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.
Galactic Disaster Season 2: Seed of Karmic Fire Ends
The Galactic Disaster: Seed of Karmic Fire season is ending, with its story moving to Act 3 while retaining previous progress. Burning Life Chaos will be added to the Codex, some seasonal currencies will be removed, and related rewards and medals will be preserved in the account profile.
The Diana Rate Up Rescue runs from Apr 8 to May 5, 2026, introducing the new Combatant Diana, her Prism Module, and Messenger Story, while Rita will be added to the normal Rescue pool.
The Diana Rate Up Rescue runs from Apr 8 to May 5, 2026, introducing the new Combatant Diana, her Prism Module, and Messenger Story, while Rita will be added to the norm
New Content Full-Scale Offensive Update
Schedule
04/08/2026 – 05/27/2026
Full-Scale Offensive lets players challenge three previously encountered Great Rift bosses using separate teams, with each battle limited to 10 turns. Scores are based on damage and bonus objectives, and progress or team participation can be reset via full or individual resets.
During the preview period, players can merge the “A Song Rippling Through the Stars [Preview]” option in the Zero System to earn Save Data for the seasonal content. Certain Common Cards, Fates, and Equipment will be restricted, with limitations remaining even after the season ends.
A Display Case will be added to the profile screen, allowing players to view Galactic Medals and achievement records earned after the season ends.
Partner System Improvements
The overall system for 5★ Partners will be improved, and their passive effects will be enhanced.
When a Combatant receives [Increase Attack/Defense/HP by n%] effects from Potentials, Memory Fragments or set bonuses, the increase will be applied based on the total combined stats of the Combatant and the currently equipped Partner.
To provide a consistent combat experience, monster stats across all level ranges will be adjusted.
The base stats of 5★ Partners obtainable through rescue, as well as the stat gains from leveling up and promotion, will be increased.
A feature has been added to allow battles to be played using keybinds in the PC client.
Available shortcuts can be checked in the [Keybinds] tab within the [Settings] menu.
When the [Show Keybinds] option is turned ON, available shortcuts will be displayed on the battle screen.* The [Keybinds] feature is only available in the PC client.
Screenshot Sharing Feature Added
A screenshot social media sharing feature will be added. You can save screenshots to your device or share them on social media through the share button.
Supported content for the share button
QoL Improvements
The requirements for some Growth Guide missions will be reduced to ease difficulty. Affected Chapters: 3, 4, 5, 6, 7, 8, 9
Multiple selections are now available when charging Aether with Crystals. Aether can now be charged up to 999, even beyond the maximum Aether cap (240).
A minimap scroll feature will be added to Chaos exploration.
The full-screen map now opens and closes faster.
A new option will be added in Settings to enable or disable frequently occurring pop-ups.
Tapping a Unigram notification will now open Unigram.
The Distortion Adaptation toggle will now remain as set by the user even after restarting the client.
Mouse scroll can now be used for navigation in scroll-based UI.In full-screen mode of the Combatant & Partner profile menu, you can zoom in/out using mouse scroll.In full-screen mode of the Record of a Moment tab in the Combatant profile menu, you can zoom in/out using mouse scroll.
Animation speed-up will now apply to the following: Spot entry animations, Dice animation displayed when using a [Fear] card during Senectus battles
The Auto-Combat icon will be updated.
Other
An [Other] tab will be added to the Card Archive. Information on Status Ailment cards and Curse cards can be viewed from the [Other] tab.
A new Potential node (5-2) will be added for all Combatants.Effect: Increases the chance for a Divine Epiphany to appear by 25%.
You will be able to view background information for each content using the Content Introduction button. Target: Combat Training, Basin of Hyperspace, Spiral Tower of Screams, Epione Center, Zero System, Chaos Manifestation, Full-Scale Offensive. You can access it via the Content Introduction button at the top right of each content’s main page.
Additional obtained items will now be displayed in the 4★ or higher item acquisition animation when observing a Prism Module.
When the remaining duration of the Coronomicon monthly package is 1 day or less, the remaining days will be highlighted.
Partners assigned to Combatants will now be displayed as “Assigned” instead of “Equipped.”
A monster HP bar will be added to the touch area that opens monster pop-ups.
Button transparency for Safe Zones and Unidentified Areas will be reduced to improve visibility.
A guide message will be added on how to check equipped equipment details when selecting Rare or Legendary Equipment.
The Normal Partner Rescue screen design will be updated to clearly distinguish it from Combatant Rescue.
A preset button will be added to the Combatant list screen.
Recommended content levels will be adjusted not to exceed 60, and monster levels will be viewable on certain screens.
The size of numbers displayed on Breakdown cards will be increased for better readability.
When selecting Equipment, the corresponding equipment slot on the Combatant will be highlighted.
If a Promotion Mission is included in Battle Missions, a guide indicator will be displayed when not on the Promotion Mission screen.
A Dismantle button will be added to the Partner swap screen.
The display of a Partner’s affiliated Combatant will be enlarged for better visibility.
The Partner passive application status will be more clearly distinguished in the Partner Formation screen and in-game.
The color of the pass icon on the main screen will be adjusted for clearer distinction.
The required currency for restoration will be viewable on the Card Motion Restoration page.
Motion previews will be available when restoring card motions.
A button will be added to the Team Formation screen to swap the positions of two teams.
Skip buttons will be added to the Starshine Diner and Garden Café coffee animations.
Action Counts will be viewable in the monster status popup.
Visibility of Epiphany indicators in the hand and deck will be improved.
Prism indicators for 5★ characters will be more visible.
Clicking the Move to Unlock Condition button for Battle Missions will move you to the appropriate mission node based on your progress.
The display method of character-specific resources will be improved. In the Buffs tab, items will be sorted by priority, and icons will be standardized to match the orange icon style. In the Battle HUD, they will be displayed in separate areas similar to trigger Equipment.
Emphasis effects will be added to buff icons of certain boss monsters. Chaos Order, Soul Collector, Diallos, Judas, Seraphion, Achurus, Viadeus, Invader, Bercula, Formica, Nihilum, Wailing Prodigal, Sweet Dream, Family Head, Sekred, Elemental Spirit, Plague Lord, Mutant, Kentris
A [Other] category will be added to the Card Archive, where you can check status effect and Curse Cards.
An issue where monster attacks would occur abnormally under certain conditions during the “Fickle Taste” battle will be fixed.
An issue where team formation is applied incorrectly when exiting or retrying a battle that includes a trial character after setting a team preset will be fixed.
An issue where the Stun status icon is incorrectly displayed when the Hew effect in hand is applied during Nine > battle will be fixed.
An issue where progress was halted due to a error code that popped up in certain situations when exiting Simulation will be fixed.
Other
An issue where dialogue is cut off due to too much text in a single speech bubble in Combatant Chatter and perk dialogue will be fixed.
Rin’s Prepare for Battle pose illustration will be partially adjusted.
An issue where the Archive > Lore > Chaos Storm description is displayed abnormally will be fixed.
An issue where the Save Data preset selection UI continues to display after being set will be fixed.
An issue where the Spirit Kefox > targeting UI size is applied abnormally will be fixed.
An issue where the unlock condition for Galactic Disaster > The Great Rift tutorial is applied incorrectly will be fixed.
An issue where the shop UI does not appear when repeatedly tapping the “Coronomicon's Gift” banner in the lobby will be fixed.
An issue where the owned quantity UI in the popup does not display properly when returning after navigating to acquisition sources from the insufficient unit currency popup during Storage > Merge / Dismantle will be fixed.
An issue where the game screen does not immediately display when opened in split screen while the app is in the background on Android will be fixed.
When assigning a Partner, the “Equipped” text in the Partner details screen will be changed to Assigned.
An issue where character voice does not play in the Record of Hope PV video at Galactic Disaster Chapter 3 # 09 Golden Mane when BGM is muted will be fixed.
An issue where Mental Breakdown 1 illustration is incorrectly displayed when viewing Record of a Moment of a Combatant in Deep Trauma state in Galactic Disaster > Chaos will be fixed.
An issue where character illustrations are displayed abnormally when using Yuki’s “Trickery Strike” card in the Great Rift will be fixed.
In Unigram, when the latest message is off-screen, [Go to the latest message] will be displayed.
The display rules for event page banner text will be improved.
An issue where the Tiphera Sticker cannot be used after being obtained in Event > Speitz's Shadow will be fixed.
An issue where the “Fickle Taste” monster performs an additional action after completing its turn while having the “Change of Heart” stack will be fixed.
An issue where the description of Chaos Storm in Archive > Lore is displayed incorrectly will be fixed.
An issue where the event description for [Event] > Into the Depths of Discord is displayed incorrectly will be fixed.
An issue where some rewards are not granted during Nine’s Unigram progress will be fixed.
An issue where Rita’s Unique Card enhancements are not reflected in the Fate Imprint Card description will be fixed.
Combat Related Bug Fixes
An issue where only one card was applied when two of Nine’s “Fighting Spirit” cards were activated through Chizuru’s “Bound At Dusk” 3rd Epiphany will be fixed.
An issue where the score was applied in advance at the time of entry when damage was dealt at the start of battle in The Great Rift will be fixed.
An issue where the Corrupted Core item effect did not stack will be fixed.
An issue where, when a monster is afflicted with ‘Agony’ from two different Combatants, its Hit Count and Damage Amount were not applied as intended, will be fixed.
An issue where Damage Amount values were not displayed correctly in some card descriptions has been fixed
An issue where the chance increase effect among the retain effects of “Rocket Punch” is not applied through “Conditional Retain Effect Activation” will be fixed.
An issue where Weakness Damage is not applied to the second hit of Renoa’s “Dirge Bullet: Finale” card will be fixed.
Fixing an issue where the damage description does not match the actual effect.
An issue where Orlea’s Potential effects are not displayed in the detailed stats window.
Other
An issue where Unigram > Cassius’s 3rd reward is incorrectly applied will be fixed.
An issue where the Galactic Disaster Challenge Mission [It’ll Be Quiet Now] was not completed when defeating Colossus in the Codex will be fixed.
An issue where the HP information UI was displayed at the moment of phase transition while equipping trigger-type Equipment will be fixed.
An issue where progress occasionally became unavailable during Ark City > Excursion will be fixed.
An issue where the battle log was displayed abnormally when Monster Dominion and Armored Kurete performed battle actions simultaneously will be fixed.
An issue where the Combatant name was incorrectly displayed in Galactic Disaster Story Chapter 1 # 05 “Operation Rescue Alcea.” will be fixed.
An issue where a notification message does not appear even when pressing the insufficient materials button in Merge > with no materials will be fixed.
In Merge > Potential, a notification message will be displayed when merging High-Grade Potential items depending on the number of Low-Grade and Mid-Grade Potential items owned.
An issue where the button background does not appear when attempting to consume food with insufficient Units in Starshine Diner will be fixed.
An issue where progress is displayed as 0 when entering the Achievement > Achievement tab will be fixed.
An issue where the EXP status UI and the Combatant Training reward icon overlap when Combatant EXP is near the maximum will be fixed.
An issue where the “Focused Hits” challenge mission cannot be completed in Galactic Disaster > Challenge Missions > Codex Chaos will be fixed.
An issue where the Prism Module application status is displayed abnormally when viewing Save Data details in The Great Rift > Ranking will be fixed.
An issue where the Fake Dark Star does not disappear when selecting option 2 in Unidentified Area > “Multiplying Form” will be fixed.
An issue where Prism is removed when selecting a card with Prism applied on the Card Removal screen will be fixed.
An issue where scrolling occurs in Save Data Equipment descriptions regardless of description length will be fixed.
An issue where the detail view screen appears behind the description screen when selecting Equipment Detail View in Save Data Equipment descriptions will be fixed.
An issue where the Bonus tab on the Affinity screen continuously scrolls when Affinity increases to Level 3 or higher will be fixed.
An issue where the red dot does not disappear even after checking new information in Arkhianon Supply will be fixed.
An issue where the zoom function intermittently does not work when viewing Illustrations in full in Record of a Moment will be fixed.
An issue where the Fatal Attack icon appears for an additional action when only one arm of the Arena Colossus remains in Galactic Disaster > Arena > Link Crash state will be fixed.
An issue where the Combatant illustration is displayed abnormally when minimizing the window on the Save Data Collection Complete screen will be fixed.
An issue where the dialogue window appears outside the screen during Story Chapter 3 # 6 “Purification Rite” will be fixed.
The order of the Event list will be adjusted. - An issue where the Event > [Shadow of Speitz] Epilogue Completion mission is incorrectly displayed as the Third Assignment Completion will be fixed.
An issue where penalties and tier are applied abnormally when escaping within the Dimensional Tunnel after defeating the Colossus will be fixed.
An issue where intermittent frame drops occur during Save Data Dismantling Auto Register will be fixed.
An issue where the description of a different piece of equipment is displayed when tapping equipment in the Equipment Detail View after checking other Arena Equipment in the acquisition popup will be fixed.
An issue where Combatant voice lines are not played when entering the Perk Video while the Bond Story is set to 2x speed or higher will be fixed.
An issue where the red dot at the top of the screen does not disappear after obtaining the Galactic Disaster Season 2 story achievement rewards will be fixed.
An issue where Epiphany Cards are displayed as activated during Mock Formation will be fixed.
An issue where the illustration is displayed abnormally during the Fatal sequence of the Arena boss Colossus will be fixed.
An issue where the healing effect is displayed abnormally under certain conditions during battle will be fixed.
An issue where the Beginning of Desire boss does not have the Dimensional Distortion usage motion applied will be fixed.
An issue where the motion effect is displayed abnormally when targeting the Colossus head with Nine’s “Exploit Opening” will be fixed.
An issue where the Duplicate effect of Dark Star is displayed incorrectly in Unidentified Area > “Multiplying Form” will be fixed.
An issue where reward stickers can be used without completing Event > Shadow of Speitz will be fixed.
The “···” symbol used in Unidentified Area > Season 2 Unidentified Area will be corrected to “...”. - An issue where monster hit sound effects are not played during Galactic Disaster Season 2 Chapter 1 # 04 will be fixed.
An issue where the Deep Trauma icon is displayed at the top of the screen during Consultation will be fixed.
An issue where a Partner-related guide popup is displayed when attempting to enter a story battle with Trial Save Data will be fixed.
An issue where the owned quantity is not displayed in the description popup of items not registered in Combatant > Favorite Present Data will be fixed.
An issue where cards are displayed abnormally when scrolling during card transition animations in Team Formation > Team Card will be fixed.
An issue where actions are delayed in the Save Data Dismantling screen under certain conditions will be fixed.
An issue where the animation motion of the reward item red dot is not displayed in Event > Chaos Regular Survey will be fixed.
An issue where the Load button malfunctions when entering and exiting the Preset edit screen after selecting a party in Team Formation > Team Preset will be fixed.
An issue where progress does not proceed under certain conditions in Ark City > Excursion will be fixed.
An issue where text motion is displayed abnormally when the dice popup closes in Unknown Spot > Roll Dice will be fixed.
An issue where the list display speed is delayed when checking Activity > Achievement Log under certain conditions will be fixed.
An issue where the color of the obtain button is displayed abnormally when canceling loot acquisition in Chaos > Settlement popup will be fixed.
