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

Below are the details of the 04/08 (Wed) update.
You will be able to view these updates in-game after the maintenance.
Please see below for more details.

■ Changes 
- Android support for the screenshot sharing function will be provided at a later update.
   We sincerely apologize for the inconvenience.
- Effect description added for Diana`s Ego Manifestation Stage 2, “Awakening Memory.”

■ Galactic Disaster Season 2: Seed of Karmic Fire Ends 
- Galactic Disaster: Seed of Karmic Fire is ending.
- With the Galactic Disaster [Seed of Karmic Fire] season coming to an end, the story will be moved into Act 3.
- You can proceed with the Act 3 story after clearing Act 1, Chapter 5, Episode 5 [Epilogue].
• Story progress completed during the Galactic Disaster season will be retained.
- Chaos [Burning Life] from the Galactic Disaster [Seed of Karmic Fire] season will be added to the Codex.
• Exploration progress and rewards earned during the Galactic Disaster season will be retained.
• In Codex with the [Seed of Karmic Fire] Unique Option, [Arena] will appear in Outskirts and Interior Unidentified Areas. Through exploration, you can obtain [Refinement Options] and [God’s Hammer]. 
• Clearing a Codex with the [Seed of Karmic Fire] option applied grants [Seed of Karmic Fire Season Save Data]. 
• When Merging Codices, for Season Chaos, Unique Options from other seasons will not appear.
- The held quantities of Season currency [Radiant Life] and environment variable upgrade currency [Memory of Light] will be removed.
- The difficulty of Galactic Disaster Chaos [Burning Life] and Codex Grade will be synchronized.
• Based on the difficulty at which [Burning Life] Chaos was cleared in Galactic Disaster Season 2, the Codex Merge Grade of the [Zero System] will be unlocked.
- Galactic Medals obtained from Galactic Disaster Season 2: Seed of Karmic Fire will be moved to the display case in the account profile.




■ New Combatant [Diana] Rate Up Rescue
- Rate Up Period: 04/08/2026 after the maintenance – 05/05/2026 18:00 (UTC)
1) The new Combatant “Diana” will be added to the Normal Combatant Rescue pool when the next Combatant Rate Up begins.
2) A Prism Module for the new Combatant “Diana” will be added.
3) The previous rate up Combatant “Rita” will be added to the Normal Combatant Rescue pool.
4) Diana’s Messenger Story will be added to Unigram.
5) The pickup period will be extended by 1 week so you can be with Diana until the Half Anniversary.
* Messenger stories are unlocked at Diana Affinity Levels 3, 13, and 15. 

 



■ New Partner [Sophia] Rate Up Rescue
- Rate Up Period: 04/08/2026 after the maintenance – 05/05/2026 18:00 (UTC)
1) The new partner “Sophia” will be added to the Normal Partner Rescue pool when the next Partner Rate Up begins.
2) The previous rate up partner “Ivy” will be added to the Normal Partner Rescue pool.
3) The pickup period will be extended by 1 week so you can be with Sophia until the Half Anniversary.

■ New Content: [Full-Scale Offensive] Update





- Full-Scale Offensive will be added, where you can obtain rewards by re-engaging Boss Monsters previously encountered in the Great Rift.
- A total of 3 Bosses will appear, and you can proceed by forming 3 teams, one for each Boss.
- Combatants who participated in one battle cannot be deployed again in other Boss Battles.
- Through full reset / individual reset, you can reset progress scores and the Combatants who participated in battles.
- Each Boss Battle will proceed with a 10-turn limit.
- The final score will be calculated by combining damage-based scores and bonus scores earned by achieving additional mechanical objectives.
- Period
• 04/08/2026 after the maintenance – 05/27/2026 before the maintenance
- Unlock Conditions
• Captain Level 40
- Reward 
• You can earn stars by achieving the required score in battle (up to 3 per battle).
• Rewards are assigned per star, and you can earn up to 9 stars.

