failure" where the game would become unplayable when converting Cards.
- Fixed a bug in the Chaos Unidentified Area where tapping on a Combatant's details during the conversation-ending animation would make the game unplayable.
- Fixed a bug where if a turn ended with a Shield and Combatant [Mika]'s 2nd Ego Awakening effect activated, her HP would increase beyond her max HP.
- Fixed a bug where when obtaining materials needed for a Combatant's promotion through synthesis, the owned amount was not immediately reflected on the Combatant promotion screen.
- Fixed a bug where the Divine Epiphany mark might not be displayed on the Save Data.
- Fixed a bug in Ark City > Garden Cafe where if there was an order record, you could not order again until you logged back in.
- Fixed a bug where the red pop-up on the help screen would not disappear.
- Fixed a bug where the damage of the 5th Epiphany on Combatant [Mika]'s "Whirlpool" Card was not increased by the "Unique Card Upgrade" Potential.
- Fixed a bug where a blank pop-up would temporarily appear when trying to purchase an item with insufficient Crystals.
- Fixed a bug where if the "Lock" function was used on the completion pop-up screen immediately after crafting Memory Fragments, the lock function would not be applied immediately.
- Fixed a bug where the synthesis/dismantle pop-up guide for materials would not appear when there were insufficient promotion materials.
- Fixed a bug where the game could not be progressed if the "Claim All" button for Achievements was tapped repeatedly.
- Fixed typos and other errors in some content text.
- Fixed a bug where Korean text was displayed on the Team Formation → Team Cards page.
- Fixed the line spacing of the "Claim Reward" text in the Codex Achievements.
- Fixed a bug where abnormal text might be displayed during Counseling at the Epione Center.
- Fixed a bug where [Normal Battle Area] was not displayed in the effect of the Zero System upgrade "[Rare Species] Appearance Rate Patch".
- Fixed a bug where the effect of the Zero System upgrade "[Credit] Acquisition Amount Patch" was incorrectly labeled as [Battle Area].
- Fixed a bug where the Codex penalties "Tyrant" and "Elite" were incorrectly labeled as "Battle Area".
- Fixed a bug where some Codex Achievements could not be completed.
- Fixed an incorrect description of the [Kirke's Authority] effect in the Zero System upgrade "[Encounter God's Agent] Protocol". Also fixed a bug where this effect was being applied to elite monsters.
- Fixed a bug where the screen would sometimes not refresh when selecting a project in the Ark City tutorial.
- Fixed a bug where some unlock pop-ups would not display correctly when selecting the Battle Mission unlock policy in the Ark City tutorial.
- Fixed a bug where an error would occur when moving to the lobby under specific circumstances while decorating Save Data.
- Fixed a bug where the HP reduction effect of the "@@{失調症}@@@" card did not activate.
- Fixed a bug where the text for the Epiphany effect: [At the start of the turn, inflict Agony 2 on all enemies] was displayed as Agony 1.
- Fixed a bug where the Attack, defense, and HP increase amounts for Rare species monsters were applied at a lower value.
- Fixed a bug where failure was not displayed on the stage information screen when a Basin of Hyperspace MIssion failed.
- Fixed a bug where the shape description of the Human Shadow was incorrect.
- Fixed a bug where it was displayed that loot could be obtained when escaping in Nightmare Mode, even though it could not be.
- Fixed a bug where the damage from "Chaos Bible" and "Forbidden Bible" was applied as normal damage instead of fixed damage.
- Fixed a bug where the damage increase of "The Bow That Shot the Sun" did not work correctly.
- Fixed a bug where the description for [Hugo]'s Ego Skill "Last Resort" was partially missing.
- Fixed a bug where the behavior of [Cassius]'s "Shuffle" Card was different from its description.
- Fixed a bug where using [Renoa]'s "Instant Judgment" Epiphany card did not increase the damage amount even when the "Instant Judgment" effect was stacked.
- Fixed a bug where the effects of some of [Owen]'s Epiphany cards were being judged as an Extra Attack.
- Fixed a bug where the skill descriptions for Partners [Kiara/Marin/Anteia] were partially insufficient.
- Fixed a bug where the description "lasts for 1 turn" was missing from the effect description of the Binding Knot in Partner [Scarlet]'s Ego Skill.
- Fixed a bug where the "Crit Damage" related option effect of Combatant [Kayron]'s 7th Potential node was not reflected correctly on the Status screen in some cases.
- Fixed a bug where the "Crit chance" increase option of Combatant [Rin]'s 7th Potential node was not applied correctly.
- Fixed so that even after the Trauma Code event ends, it can still be unlocked and progressed.
- Fixed a bug where the Ark City Research Facility level 45 learning node "Eternal Hourglass" was incorrectly labeled as "Supply Chain Circulation Enhancement Policy".
- Fixed a bug where the achievement effect of the Ark City Research Facility level 45 learning node "Eternal Hourglass" was incorrectly described.