An issue where the guide popup does not close after obtaining God’s Hammer will be fixed.
An issue where the Combatant SD illustration is displayed abnormally when moving to the Starshine Diner from Chaos will be fixed.
An issue where progress does not proceed when selecting a menu under certain conditions during story progression will be fixed.
An issue where a Partner with distortion applied cannot be locked will be fixed.
An issue where the screen is displayed abnormally under certain conditions at some resolutions will be fixed.
An issue where characters are displayed abnormally in Ark City content after escaping the Basin of Hyperspace will be fixed.
An issue where the playback speed randomly increases after changing the story speed to x1 will be fixed.
Combat Related Bug Fixes
An issue where only one card was applied when two of Nine’s “Fighting Spirit” cards were activated through Chizuru’s “Bound At Dusk” 3rd Epiphany will be fixed.
An issue where the score was applied in advance at the time of entry when damage was dealt at the start of battle in The Great Rift will be fixed.
An issue where the Corrupted Core item effect did not stack will be fixed.
An issue where, when a monster is afflicted with ‘Agony’ from two different Combatants, its Hit Count and Damage Amount were not applied as intended, will be fixed.
An issue where Damage Amount values were not displayed correctly in some card descriptions has been fixed
An issue where the chance increase effect among the retain effects of “Rocket Punch” is not applied through “Conditional Retain Effect Activation” will be fixed.
An issue where Weakness Damage is not applied to the second hit of Renoa’s “Dirge Bullet: Finale” card will be fixed.
Fixing an issue where the damage description does not match the actual effect.
An issue where Orlea’s Potential effects are not displayed in the detailed stats window.
Other
An issue where Unigram > Cassius’s 3rd reward is incorrectly applied will be fixed.
An issue where the Galactic Disaster Challenge Mission [It’ll Be Quiet Now] was not completed when defeating Colossus in the Codex will be fixed.
An issue where the HP information UI was displayed at the moment of phase transition while equipping trigger-type Equipment will be fixed.
An issue where progress occasionally became unavailable during Ark City > Excursion will be fixed.
An issue where the battle log was displayed abnormally when Monster Dominion and Armored Kurete performed battle actions simultaneously will be fixed.
An issue where the Combatant name was incorrectly displayed in Galactic Disaster Story Chapter 1 # 05 “Operation Rescue Alcea.” will be fixed.
An issue where a notification message does not appear even when pressing the insufficient materials button in Merge > with no materials will be fixed.
In Merge > Potential, a notification message will be displayed when merging High-Grade Potential items depending on the number of Low-Grade and Mid-Grade Potential items owned.
An issue where the button background does not appear when attempting to consume food with insufficient Units in Starshine Diner will be fixed.
An issue where progress is displayed as 0 when entering the Achievement > Achievement tab will be fixed.
An issue where the EXP status UI and the Combatant Training reward icon overlap when Combatant EXP is near the maximum will be fixed.
An issue where the “Focused Hits” challenge mission cannot be completed in Galactic Disaster > Challenge Missions > Codex Chaos will be fixed.
An issue where the Prism Module application status is displayed abnormally when viewing Save Data details in The Great Rift > Ranking will be fixed.
An issue where the Fake Dark Star does not disappear when selecting option 2 in Unidentified Area > “Multiplying Form” will be fixed.
An issue where Prism is removed when selecting a card with Prism applied on the Card Removal screen will be fixed.
An issue where scrolling occurs in Save Data Equipment descriptions regardless of description length will be fixed.
An issue where the detail view screen appears behind the description screen when selecting Equipment Detail View in Save Data Equipment descriptions will be fixed.
An issue where the Bonus tab on the Affinity screen continuously scrolls when Affinity increases to Level 3 or higher will be fixed.
An issue where the red dot does not disappear even after checking new information in Arkhianon Supply will be fixed.
An issue where the zoom function intermittently does not work when viewing Illustrations in full in Record of a Moment will be fixed.