■ Event – [Operation: Firebreak]



- “Operation: Firebreak” will begin to counter the remnants of the Chaos.
-The anomalous Chaos “Burning Life” has also affected nearby planets.
- Your help is urgently needed, Captain, in Operation “Firebreak,” which aims to suppress the revival of “Burning Life” and eliminate all remaining threats.
1) Schedule
• Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance
• Release Schedule by Area of Operation
# Earth: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance (UTC)
# Speitz: 04/14/2026 18:00 – 04/29/2026 before the maintenance (UTC)
# Delta: 04/21/2026 18:00 – 04/29/2026 before the maintenance (UTC)
2) Unlock Conditions
• Reach Captain Level 30
3) Progression Details
- This event will run for a total of 21 days (3 weeks), with one planet unlocking each week.
• Enter Planet
Select a planet unlocked at 7-day intervals (Earth, Speitz, Delta) to participate in the operation.
• Origin Strike 
# Proceed with Chaos play to destroy the mutated core.
# There are a total of 4 difficulty stages, and stages 1 to 3 will open simultaneously.
# Stage 4 will be unlocked upon clearing the previous stages.
4) Difficulty Level
• Stage 1: Base difficulty, open by default
• Stage 2: Upgraded Chaos, open by default
• Stage 3: High-difficulty Chaos, open by default
• Stage 4: Highest-difficulty Chaos, unlocked upon clearing stage 3 
* First clear rewards can be obtained for each difficulty.
* When clearing a higher difficulty, first clear rewards for all lower difficulties will be granted at once.

 
5) Phase Projection
- You can activate Phase Projection through tactical simulation by consuming “Save Data.”
* Save Data used for Phase Projection will not be restored.
- When Phase Projection is activated, you can obtain combat-support effects that gradually reduce difficulty, and view fragments of events that occurred on the planet.
- Upon activating each Phase Projection effect, you can obtain first achievement rewards.
6) Limited-time reward
- Limited-time mission achievable during the [Operation: Firebreak] will be provided.

 

■ Event – [Love Gathered at the Wingtips]


- With the new Combatant [Diana], resolve incidents occurring in Haven and discover the meaning of love!
- While progressing through the main missions on the event page, you can use [Diana]’s trial Save Data.
1) Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance
- A Smile That Bestows Love: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance
- The Trigger That Protects Love: 04/09/2026 18:00 – 04/29/2026 before the maintenance (UTC)
- Wings That Carry Love: 04/11/2026 18:00 (UTC) – 04/29/2026 before the maintenance
2) Limited-time reward
• Limited-time achievements will be available during the [Love Gathered at the Wingtips].

■ Virtual Tactical Simulation Event – [Diana]
- During the Rate Up period for the new Combatant [Diana], you can tryout Diana along with Lucas and Mika through the Virtual Tactical Simulation event.
- You can play the trial stage using fixed Save Data that includes the trial Combatant.
1) Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance
2) Rewards 

■ Event – [Operation: Diana Rescue]


- An event will be held where you can obtain rewards based on the cumulative number of rescues during the period.
1) Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance
2) Rewards

 

■ Event – [Partner Special Rescue]


- [Partner Special Rescue], where 5★ Partners can be obtained more easily, will be available.
- Only 10 consecutive rescues are available for this rescue, with a 20% discount.
- When attempting rescue in this event, you are guaranteed to obtain a 5★ Partner within 50 attempts.
1) Schedule: 04/08/2026 after the maintenance – 05/27/2026 before the maintenance


■ Event – [Overdrive - Simulation]


- The [Overdrive - Simulation] event will be held, where you can obtain x2 Growth Currency daily.
- You can receive x2 Simulation rewards 6 times each day.
• These bonus opportunities reset daily at 18:00 (UTC) during the event period.
1) Schedule: 04/08/2026 after the maintenance – 04/14/2026 18:00 (UTC)


■ Event – [Into The Depths of Despair]
- During the event period, you can obtain a “Chaos Selection Chest” by clearing missions in the event [Into The Depths of Despair].
- When using the “Chaos Selection Chest,” you can choose either “30 Chaos Orbs” or “100 Crystals of Discord.”
“Chaos Orbs” obtained from the Selection Chest do not affect the Chaos Matrix.
1) Schedule: 04/21/2026 18:00 – 05/05/2026 18:00 (UTC)




■ Event – [Half Anniversary Pre-Event]



- A Half Anniversary pre-event will be held.
- You can enter the event page by tapping the [Half Anniv] icon in the lobby. 
1) Schedule: 04/08/2026 after the maintenance – 05/27/2026 before the maintenance
2) Progression Details
• On the Special Guest event page, you can check the Agents visiting the ship.
• In Festival Missions, you can obtain rewards based on Aether consumption.
• During the event period, an additional 40 Aether will be granted from the Garden Café.

