Nebula Distortion guide in Chaos Zero Nightmare (CZN). See Nebula Distortion boss, Kentris, Family Head, Sweet Dream, Distortion Stacks, Annihilation Reward, tips, and more in CZN.
Kentris Guide
Kentris's Features
| Period | 11/12/2025 after the maintenance – 01/13/2026 17:59 (UTC +0) |
| Weak Attributes |  Passion |
| Features | - Periodically creates Aqua Balls - If you deal a certain amount of damage in one turn, one random Card will be discarded when a Card is used. |
Distortion Stack to Watch Out for in Kentris Battle
If you're stuck, try removing the following overlapping distortions and challenge again.
- At the start of the turn, create a Contamination Card in the Draw Pile
- Turn draw count reduced by 1
- After 6 turns, the monster's damage significantly increases
- Boss monster's HP increased by 50%, damage taken reduced by 20%, damage dealt increased by 20%
Kentris Battle Distortion Stack List
Best Team for Kentris Boss Battle
 Mei Lin |  Selena |  Mika |
This team focuses on Mei Lin as the main damage dealer. She excels with high-damage skills like Unity of Attack and Defense and Rising Dragon Spire. Use Selena and Mika to provide support.
How to Play in the Kentris Battle
- Deal damage with Unity of Attack and Defense and Rising Dragon Spire.
- On even turns, secure HP with healing or Shields.
- Handle the Aqua Balls with Selena's AoE Attack.
Other Recommended Characters
| Character | Reason |
 Veronica | - An Attacker with a Weak Attribute advantage. - Handles Aqua Balls with her Giant Ballista. |
 Yuki | - Defeats all Aqua Balls at once with an AoE Attack. - Easy to make use of Inspiration. |
 Nia | - Increases stability by supporting with draws. - Decibel is also easy to activate. |
Kentris Boss Battle Tips
Prioritize Defeating the Aqua Balls
Kentris summons Aqua Balls and gains Morale based on their number. Therefore, make sure to use AoE Attacks to prioritize defeating the Aqua Balls.
| Morale | Damage +20% according to the amount of Morale. |
A Strategy of Overpowering with Damage is Also an Option
If your characters are well-developed, you can also employ a high-damage strategy. Ignore the Aqua Balls and focus all attacks on Kentris for a quick takedown.
Attacks on Even Turns
Kentris has a pattern of creating Aqua Balls on odd turns and attacking on even turns. Therefore, make sure to secure a certain amount of HP with healing Cards or Shield Cards on even turns.
Family Head Guide
Family Head's Features
| Period | 11/26/2025 02:00 – 01/13/2026 17:59 (UTC +0) |
| Weak Attributes |  Void |
| Features | - Recovers HP - Gains hunger at the start of every turn. |
Distortion Stack to Watch Out for in Family Head Battle
If you're stuck, try removing the following overlapping Distortion Stacks and challenge again.
- Action Count reduced by 3
- After 6 turns, the monster's damage significantly increases
- At the start of the turn, the boss monster gains 2 Hunger
Family Head Distortion Stack List
Best Team for Family Head Boss Battle
| Mika |  Tressa |  Rei |
This team increases the number of moves with Mika's AP recovery and efficiently removes the Family Head's "hunger" effect with Consecutive Attacks from Tressa and Rei. Tressa in particular has many multi-hit Skills, making her very effective against this mechanic.
How to Play in the Family Head Battle
- Prepare Tressa's Save Data with Shadow Reload turned into an Upgraded Card via Epiphany.
- Increase your number of hits to remove the opponent's "hunger" effect.
- Heal HP with Mika and Rei.
(When Rei is at 2 Manifest Ego, her Attack Cards will also apply a Heal effect)
Other Recommended Characters
| Character | Reason |
 Renoa | - An Attacker with a Weak Attribute advantage. - Has many hits, making it easy to remove the hunger effect. |
| Nia | - Increases stability by supporting with draws. - Decibel is also easy to activate. |
 Cassius | - Can increase the rotation rate of your hand. - Allows you to build a team that is less prone to accidents. |
Family Head Boss Battle Tips
Remove hunger with Consecutive Attacks
The Family Head gains Hunger at the start of each turn, increasing its damage dealt. The Hunger stack decreases by 1 for each hit taken, so use multi-hit attacks to keep it low.
| Hunger | Damage increase by 20% according to the amount of Hunger. On being hit, decrease Hunger by 1. |
Use a Team With a High Number of Attacks
Build a team with Combatants who excel at multi-hit attacks, like Tressa or Renoa. Combine them with support Combatants like Nia and Cassius(for card draw)or Mika(for AP recovery) to maximize your number of attacks per turn.