CZN Maintenance & Patch Notice

January 16 Temporary Maintenance

Schedule

February 4, 2026 01:00 – 06:00 UTC

Update Details

Nine & Alsea Rescue Rate Up
Galactic Disaster Season 2
Codex Improvements

Past Maintenance Updates

Past Maintenance Updates and Patch Notes

January 16 Temporary Maintenance

Schedule

January 21, 2026 01:00 — 05:00 UTC

Update Details

[New Content]

Spiral Tower of Screams expansion up to Floor 75
Spiral Tower of Screams weekly entry limit removal
New Codex Event - Back to the Codex Added : Progress through the Codex each week and earn rewards based on your progression milestones.

1) Schedule: 01/21/2026 after maintenance – 02/08/2026 17:59 UTC

Round 1: 01/21/2026 after maintenance – 01/25/2026 17:59 UTC

Round 2: 01/25/2026 18:00 – 02/01/2026 17:59 UTC

Round 3: 02/01/2026 18:00 – 02/08/2026 17:59 UTC

* Rewards and progression reset every Sunday at 18:00 (UTC).

2) Rewards

Codex Level	Reward Item	Quantity
80	Rescue Anchor	2
90	Signal Amplification Anchor	2
105	Prism Lens	3
120	Traces of Memory	50

[Improvements]

Codex will no longer be lost when exiting or being defeated after entering through Codex > Waypoint.
A confirmation popup will be displayed when merging Codices at Level 81 or higher.
Clearing a higher difficulty in Codex Record will automatically complete the lower difficulties.

[Error Fixes]

An issue where an error message appears if [Next Difficulty Level] is selected in Simulation – Challenge when there is insufficient Aether.
An issue where text is not displayed correctly in Help > Aboard The Ark > Spiral Tower of Screams
An issue where Epiphany Card description text is incorrectly displayed for Amir > Full Metal Hurricane
An issue where Epiphany Card description text is incorrectly displayed for Kayron > Black Hole

January 16 Patch Notice

Schedule

January 16, 2026 6:00 — 6:30 UTC

Update Details

An issue where Korean text is displayed on the “Auto Register” button on the Partner Dismantling screen, and the filter does not apply when selecting a rarity.
An issue where an error code appears under certain conditions during combat
An issue where, while the “Voracity” effect is active, using Combatant Narja’s “Bottomless Hunger” 4th Epiphany Card grants a Shield instead of attacking.
An issue where the Defense-based damage increase Distortion Effect in the Spiral Tower of Screams is applied only to card damage.
An issue where an error message is displayed when selecting “Next Difficulty Level” after all challenge attempts have been used in the Simulation.
An issue where Nightmare Mode is activated under certain conditions when forming a team with Combatants who have not experienced Deep Trauma, intermittently preventing progression.
An issue where the red dot indicator does not intermittently appear even when new mail is available in the mailbox, and newly received mail is not immediately refreshed in certain situations.