■ [Chaos Regular Survey]
The event [Chaos Regular Survey], where you can explore Chaos and Codex to obtain rewards, will be held.
You can obtain rewards by clearing Chaos or Codex twice each week.
* Rewards and progress reset every Sunday at 18:00 (UTC).
1) Schedule 
• Week 1: 04/08/2026 after the maintenance – 04/12/2026 18:00 (UTC)
• Week 2: 04/12/2026 18:00 – 04/19/2026 18:00 (UTC)
• Week 3: 04/19/2026 18:00 – 04/26/2026 18:00 (UTC)
• Week 4: 04/26/2026 18:00 – 05/03/2026 18:00 (UTC)
2) Rewards

 
■ Daily 2 Free Codex Merging Event
- During the Event period, up to 2 Codex Merges can be performed for free each day.
- Schedule: 04/08/2026 after the maintenance – 07/08/2026 before the maintenance




■ Basin of Hyperspace – New Season Begins
- A new season of [Basin of Hyperspace: Dimensional Twilight] will begin.
1) A total of 48 battles will take place, spanning from 1st Basin to 10th Basin, including both first and second halves.
2) Support Effect: When a card is Discarded, increase Damage Amount of Attack Cards by 30% for 1 turn (max 1 stack).
- Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance


■ New Season of Zero System Begins
- [Zero System] - [Chaos Matrix] rewards will reset, and a new season will begin.
- Schedule: 04/08/2026 after the maintenance – 07/08/2026 before the maintenance
- A new season of the Zero System will begin, and the event page [Zero System] will be activated.


■ Season 3 [A Song Rippling Through the Stars] Preview




- During the preview period, you can use the Zero System to Merge the “A Song Rippling Through the Stars [Preview]” option. Clearing the corresponding Codex will grant the “A Song Rippling Through the Stars” Save Data. 
- This Save Data can be used in the “A Song Rippling Through the Stars” seasonal content.
- Season-Limited elements will be added, and certain Common Cards, Fates, and Equipment may be restricted.
• Restricted items will not appear in Chaos.
• These restrictions will remain even after the season ends.
- Schedule: 04/08/2026 after the maintenance – 04/29/2026 before the maintenance


■ Profile – Display Case Added


- A Display Case feature will be added to the profile screen.
- After the season ends, Galactic Medals obtained can be viewed in the Display Case tab in your profile. 
- Based on the season’s final results, you can check the medals you’ve earned and achievement records from the season.


■ Partner System Improvements
- The overall system for 5★ Partners will be improved, and their passive effects will be enhanced.
1) When a Combatant receives [Increase Attack/Defense/HP by n%] effects from Potentials, Memory Fragments or set bonuses, the increase will be applied based on the total combined stats of the Combatant and the currently equipped Partner.
• To provide a consistent combat experience, monster stats across all level ranges will be adjusted.
2) The base stats of 5★ Partners obtainable through rescue, as well as the stat gains from leveling up and promotion, will be increased.
• Target Partners: Asteria, Westmacott, Marianne, Scarlet, Marin, Tina, Peko, Kiara, Janet, Ivy, Itsuku, Bria, Alcea, Erica, Zeta, Tiana, Gaya, Noel
3) The potency of Partner passive effects will be increased.

 

■ Dellang Shop Sale Items Improvement
- The sale list will be improved so that you can more reliably obtain Equipment appropriate to your exploration progress in the Dellang Shop.
• Sale List Changes: Equipment from the main faction of the Chaos currently being explored will appear in the shop. (Excludes Mythic Grade Equipment)
• Excluded Items: Special Equipment obtainable only from specific Unidentified Areas will not be included in the sale list.




■ New Package Added
- New Update Package will be added.

■ Arkhianon Supply New Season Start & Missions Added
- Arkhianon Supply: Season 5 will begin.
- 6 new Season Missions will be added.
• [Full-Scale Offensive] Achieve a total score of at least 300,000
• Complete Love Gathered at the Wingtips’s epilogue, What Is Love
• [Operation: Firebreak] Clear Earth Stage 3
• [Operation: Firebreak] Clear Speitz Stage 3
• [Operation: Firebreak] Clear Delta Stage 3
• [Dimensional Twilight] Clear “3rd Basin”


■ Combatant Perk Lobby Added
- Perk Lobby for Nia will be added.
* Lobby Perks are unlocked at Combatant Affinity Level 10.
• Nia: Thoughts of That Day



■ New Unigram Messenger Story Added
- Messenger Stories of the Combatants listed below will be added to Unigram.
• Renoa, Selena, Rin, Orlea, Veronica, Luke




■ PC Client Keybinds Added
- A feature has been added to allow battles to be played using keybinds in the PC client.
- Available shortcuts can be checked in the [Keybinds] tab within the [Settings] menu.
- When the [Show Keybinds] option is turned ON, available shortcuts will be displayed on the battle screen.
* The [Keybinds] feature is only available in the PC client.


