Chaos Zero Nightmare Wiki
Guides, the combatant database and pull-planning tools — all in one place.
Chaos Zero Nightmare Wiki
Everything for Chaos Zero Nightmare in one hub: hand-written guides on rerolling and pity, plus quick links to every live database and tool on the site. More in-depth guides are on the way.
Guides
How to Reroll in Chaos Zero Nightmare (Beginner Guide)
A simple reroll routine for CZN: finish the tutorial, claim your starter and pre-registration rewards, spend them on the current Rate Up Res...
Chaos Zero Nightmare Beginner Guide (Early Game Tips)
A clean early-game plan for CZN: what to do first, how to spend Aether, whether to reroll, and a daily routine that wastes nothing.
Trauma Codes in Chaos Zero Nightmare: How to Unlock & Rewards
Trauma Codes are character-focused story stages in CZN. Clear the Epione Center substory in Chapter 2 to unlock them, then buy a Special Sec...
Character Progression in Chaos Zero Nightmare: Level, Potential, Manifest Ego & Gear
Every system that makes a Combatant stronger in CZN: Level and Promotion every 10 levels, the 7-node Potential skill tree fed by Attribute-b...
Ark City Guide: Facilities, Nono's Shop & Research Facility in CZN
Ark City is the home hub in Chaos Zero Nightmare, holding six facilities — Research Facility, Policy Office, Epione Center, Garden Cafe, Sta...
Chaos Zero Nightmare Game Modes: Chaos Manifestation & Great Rift Explained
The main modes outside the main story in CZN: Chaos Manifestation (a set of named Nightmare-tier Chaos runs) and Great Rift (the seasonal ra...
Introduction to Chaos Zero Nightmare (CZN): What Kind of Game Is It?
Chaos Zero Nightmare is a cosmic-loop deck-building RPG developed by SuperCreative and published by SmileGate, built around Attribute/Class...
Attributes & Classes Explained (Type Advantage, Vulnerable)
How CZN's five Attributes and six Classes shape team building, plus the ×1.25 type-advantage and ×1.5 Vulnerable damage multipliers.
Tenacity & Ravage Guide (Breaking Enemies for +1 AP)
How the Tenacity gauge and Ravage State work in CZN: break an enemy's guard to make it vulnerable, gain +1 AP for your team, and reduce Stre...
Memory Fragments Guide (Gear, Sub-stats & Sets)
How CZN's Memory Fragment gear works: six slots, main vs sub-stats, 2- and 4-piece set bonuses, and where to farm them (Simulation Lv25, Cra...
Partner Guide (What Partners Do & How to Get Them)
What Partners are in CZN, how they attach to a combatant and boost its stats, and how you pull them from the Partner Rescue banner.
Save Data & Deck Guide (CZN's Roguelike Card System)
How CZN layers a roguelike deck ("Save Data") on top of your squad: cards, Neutral Cards, Epiphany upgrades, and Prism Modules.
Explore the database
Jump straight into the live Chaos Zero Nightmare data and tools: