[Maintenance] 1/21 (Wed) Temporary Maintenance (Complete)

Zero Out All Despair! 
Hello. This is theChaos Zero Nightmare Team. 

We would like to inform you that
the temporary maintenance was completed on 1/21 (Wed) at 03:00 UTC.

We would like to thank all Protos for their patience and understanding during the maintenance.

■ Maintenance Compensation
 - Compensation:  Crystal x100, Tear of God x1 (Delivered to your in-game mailbox, Storage Period: 7 Days)
 - Claim Period: 1/21 (Wed) after the maintenance – 1/22 (Thu) 14:59 UTC

We will continue to do our best to provide a more stable gameplay environment.
Thank you.

We would like to inform you that Chaos Zero Nightmare will undergo temporary maintenance.
Please find more details below.

■Maintenance Schedule
- 1/21 (Wed) 01:00 ~ 05:00 03:00 UTC

■ Maintenance 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

[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

■ Please Note
※ Please end your battle prior to the patch.
- Please log out of the game before the maintenance to ensure that your game data is stored properly.
- Players will not be able to access Chaos Zero Nightmare during the maintenance.
- The maintenance schedule is subject to change.
- Additional download time may be required after the maintenance is complete.

We apologize for any inconvenience this may cause.
We will continue to do our best to provide you with a stable service.

Thank you.