■ Screenshot Sharing Feature Added
- A screenshot social media sharing feature will be added. You can save screenshots to your device or share them on social media through the share button.
- Supported content for the share button

• ID Card
• Display Case
• Rescue Anchor
• Achievement
• Save Data
• Combat Results Screen
• Galactic Medal
• Supported social media: Facebook, X (formerly Twitter)
• Save location (PC): Documents/Chaos Zero Nightmare

※ The screenshot sharing function will first be available for Android and PC clients only, and will be updated in the future to support iOS devices.
※ The screenshot sharing function will first be available for PC clients only, and will be updated in the future to support Android and iOS devices.

■ Improvements
[QoL Improvements]
-The requirements for some Growth Guide missions will be reduced to ease difficulty.
• Affected Chapters: 3, 4, 5, 6, 7, 8, 9
- Multiple selections are now available when charging Aether with Crystals.
• Aether can now be charged up to 999, even beyond the maximum Aether cap (240).
- A minimap scroll feature will be added to Chaos exploration.
- The full-screen map now opens and closes faster.
- A new option will be added in Settings to enable or disable frequently occurring pop-ups.
- Tapping a Unigram notification will now open Unigram.
- The Distortion Adaptation toggle will now remain as set by the user even after restarting the client.
- Mouse scroll can now be used for navigation in scroll-based UI.
• In full-screen mode of the Combatant & Partner profile menu, you can zoom in/out using mouse scroll.
• In full-screen mode of the Record of a Moment tab in the Combatant profile menu, you can zoom in/out using mouse scroll.
- Animation speed-up will now apply to the following:
• Spot entry animations
• Dice animation displayed when using a [Fear] card during Senectus battles
- The Auto-Combat icon will be updated.

[Other]
- An [Other] tab will be added to the Card Archive.
• Information on Status Ailment cards and Curse cards can be viewed from the [Other] tab.
- A new Potential node (5-2) will be added for all Combatants.
• Effect: Increases the chance for a Divine Epiphany to appear by 25%.
- You will be able to view background information for each content using the Content Introduction button.
• Target: Combat Training, Basin of Hyperspace, Spiral Tower of Screams, Epione Center, Zero System, Chaos Manifestation, Full-Scale Offensive 
• You can access it via the Content Introduction button at the top right of each content’s  main page .
- Additional obtained items will now be displayed in the 4★ or higher item acquisition animation when observing a Prism Module.
- When the remaining duration of the Coronomicon monthly package is 1 day or less, the remaining days will be highlighted.
- Partners assigned to Combatants will now be displayed as “Assigned” instead of “Equipped.”
- A monster HP bar will be added to the touch area that opens monster pop-ups.
- Button transparency for Safe Zones and Unidentified Areas will be reduced to improve visibility.
- A guide message will be added on how to check equipped equipment details when selecting Rare or Legendary Equipment.
- The Normal Partner Rescue screen design will be updated to clearly distinguish it from Combatant Rescue.
- A preset button will be added to the Combatant list screen.
- Recommended content levels will be adjusted not to exceed 60, and monster levels will be viewable on certain screens.
- The size of numbers displayed on Breakdown cards will be increased for better readability.
- When selecting Equipment, the corresponding equipment slot on the Combatant will be highlighted.
- If a Promotion Mission is included in Battle Missions, a guide indicator will be displayed when not on the Promotion Mission screen.
- A Dismantle button will be added to the Partner swap screen.
- The display of a Partner’s affiliated Combatant will be enlarged for better visibility.
- The Partner passive application status will be more clearly distinguished in the Partner Formation screen and in-game.
- The color of the pass icon on the main screen will be adjusted for clearer distinction.
- The required currency for restoration will be viewable on the Card Motion Restoration page.
- Motion previews will be available when restoring card motions.
- A button will be added to the Team Formation screen to swap the positions of two teams.
- Skip buttons will be added to the Starshine Diner and Garden Café coffee animations.
- Action Counts will be viewable in the monster status popup.
- Visibility of Epiphany indicators in the hand and deck will be improved.
- Prism indicators for 5★ characters will be more visible.
- Clicking the Move to Unlock Condition button for Battle Missions will move you to the appropriate mission node based on your progress.
- The display method of character-specific resources will be improved.
• In the Buffs tab, items will be sorted by priority, and icons will be standardized to match the orange icon style.
• In the Battle HUD, they will be displayed in separate areas similar to trigger Equipment.
- Emphasis effects will be added to buff icons of certain boss monsters.
• Chaos Order, Soul Collector, Diallos, Judas, Seraphion, Achurus, Viadeus, Invader, Bercula, Formica, Nihilum, Wailing Prodigal, Sweet Dream, Family Head, Sekred, Elemental Spirit, Plague Lord, Mutant, Kentris
- A [Other] category will be added to the Card Archive, where you can check status effect and Curse Cards.




