Galactic Disaster Season 1 first update in Chaos Zero Nightmare (CZN). See upcoming characters, new features, improvements, patch fixes, release date and developer announcements.
Table of Contents
What is Galactic Disaster?
Seasonal Update

Galactic Disaster introduces rotating seasonal content, each with its own storyline and gameplay elements. The Galactic Disaster first season, Forbidden Catalyst, marks the beginning of this cosmic saga.
Season Save Data

Seasonal missions require season-specific save data, which can be obtained through Galactic Disaster: Chaos. A separate icon for this data will appear in the corner.
Can Be Replayed
The season save data will not be deleted even after the season ends. You can continue using it in regular content such as Simulation or Basin of Hyperspace.
First Update Release Date
The first major update is scheduled for release on November 12, 2025. This update will introduce new content, features, and improvements to enhance the overall gameplay experience.
Latest News and Maintenance UpdatesNew Content
New Character Yuki

Yuki is a highly versatile 5-star Order Attribute Striker Combatant who excels in area-of-effect attacks and deck control. Most of her cards will feature Inspiration effects.
New Partner Westmacott

Westmacott is a Striker Partner with a passive ability that increases the damage of drawn cards and those with Inspiration effects. She works best when paired with Yuki.
Partner Character ListTwo Upcoming Combatants

Two new Combatants, Chizuru and Sereniel, will arrive during the mid and late phases of the Galactic Disaster event. Each will bring unique abilities and playstyles to the battlefield, providing players with fresh strategies and options for team composition.
Laboratory 0

The new Chaos Laboratory 0 features a variety of roguelike elements, including new cards, equipment, and seasonal destinies that align with the Forbidden Catalyst season. Players can obtain Forbidden Cards, which are unavailable through normal routes.
Nebula Distortion

Nebula Distortion is a new boss-challenge mode where bosses retain their normal mechanics but with added distortions.
The Great Rift

The Great Rift is a special seasonal challenge mode, designed to test how much damage you can deal to a boss within a limited number of turns. Players form two teams, a Vanguard and a Rearguard, to strategically maximize their damage output while managing the boss’s unique mechanics.
Other Updates and Improvements
Quick Formation System
This system allows players to quickly organize Combatants in battle, enabling more strategic and efficient gameplay.
Turn Indicator
A new visual indicator will display the turn order during battles, helping you plan your moves more effectively.
Purification Protocol
Purification Protocol is a new permanent content mode available to all players, compatible with both Normal and Season Save Data. Further details will be shared via the Galactic News Network.
Agent Improvements
This update makes character progression easier for all Protos by lowering growth barriers and increasing rewards. Various adjustments have been made to help players acquire more Promotion and Potential materials.
Character GuideEvents Enhanced
Events and other content will feature enhanced rewards. Early-game and daily rewards will also be increased to provide a smoother progression experience.
Events ListAchievement Log
The Achievement Log will be adjusted to grant more Promotion and Potential materials. Any missed bonuses will be automatically sent via mail to all eligible Protos.
Policy System
The Policy system will be improved with new options that offer rewards like Crystals, Promotion materials, Potential materials, and Research Notes.
Chaos Shop

The Chaos Shop will be expanded, and the Chaos Matrix level cap will be increased to 100. This allows players to obtain higher-level rewards through advanced progression.
Save Data
The Save Data system will be improved to make storable data easier to identify and provide additional guidance, making it more intuitive for players. Future enhancements, including tutorials and new guidance methods, will further help Protos understand and use it effectively.
How to Use Save DataCodex Merging
The cost of Codex Merging will be reduced by 20%. To ease the transition, daily Unit rewards will be provided for two weeks after the update. Additionally, a new feature granting one free merge per day will be introduced, allowing players to engage with Zero System content and higher Chaos levels more easily.
Zero SystemMemory Fragment
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The Memory Fragment system UI/UX will be improved with part numbers displayed on icons, clearer visual indicators for different sets, and refined equip, upgrade, and filter interfaces to make fragment management more intuitive.
Memory Fragments GuideAffinity

This update lowers Affinity requirements, doubles Excursion gift drops, introduces the Messenger System in December, and brings a Preferred Gift System soon.
Affinity Updates
Growth Guide mission Affinity requirements will be significantly reduced, and the level needed to unlock Petit Stickers will be lowered to 7.
Excursions & Gifts
Gift drop rates in Excursions will be doubled, and more items will be added to the Traveler’s Memory Hall shop.
Messenger System
A Messenger System will launch in December, where you can enjoy special stories from Combatants and participate in a commemorative event.
Preferred Gift System
A Preferred Gift System is in development to help you deepen your bonds with your favorite Combatants.
Chaos Zero Nightmare Related Guides