Sweet Dream Guide
Sweet Dream's Features
| Period | 12/10/2025 02:00 – 01/13/2026 17:59 (UTC +0) |
| Weak Attributes | Void |
| Features | - Randomly absorbs Cards at the start of the turn. - When its HP falls below a certain point, you will have to Attack more times to get your Cards back. |
Distortion Stack to Watch Out for in Sweet Dream Battle
If you're stuck, try removing the following overlapping Distortion Stacks and challenge again.
- At the start of the turn, apply Vulnerable 1 to Combatants
- At the start of the turn, the boss monster gains 5 Hunger
- After 6 turns, the monster's damage significantly increases
Sweet Dream Distortion Stack List
Best Team for Sweet Dream Boss Battle
| Tressa |  Hugo | Mika |
A team with Tressa as the Attacker is recommended. Supply AP with Mika while racking up hits with Shadow Dagger and Hugo's Extra Attack.
How to Play in the Sweet Dream Battle
- Use Shadow Reload that has undergone Epiphany to become an Upgraded Card.
- Create Shadow Daggers with Mika's Heal.
- Be conscious of maintaining Commence the Hunt.
Other Recommended Characters
| Character | Reason |
| Renoa | - An Attacker with a Weak Attribute advantage. - Has many hits, making it easy to retrieve Cards. |
 Chizuru | - An Attacker with a Weak Attribute advantage. - Can rack up hits and deal massive damage. - Note that this character cannot receive AP supply from Mika. |
| Cassius | - Can increase the rotation rate of your hand. - Allows you to build a team that is less prone to accidents. |
Sweet Dream Boss Battle Tips
Consider Restarting if an Important Card is Absorbed
Sweet Dream absorbs a random Combatant's Card at the start of the turn. If it absorbs a main damage card or a crucial support card, consider restarting the battle.
You Can Get Cards Back by Attacking Multiple Times
Absorbed cards can be retrieved by hitting the boss a certain number of times. When its HP falls below a certain threshold, the required number of hits increases. Therefore, build a team with Combatants who can easily rack up hits.
What is Nebula Distortion?
Nebula Distortion Details
| Unlock Conditions | Clear Chaos [Laboratory 0] |
| Period |    Kentris11/12/2025 after the maintenance – 01/13/2026 17:59 (UTC +0) Family Head11/26/2025 02:00 – 01/13/2026 17:59 (UTC +0) Sweet Dream12/10/2025 02:00 – 01/13/2026 17:59 (UTC +0) |
| Save Data | - Basic Save Data - Season Save Data for Forbidden Catalyst |
| Aether Consumption | None |
This is an event where you fight monsters from Chaos in a boss battle format. You can choose a stage from three different bosses to challenge. By clearing them, you can earn various rewards such as Crystals and Pure White Fragments.
4 Difficulty Levels
Each boss in Nebula Distortion has 4 difficulty levels. The boss's level increases by 10 for each difficulty tier. If you are struggling with a higher difficulty, try challenging a lower one.
| Note! | Clearing a higher difficulty will also grant you the rewards for all lower difficulties. |
Further Increase Difficulty with Distortion Stacks
Setting Distortion Stacks for each difficulty adds new mechanics to the fight. The more stacks you activate, the better the rewards.
Nebula Distortion Rewards
- Crystals
- Pure White Fragment
- Particles of Memory
- Traces of Memory
- Prism Lens
Chaos Zero Nightmare Related Guides
Recommended Guides
 Chaos Manifestation Guide |  Main Story Walkthrough |
 Trauma Code Guide |  Battle Pass (Arkhianon Supply) Guide & Should You Buy? |
 Latest Updates and Maintenance Schedule |  Unigram Guide |
Blue Pot
Twin Star's Shadow Guide
City of Mist Guide
Zero System