January 9 Patch Notice

Schedule

January 9, 2026 3:00 — 3:30 UTC

Update Details

An issue where intermittent connection delays occur while playing the Great Rift.

January 7 Patch Notice

Schedule

January 7, 2026 10:00 — 10:30 UTC

Update Details

Server Stability

January 5 Patch Notice

Schedule

January 5, 2026 07:00 — 07:30 UTC

Update Details

An issue where some cards activated by Sereniel’s [Pale Shooting Star] card effect do not function correctly.
[Homing Laser L] is exhausted regardless of its remaining Exhaust count.
Epiphany effect of [Homing Laser] sometimes fails to trigger.
An issue where Sands of Time is used abnormally under certain conditions

January 2 Patch Notice

Schedule

January 2, 2026 08:30 — 09:00 UTC

Update Details

An issue where the Combatant > Ego Manifestation screen does not display properly on certain devices.
An issue where an error code appears under certain conditions during combat with [Slaughter], preventing further progress.
An intermittent issue where an error code appears in areas containing monsters with Taunt or the Elemental Phoenix, preventing further progress.
An issue where the reward count for Overdrive Events is reduced incorrectly under certain conditions

December 30 Patch Notice

Schedule

December 30, 2025 5:00 — 5:30 UTC

Update Details

An issue where the “Attunement” effect does not activate on cards drawn by Sereniel’s “Awakening Memory” effect
An issue where, after treating a Combatant in the Deep Trauma state and reconnecting, Save Data is saved in a corrupted state

December 26 Patch Notice

Schedule

December 26, 2025 13:00 — 13:30 UTC

Update Details

An issue where, during auto-combat, an error message is intermittently displayed when a Combatant is attacked by a monster and becomes Stunned
An issue where, in Chaos, the game cannot proceed after acquiring the “Leadership” Fate, transforming a card, and then escaping
An issue where, in Chaos, the game cannot proceed after enlarging the minimap and then escaping
An issue where, during the Divine Epiphany animation, card information intermittently fail to display when tapping card details
An issue where, after treating a Combatant in the Deep Trauma state and clearing Chaos, Save Data is saved in a corrupted state
An issue where, when equipping the item “Time Regulator,” a warning message stating that no Epiphany cards are available is intermittently displayed
An issue where, under certain conditions, the visual afterimage of Sereniel’s Homing Laser card remains in hand despite the card being unusable
An issue where, within the list of obtainable rewards, the label “First” is displayed in Korean

December 24 Patch Notice

Schedule

December 24, 2025 17:30 — 18:00 UTC

Update Details

Error Fixes
ㄴAn issue where the preview of the Affinity bonus does not display correctly when increasing the quantity of gifts in Combatant > Affinity > Send Gift
ㄴAn issue where the Affinity level of Combatants not assigned to the Ark City Excursion Area is displayed incorrectly, and the displayed values and status icons overlap when sending gifts to those Combatants
ㄴAn issue where an outdated version of Narja’s illustration appears during the story
ㄴAn issue where Sereniel’s Plasma Missile continues to be used until the enemy’s Tenacity is depleted under certain conditions
ㄴAn issue where the red dot indicator on the event icon at the top of the lobby does not disappear
ㄴAn issue where players are unable to proceed to the next step in certain situations after checking the memoir in Event > Memoirs of the Ark Protection Bureau Chief
ㄴAn issue where the [Go to Rescue] button in the Sereniel popup cannot be used intermittently upon first login after tahe 12/24 maintenance.
ㄴAn issue where the fast-forward button remains enabled when entering combat while the fast-forward feature is active in the Unidentified Area
ㄴAn issue where a specific error code occurs during Chaos content, causing the game to become unplayable → Error Code: invalid_equiped_codex_entity:0
ㄴAn issue where equipping additional Mythic Equipment to a Combatant already equipped with Mythic Equipment triggers an error code and prevents further progression
ㄴAn issue where drawable cards are incorrectly displayed as unusable when Sereniel’s Ego Manifestation > Awakening Memory effect is triggered with a full hand.
ㄴAn issue where a tutorial popup for an unlocked story appears upon entering the Great Rift, preventing further progression
ㄴ An issue where equipment bags that were triggered in certain situations are triggered abnormally.

December 17 Patch Notice

Schedule

December 17, 2025 13:30 — 14:00 UTC

Update Details

Error Fixes
ㄴ An issue where the weekly cumulative score is not updated when a player fails to record a score higher than their previous highest score in the Great Rift.
ㄴ An issue where, for accounts affected by the reset after the December 17 temporary maintenance, rankings are only updated when a score higher than the pre-reset score is achieved.
Please note that gameplay records between the end of the December 17 temporary maintenance and the application of the non-maintenance patch will not be saved. For accurate record tracking, we recommend playing after the non-maintenance patch is applied.
This issue only applies to Protos whose accounts were subject to the reset measures.

December 17 Temporary Maintenance

Schedule

December 17, 2025 05:30 – 08:00 UTC

Update Details

Improved tooltips regarding the cost reduction duration for Combatant Chizuru's Bound At Dusk 2nd and 5th Epiphany cards
Laboratory 0 > Demise Gate Unidentified Area Appearance Timing & Choice Update
→ Appearance Timing
ㆍBefore: Late phase of the Chaos Interior
ㆍAfter: Early phase of the Chaos Interior
→ “Ask about the elevator” Choice Update
ㆍBefore: None (informational option
ㆍAfter: Trigger Nihilum Epiphany to 1 random card
Follow-up measures for the Chaos progression reset issue
Fixed an issue where the Chaos progression reset when proceeding with the story after using Temporary Return during Chaos

December 12 Patch Notice

Schedule

December 12, 2025 05:30 — 06:00 UTC

Update Details

Error Fixes
┗ An issue where the Chaos progression resets after using Temporary Return and then entering the Basin of Hyperspace
┗ An issue where, when a turn begins with Chizuru’s 3rd Epiphany effect from Bound At Dusk, the game becomes unable to proceed after a card selection skill is triggered

December 10 Patch Notice

Schedule

December 10, 2025 03:30 — 04:00 UTC;

Update Details

Error Fixes
┗ An issue where the game crashes after "An unknown error has occurred." pop-up appears under certain circumstances.

December 8 Patch Notice

Schedule

December 8, 2025 16:00 — 16:30 UTC

Update Details

An issue where progression may become impossible after a stage ends under certain conditions.

November 25 Patch Notice

Schedule

November 25, 2025 03:30 – 04:00 03:50 UTC

Update Details

Important mail can be claimed even if your mailbox exceeds 100 stored messages.
Corrected an illustration in the event, "The Month Together Beneath the Starshine".
Fixed an issue where, after acquiring the Fate “Subjugation”, using the Protos Skill “Undo” at an Elite Monster Spot prevented guaranteed Monster Card acquisition.
Partner Lillian illustration adjustment.

November 15 Patch Notice

Schedule

November 15, 2025 7:00 – 8:00 UTC

Maintenance Compensation

Compensation: Crystal x200, Tear of God x2, Unit x300,000 (Delivered to your in-game mailbox, Storage Period: 7 Days)

Claim Period: November 15 after the maintenance – November 16 14:59 UTC

Update Details

■ Zero System - Upgrade effects now apply to all Chaos.

Affected Content: [Chaos], [Zero System], [Galactic Disaster - Chaos]

■ Galactic Disaster - The difficulty of Laboratory 0 Chaos will be further expanded.

Difficulty Levels 9, 10, and 11 will be added.
The Chaos Interior Boss for Difficulty Levels 9–11 will appear as a Rare Species.

■ [Chaos Orbs] will be added to the rewards in the "Laboratory 0" Chaos.