An issue where the Fatal Attack icon appears for an additional action when only one arm of the Arena Colossus remains in Galactic Disaster > Arena > Link Crash state will be fixed.
An issue where the Combatant illustration is displayed abnormally when minimizing the window on the Save Data Collection Complete screen will be fixed.
An issue where the dialogue window appears outside the screen during Story Chapter 3 # 6 “Purification Rite” will be fixed.
The order of the Event list will be adjusted. - An issue where the Event > [Shadow of Speitz] Epilogue Completion mission is incorrectly displayed as the Third Assignment Completion will be fixed.
An issue where penalties and tier are applied abnormally when escaping within the Dimensional Tunnel after defeating the Colossus will be fixed.
An issue where intermittent frame drops occur during Save Data Dismantling Auto Register will be fixed.
An issue where the description of a different piece of equipment is displayed when tapping equipment in the Equipment Detail View after checking other Arena Equipment in the acquisition popup will be fixed.
An issue where Combatant voice lines are not played when entering the Perk Video while the Bond Story is set to 2x speed or higher will be fixed.
An issue where the red dot at the top of the screen does not disappear after obtaining the Galactic Disaster Season 2 story achievement rewards will be fixed.
An issue where Epiphany Cards are displayed as activated during Mock Formation will be fixed.
An issue where the illustration is displayed abnormally during the Fatal sequence of the Arena boss Colossus will be fixed.
An issue where the healing effect is displayed abnormally under certain conditions during battle will be fixed.
An issue where the Beginning of Desire boss does not have the Dimensional Distortion usage motion applied will be fixed.
An issue where the motion effect is displayed abnormally when targeting the Colossus head with Nine’s “Exploit Opening” will be fixed.
An issue where the Duplicate effect of Dark Star is displayed incorrectly in Unidentified Area > “Multiplying Form” will be fixed.
An issue where reward stickers can be used without completing Event > Shadow of Speitz will be fixed.
The “···” symbol used in Unidentified Area > Season 2 Unidentified Area will be corrected to “...”. - An issue where monster hit sound effects are not played during Galactic Disaster Season 2 Chapter 1 # 04 will be fixed.
An issue where the Deep Trauma icon is displayed at the top of the screen during Consultation will be fixed.
An issue where a Partner-related guide popup is displayed when attempting to enter a story battle with Trial Save Data will be fixed.
An issue where the owned quantity is not displayed in the description popup of items not registered in Combatant > Favorite Present Data will be fixed.
An issue where cards are displayed abnormally when scrolling during card transition animations in Team Formation > Team Card will be fixed.
An issue where actions are delayed in the Save Data Dismantling screen under certain conditions will be fixed.
An issue where the animation motion of the reward item red dot is not displayed in Event > Chaos Regular Survey will be fixed.
An issue where the Load button malfunctions when entering and exiting the Preset edit screen after selecting a party in Team Formation > Team Preset will be fixed.
An issue where progress does not proceed under certain conditions in Ark City > Excursion will be fixed.
An issue where text motion is displayed abnormally when the dice popup closes in Unknown Spot > Roll Dice will be fixed.
An issue where the list display speed is delayed when checking Activity > Achievement Log under certain conditions will be fixed.
An issue where the color of the obtain button is displayed abnormally when canceling loot acquisition in Chaos > Settlement popup will be fixed.
An issue where the guide popup does not close after obtaining God’s Hammer will be fixed.
An issue where the Combatant SD illustration is displayed abnormally when moving to the Starshine Diner from Chaos will be fixed.
An issue where progress does not proceed when selecting a menu under certain conditions during story progression will be fixed.
An issue where a Partner with distortion applied cannot be locked will be fixed.
An issue where the screen is displayed abnormally under certain conditions at some resolutions will be fixed.
An issue where characters are displayed abnormally in Ark City content after escaping the Basin of Hyperspace will be fixed.
An issue where the playback speed randomly increases after changing the story speed to x1 will be fixed.
