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Chaos Zero Nightmare (CZN)

Spiral Tower of Screams Explained

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NEW: January 14 Patch Notes
┗ Learn About the 2026 Roadmap!
★ New Characters: Narja | Gaya
☆ See our Endgame Mode Tier List
★ Tier Lists: Character | Partner | Cards

Chaos Zero Nightmare - Spiral Tower of Screams Top Banner

Spiral Tower of Screams is an upcoming limited-time beta test for a 50-floor tower gauntlet Simulation gamemode in Chaos Zero Nightmare (CZN). Learn more about what Spiral Tower of Screams is and its release date here!

Spiral Tower of Screams Guide

Spiral Tower of Screams Distortion Effects

Distortion Effects
・ The monster that appears possesses all Attribute Weaknesses.
・ Defense-Based Damage increases by 100%
・ The maximum number of cards that can be created per turn is 12.

Bring a Healer to Your Team

A way to recover HP is recommended as you tackle the floors of the Tower. Even with a high-DPS team, you will still take damage from certain modifiers such as Thorns and you can take damage from enemy actions before truly clearing the mob groups. Since you will be fighting 5 consecutive battles, a way to sustain your HP is recommended for a team.

Bring Your Highest Damaging DPS Team

Aside from a healer, we recommend bringing the strongest DPS team you have. Clearing each round of the tower will still be the best way to clear each round. This is especially true as the distortion effect of the tower makes each enemy weak to every attribute which makes any DPS effective.

Defense-Based Combatants Are Great Options As Well

Due to the Defense-Based damage bonus, combatants that can reliably dish out defense-based damage have a place in the current Spiral Tower. The new combatant Narja in particular, is a great combatant to bring as she can both provide defense-based damage, damage bonuses, and healing.

Aside from Narja, combatants such as Khalipe is also a great option as there are rounds with multiple enemies in one wave. Amir is also a surprisingly good combatant to consider if you have Narja as she can dish out AoE damage while also capable of defensive capabilities such as shields and multiplicative damage negation.

What is Spiral Tower of Screams

No Turn Limit

Chaos Zero Nightmare - Spiral Tower No Turn Limit
One major difference with Spiral Tower of Screams is that there will be no turn limit and instead the only goal is to complete all the battles however you want. This way, roles such as Vanguards, that were sidelined in other gamemodes will be a viable strategy in this gamemode.

Universal Attribute Weakness and Additional Rules

Chaos Zero Nightmare - Spiral Tower of Screams Universal Weakness
Inside Spiral Tower of Screams, every enemy will have a rainbow attribute meaning that any combatant regardless of their attribute will always hit their weakness dealing more damage and tenacity to the enemy.

150 Floor Increasing Difficult Wave Battles

Chaos Zero Nightmare - Spiral Tower Wave Battles
Spiral Tower of Screams will be a permanent gamemode in the future inside Simulation similar to Basin of Hyperspace where you need to complete waves of increasing difficult battles as you progress higher.

Every 5 floors will be one battle consisting of 4 waves of normal enemies and 1 wave of boss enemies. This results to a total of 30 battles to complete every floor.

How to Unlock Spiral Tower of Screams

Reach Captain Level 45

You need to reach Captain Level 45 to unlock Spiral of Tower of Screams permanently in Simulation.

How to Level Up Fast

Spiral Tower of Screams Release Date

Releases on January 14, 2026 as a Beta Test

Chaos Zero Nightmare - Spiral Tower of Screams Beta
Spiral Tower of Screams will only release on January 14, 2026 as a limited-time beta test. The full release is unknown but we will update this page once information about it is out.

Only 50 Floors on Release

Chaos Zero Nightmare - Spiral Tower of Screams 50 Floor
For the beta test, only 50 floors will be available for a limited time which will have a total of 10 five waves battle with each set of floor containing enemies with higher levels.

Limited to 5 Clears Per Week

Chaos Zero Nightmare - Spiral Tower of Screams 5 Clears
However, you are limited to only 5 clears per week which resets every Sunday at 18:00 (UTC+0). The clear only counts after every 5 floors and finishing the fight. If you die, restart or leave the fight, it will not reduce your clears for that week.

Also, once you have completed each set of floor, you can do the fight again without losing any clears.

Chaos Zero Nightmare (CZN) Related Guides

Chaos Zero Nightmare Simulation.png
Simulation Guide

Simulation Guides

Basin of Hyperspace
Dimensional Dawn Dimensional Twilight
Spiral Tower of Screams

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