Starting from Difficulty Level 2, Chaos Orbs are additionally obtained upon defeating the boss.
Upon Boss Defeat.

■ Normal Rare Species will now appear in the "Laboratory 0" Chaos.

■ Penalty rules in the "Laboratory 0" Chaos will be updated.

Starting from Difficulty Level 5, 1–3 penalties will be applied at random.
The penalty list will match the list used in [Zero System - Codex].

■ Some Unidentified Area choice rewards in the "Laboratory 0" Chaos will be improved.

Emergency Broadcast System: "Turn the power off" option

Before: Decrease Stress by 3
After: 1 random combatant gains Epiphany

Failed Replica 2: "Comfort him" option

Before: Increase max Health by 20%
After: Trigger Nihilum Epiphany to 1 selected card

Heart of the Ore Vein 1: "Analyze the ore vein" option

Before: Convert 1 selected common card into a random Legendary Neutral Card
After: Increase Stress by 5, trigger Nihilum Epiphany to 1 random card

Heart of the Ore Vein 1: "Watch the end" option

Before: Decrease Stress by 9
After: Select and duplicate 1 card from 3 random rare or higher cards.

■ Unidentified Area choice rewards encountered in the Dimensional Tunnel of the "Laboratory 0" Chaos will be improved.

1. Stagnant Time: "Project 'Fight' onto consciousness" option

Before: Apply 1 [Memory Encroachment] debuff, decrease Stress by 6
After: Apply 1 [Memory Encroachment] debuff, 1 selected combatant gains Epiphany

2. "Project 'Peace' onto consciousness" option

Before: Decrease Stress by 3
After: 1 random combatant gains Epiphany

3. Records of a Toast: Interactor Reward 2

Before: 1 random combatant gains Epiphany
After: Trigger Nihilum Epiphany to 1 random card

■ Galactic Disaster Season Equipment (5 types) and cards (3 types) will be improved.

- Equipment Adjustments (5 types)

1. Nerve Hacking Module

Before: When an ally uses a Forbidden Card, +20% Damage Amount, +20% Shield gain for 1 turn (2 times per turn)
After: When an ally uses a Forbidden Card, +20% Damage Amount, +20% Shield gain (2 times per battle)

2. Incomplete Carapace

Before: At the end of the turn, if you have 5 or more Cards in hand, 140% Fixed Shield
After: At the end of the turn, if you have 3 or more Cards in hand, 140% Fixed Shield 3)

3. Unconfirmed Recovery Ampule

Before: When an ally uses a Forbidden Card, recover 3% of max Health
After: When an ally uses a Forbidden Card, recover 3% of max Health, 80% Fixed Shield

4. W-52 "Dopamine Injector"

Before: When Drawn with ability, +20% Damage Amount for 1 turn (2 times per turn)
After: When Drawn with ability, increase Damage Amount by 20% for 1 turn (2 times per turn)

5. Mutant Predator Spike

Before: When there are 6 or more cards in hand, increase Damage Amount by 30%
After: When there are 4 or more cards in hand, increase Damage Amount by 30%

- Card Adjustments (3 types)

1. Self-Generating Experiment

Before: Cost 2, 1 time per turn When there are 6 or more cards in hand, the cost of 1 random card in hand changes to 0 for 1 turn
After: Cost 2, [Lead] 1 time per turn When there are 6 or more cards in hand, the cost of 1 random card in hand changes to 0 for 1 turn

2. Forced Learning Apparatus

Before: Cost 2, 1 time per turn Upon using 4 cards, Draw 1
After: Cost 2, [Lead] 1 time per turn Upon using 4 cards, Draw 1

3. Forbidden Algorithm

Before: [Exhaust] Create 1 random Forbidden Card in hand
After: [Exhaust / Lead] Create 1 random Forbidden Card in hand

■ Some Memory Fragment Set options will be improved.