Fixing an issue where the game would intermittently close while playing on the PC client
March 18 Update Maintenance
Schedule
March 19, 2026 14:15 – 14:42 UTC
Update Details
An issue where the challenger’s grade is displayed in Korean in Monsters' Arena under certain circumstances
An issue where the screen may freeze under certain conditions when returning to the Arena screen after exiting the Training Tutorial in Monsters' Arena
An issue where [Curse] cards are not included in the removal targets
While enhancing combatant's Potential, an issue where Merge and Dismantle are available even when materials are insufficient, which may intermittently prevent further progress.
An issue where using Undo Current Turn in the Colossus battle blocks progression
An issue where the remaining time for cumulative score is incorrectly displayed as [End] during the latter half of the Great Rift
An issue where choices cannot be selected in certain sections after entering Luke’s Trauma Code Opening Story
An issue where Haru and Mei Lin's chatter lines are displayed incorrectly
An issue where Ego Skills become unavailable in Invasion Battles after defeating an enemy with a Partner’s Ego Skill
An issue where certain objects and animations of the Great Rift Hidden Boss “Colossus” are displayed incorrectly
An issue where the “Seed of Karmic Fire” mission in the Galactic Disaster Season 2 Challenge Mission cannot be completed
An issue where the [Next] button is displayed in Korean in Monsters' Arena
An issue where an Epiphany is triggered when skipping while tapping and holding a card in the Meditation Epiphany selection screen
An issue where the Damage Amount of Luke’s Chain Fire 3rd Epiphany card is incorrectly displayed
An issue where Ironclad stack consumption is calculated based on the pre-increase value when a counterattack is triggered after using a cost-increasing card
An issue where the assigned class is incorrectly displayed in Ivy’s detail screen in the Memory Archive (Added on 3/19 12:10)
March 18 Update Maintenance
Schedule
March 18, 2026 01:00 – 06:00 UTC
Update Details
Rita & Ivy Rescue Rate Up
Galactic Disaster Season Story Chapter 3
Archive System
Basin of Hyperspace Season 8
March 4 Patch Notice
Schedule
March 4, 2026 13:00 – 13:30 UTC
Update Details
An issue where Sands of Time is not consumed properly under certain circumstances
An intermittent issue where available Combatants are not displayed in Ark City >Excursion
An issue where card re-manifestation does not function properly when saving Save Data under certain circumstances
An issue where the game does not proceed when tapping the skip button repeatedly in Ark City > Spend Time Together
An issue where Tsukuyomi's 2nd Epiphany card effect does not match its description text
An issue where the Damage Amount in the description of Luke’s “Chain Fire” 3rd Epiphany card is missing the % symbol
February 27 Patch Notice
Schedule
February 27, 2026 12:00 – 12:30 UTC
Update Details
An issue where the game crashes intermittently under certain circumstances after an error code is displayed
February 25 Update Maintenance
Schedule
February 25, 2026 01:00 – 06:00 UTC
Update Details
Tiphera & Tiana Rate-Up Rescue
Protos Sync - The Great Rift [Colossus]
Basin of Hyperspace Season 7
January 19 Patch Notice
Schedule
February 19, 2026 10:30 – 11:00 UTC
Update Details
An issue where the achievement, Defeat [Galactic Disaster] Nebula Distortion
[Viadeus], in the Season Missions of the Arkhianon Supply is not being properly recorded
An intermittent issue where the same Epiphany Card would be repeatedly acquired
→ Any and all Save Data affected by this issue will be amended.
Past Maintenance Updates
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
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.
■ 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”.
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.
Your feedbacks will be checked by our staffs and will be attended to accordingly. Please be advised that we may not reply to every individual feedbacks.
Galactic Disaster 
The Great Rift
Nebula Distortion
Memory Encroachment
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
Intermediate Captain Promotion Guide
Unigram Guide
Judas Boss Guide
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
Affinity Guide
Environment Variables