■ Bug Fixes
[Combat Related Bug Fixes]
- An issue where monster attacks would occur abnormally under certain conditions during the “Fickle Taste” battle will be fixed.
- An issue where team formation is applied incorrectly when exiting or retrying a battle that includes a trial character after setting a team preset will be fixed.
- An issue where the Stun status icon is incorrectly displayed when the Hew effect in hand is applied during Nine > battle will be fixed.
- An issue where progress was halted due to a error code that popped up in certain situations when exiting Simulation will be fixed.

[Other]
- An issue where dialogue is cut off due to too much text in a single speech bubble in Combatant Chatter and perk dialogue will be fixed.
- Rin’s Prepare for Battle pose illustration will be partially adjusted.
- An issue where the Archive > Lore > Chaos Storm description is displayed abnormally will be fixed.
- An issue where the Save Data preset selection UI continues to display after being set will be fixed.
- An issue where the Spirit Kefox > targeting UI size is applied abnormally will be fixed.
- An issue where the unlock condition for Galactic Disaster > The Great Rift tutorial is applied incorrectly will be fixed.
- An issue where the shop UI does not appear when repeatedly tapping the “Coronomicon's Gift” banner in the lobby will be fixed.
- An issue where the owned quantity UI in the popup does not display properly when returning after navigating to acquisition sources from the insufficient unit currency popup during Storage > Merge / Dismantle will be fixed.
- An issue where the game screen does not immediately display when opened in split screen while the app is in the background on Android will be fixed.
- When assigning a Partner, the “Equipped” text in the Partner details screen will be changed to “Assigned.”
- An issue where character voice does not play in the Record of Hope PV video at Galactic Disaster Chapter 3 # 09 Golden Mane when BGM is muted will be fixed.
- An issue where Mental Breakdown 1 illustration is incorrectly displayed when viewing Record of a Moment of a Combatant in Deep Trauma state in Galactic Disaster > Chaos will be fixed.
- An issue where character illustrations are displayed abnormally when using Yuki’s “Trickery Strike” card in the Great Rift will be fixed.
- In Unigram, when the latest message is off-screen, [Go to the latest message] will be displayed.
- The display rules for event page banner text will be improved.
- An issue where the Tiphera Sticker cannot be used after being obtained in Event > Speitz's Shadow will be fixed.
- An issue where the “Fickle Taste” monster performs an additional action after completing its turn while having the “Change of Heart” stack will be fixed.
- An issue where the description of Chaos Storm in Archive > Lore is displayed incorrectly will be fixed.
- An issue where the event description for [Event] > Into the Depths of Discord is displayed incorrectly will be fixed.
- An issue where some rewards are not granted during Nine’s Unigram progress will be fixed.
- An issue where Rita’s Unique Card enhancements are not reflected in the Fate Imprint Card description will be fixed.

■ [New Captain Support Special Rescue Request] End Notice
- The currently ongoing [New Captain Support Special Rescue Request] will run until the maintenance on 04/29/2026, after which a new event for new Protos will be introduced.
- We ask for your understanding and hope you look forward to the new Rescue support event for new Protos.

■ Returning User Event Improvements and Additional Notice
- The returning user event will be updated for Protos returning to Chaos Zero Nightmare.
• After the maintenance on 04/29/2026, the rewards for the existing returning event “Garden Cafe’s Returnee Present” will be changed, and one new returning event will be added.
• Protos who return before the maintenance on 04/29/2026 will proceed with existing returning event, while those who return after the maintenance will have two new returning events available.
- We hope you look forward to the new events prepared for Protos returning to Chaos Zero Nightmare.

■ Half Anniversary Update Notice
- The Half Anniversary Update will run for 4 weeks, starting after the April 29, 2026 maintenance—extended by one week compared to previous updates. We appreciate your interest.

Thank you.