1. Spark of Passion 4-Set

Before: When Upgrade Cards are used, increase Damage Amount of the next 5 Passion Cards used by 15%
After: When Upgrade Cards are used, increase Damage Amount of the next 5 Passion Cards used by 20%

2. Offering of the Void 4-Set

Before: When a card is Exhausted, increase Damage Amount of Void Cards by 15% for 1 turn
After: When a card is Exhausted, increase Damage Amount of Void Cards by 20% for 1 turn

3. Instinctual Growth 4-Set

Before: When there are 4 or more cards in hand, increase Damage Amount of Instinct Cards by 15%
After: When there are 4 or more cards in hand, increase Damage Amount of Instinct Cards by 20%

4. Bullet of Order 4-Set

Before: When Attack Cards are used, increase Damage Amount of Order Cards by 5% for 1 turn (max 3 times)
After: When Attack Cards are used, increase Damage Amount of Order Cards by 10% for 1 turn (max 2 times)

■ An event in the Dimensional Tunnel of the "Laboratory 0" Chaos that offered lower rewards than the other areas at its difficulty has been removed.

■ The acquisition probability of Forbidden Cards in the Dimensional Tunnel Chaos has been increased.

■ Error Fixes

An issue where the Event > Guardian of the Ark > Event appeared disabled in the event list despite not being completed will be fixed.
An issue where intermittent errors occurred in Laboratory 0 Chaos will be fixed.
An issue where each level of the Chaos Clear achievements in Galactic Disaster Challenge Mission was displayed as 1 will be fixed.
An issue where defeating the Cold Matron in the "Laboratory 0" Chaos with continuous strikes caused the game to become unplayable will be fixed.
An issue where Eloise's and Bria's passive effects related to creating/obtaining "Status Ailment" cards did not apply correctly when Kayron converted cards into Futility cards through Oath of Vanity will be fixed.
An issue where the Void effect of the Chapter 2 boss in Galactic Disaster Chaos behaved differently from its tooltip will be fixed.
An issue where the game could freeze under certain conditions when performing a Zero Upgrade reset will be fixed.

November 14 Patch Notice

Patch Schedule

November 14, 2025 3:00 – 3:30 UTC

Data Update Details

Updated the reward tooltip for the Unidentified Area [Heart of the Ore Vein] (Rare) option “Resist temptation”.
ㄴ Before: Forcefully obtain 2 Curse cards [Schizophrenia], copy 1 selected card.
ㄴ After: Forcefully obtain 2 Curse cards [Schizophrenia], copy 1 selected card (includes Forbidden Cards).
An occasional issue where cards may become unusable after recovering from Mental Breakdown, showing the pop-up message “Card use conditions not met”.
An issue where Monster Cards are not dropped after defeating the newly added Elite monsters in Galactic Disaster.
An issue where the game temporarily freezes if another card is used during an Absorb animation.
An issue where Extra Damage increase effect is not applied to Beryl’s Opening Found 5th Epiphany effect.
An issue where Chaos Manifestation could not proceed under certain conditions after temporarily returning from Chaos.
An issue where Lucas’s name was displayed as Renoa during Yuki’s Virtual Tactical Simulation.
An issue where Yuki’s SD illustration was displayed abnormally under certain conditions.
An issue where the red dot notification remains visible even after claiming rewards from Event > Galactic News Network (Newly added).

November 12 Patch Notice

Schedule

November 12, 2025 15:00 – 15:30 UTC

Data Update Details

An issue where the game may freeze when proceeding with the “Promotion Mission Tutorial (Level 10 Achievement Tutorial)” added during the 11/12 maintenance after reaching level 10.
An issue where the red dot notification in Help does not disappear
An issue where, in Virtual Simulation Battle > Start Trial button, rapidly tapping it may prevent progression
An issue where % increase descriptions in Westmacott's additional effect tooltips did not match the actual in-game effects.
An issue where the close button does not function after checking the details of a card with the Epiphany effect in the Save Data details menu, preventing further gameplay
An issue where Combatant Beryl's attack applies only to a single target under certain conditions
An issue where Beryl’s 5th Epiphany effect of the Opening Found (When Retain owned cards, Extra Attack to random enemies) does not activate starting from Wave 2
An issue where the the attendance event appears in the background during the tutorial
An issue where the previously obtained “Haru: Trauma Code” sticker appears as unclaimed after the 11/12 update.
→ After reconnecting following the hotfix, the sticker will appear correctly in your owned sticker list.
An issue where the “+” symbol is missing from the detailed descriptions of the accessories Verdant Night and Verdant Day.
An issue where "An unknown error" pop-up appears in the Laboratory 0.
An issue where the battle cannot proceed when using Nia’s "Mute Accent" 4th Epiphany under certain conditions.
An issue where text displays abnormally in Chapter 1 Episode 4 of the Galactic Disaster story.
An Issue where some Protos were unable to claim certain mail rewards.
→ Occurred only for Protos with negative currency balances.

November 12 Update Maintenance

Schedule

November 12, 2025 01:00 – 06:00 UTC

Data Update Details

Galactic Disaster Season 1: The Forbidden Catalyst Update
New Combatant Yuki and Partner Westmacott rate-up now underway

November 4 Temporary Maintenance

Schedule

November 5, 2025 15:00 – 15:40 UTC

Maintenance Compensation

200 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: After maintenance on November 5 until November 6, 2025 11:59 PM

Maintenance Details

Fixed bugs found in the game.
Fixed an issue where Save Data is applied abnormally.

November 1 Temporary Maintenance

Schedule

November 1, 2025 08:40 – 09:10 UTC

Maintenance Extension Compensation

200 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: After maintenance on November 1 until November 2, 2025 11:59 PM

Maintenance Details

In-game error fixes.
An issue has been identified where, after completing Trauma Code, star rewards could be obtained multiple times under certain circumstances.

October 30 Patch Notice

Schedule

October 30, 2025 6:00 – 6:30 6:51 UTC

Patch Details

Enhanced the description text for Normal Combatant Rescue Merit Rewards.
Enhanced the description text for the first-purchase benefits of items under [Shop] - [Purchase Crystals].
Fixed an issue where Foretold Ruin did not appear when performing a level 5 merge in [Codex].
Fixed an issue where Stress values gained during Invasion Battles were applied abnormally.
Fixed an issue where using a Breakdown Card allowed players to preview in advance whether they could overcome the breakdown.
An issue where "Win the battle within N turns" in Basin of Hyperspace cannot be completed occasionally.
An issue where some of Renoa's Ego Manifestation Lv. 2 effects are not applied properly.
Fixed an issue where extra attacks did not trigger after the turn ended when multiple "Dirge Bullet: Finale" cards were present.
Fixed an issue where using a Breakdown Card allowed players to preview in advance whether they could overcome the breakdown.

October 29 Patch Notice

Schedule

October 29, 2025 6:00 – 6:30 UTC

Patch Details

Removed the 24-hour grace period previously applied to account deletion.
→ After the patch, account deletion will take effect immediately without a grace period.

October 28 Patch Notice

Schedule

October 28, 2025 15:25 UTC

Patch Details

Fixed an issue where multiple Epiphany cards could be obtained at the start of a Chaos run, after exiting the previous run abnormally.
October 24 Patch Notice

Schedule October 24, 2025 05:00 – 05:10 UTC
Patch Details
- An issue in the game is fixed (Korean text adjustments).
Compensation Distribution
- Reward: 100 Crystals *Delivered to your in-game mailbox
- Storage Period: 7 Days
- Claim Period: October 24, 2025 2:30 PM – October 25, 2025 11:59 PM

October 23 Temporary Maintenance

Schedule

October 23, 2025 17:00 – 21:00 UTC

Maintenance Extension Compensation

160 Crystals (Distributed via mailbox, Storage Period: 7 days)
Claim Period: From the end of maintenance on October 24 until October 25 23:59

Maintenance Details

Payment error issue response for missing items follow-up measures.
Fixed an issue where Mental Breakdown animation does not appear in certain battle situations.
Fixed an issue where monster animations may occasionally not display correctly when using Veronica’s EP skill.
Fixed an issue where the timer in “Policy Office: Policy Recruitment in progress” does not display correctly.
Fixed an issue where when using Haru’s multiple Anchor Shots, usage count within the card does not display.
Fixed an issue where the amount of Aether does not appear correctly in the Chaos Loot popup after clearing Chaos Manifestation.
Fixed an issue where the N badge from the Trauma Code banner remains visible even after checking the content.
Fixed an issue where in Unidentified Area, an error message may appear when acquiring equipment already owned.
Deleting penalty where the player loses Save Data when escaping Nightmare Mode

October 22 Patch Notice

Schedule

October 22, 2025 17:40 – 18:30 (UTC)

Patch Details

Fixed a bug where the game would not progress when reconnecting to the corresponding chapter after clearing the Tutorial → [Eye of the Storm].
PC Client: Fixed a bug that caused the game to freeze when quickly and repeatedly selecting "Claim All" for Achievement rewards.
Fixed some display issues.
Changed some of the blocked word settings.
Fixed a bug where Partner images were not displaying correctly on some devices.
Added an example to the informational text within the Rescue rates to better explain the Rescue system.
Fixed a bug where Haru's Anchor Shot would not be used under certain conditions during auto-battle.
Save Data Decoration: Fixed an issue where "Favorite Customization" settings appeared to have been reset.
Fixed an issue where the game would not progress if an enemy was defeated with an Extra Attack to end the battle in a Battle Mission.
Fixed an issue where the game could not progress after a battle failure when using a trial unit formation.
Alkianon Supply: Fixed an issue where the number of owned Crystals was not immediately reflected on the settings screen after purchasing Zero Data.

Chaos Zero Nightmare Related Guides

Galactic Disaster Season

Galactic Disaster	The Great Rift
Nebula Distortion	Memory Encroachment

Beginner Tips

Character Enhancement Guides

Character Enhancement Guide	How to Set and Upgrade Partner
How to Upgrade Potential	How to Use Save Data
How to Upgrade Manifest Ego	Memory Fragments
Prism Modules	Daily Reset Time
Zero System	Counseling Guide
Omega Codes	Redeem Codes
Zero System Guide	Basin of Hyperspace Guide

Early Game Guide	Daily Tasks
Recommended Gacha Banner	Ark City Guide
Card Epiphany Activation	How to Use Ego Skill
Stress Management	Weakness Attribute Guide
Safe Zone Guide	How to Restore Aether
How to Raise Captain Grade	ID Card Settings
Battle Pass (Arkhianon Supply) Guide & Should You Buy?	Simulation Guide
Twin Star's Shadow Guide	How to Download & Sync Data
Deep Trauma Guide	Latest Updates
Intermediate Captain Promotion Guide	Unigram Guide

Product	Purchase Limit	Price
Omega Code	1 time	6,000
Rescue Anchor	5 times	1,500
Prism Lens	5 times	1,200
Undetermined Ego Crystal	1 time	4,000
Shards of Condemnation	5 times	200
Multidimensional Alignment Material	1 time	4,000
Void Growth Stone	20 times	60
Psionic Manual (Intermediate)	20 times	20
Psionic Certificate (Intermediate)	20 times	20
Order Growth Stone (Advanced)	20 times	60
Traces of Memory	200 times	30
Core of Memory	20 times	200
Particles of Memory	200 times	10
Exquisite Slice of Cake	5 times	400
Sweet Choconilla	10 times	200
Advanced Battle Memory	200 times	50
Premium Support Data	100 times	50