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Zero Out All Despair!
Hello, this is the Chaos Zero Nightmare Team 

Below are the details of the 04/29 (Wed) update.
The update will be available in-game after the maintenance.
Please see the details below.

■ Fixes
- Fixed the description for the Tactical Asset Monthly Supply
- Updated the reward details for the limited-time achievements of [SS Edenity Patrol Operation]
- Fixed the description for Crimson Blade
- Heidemarie > Liberated Memory description revised
- Great Rift First Half Period Fixed
- New Divine Epiphany Effects Fixed
- Fixed the Effulgent Blade description
- A notice regarding Sortie difficulty unlock conditions has been added
- Half-Anniversary Ticket Sales & Reward Claim Period Updated
- Fixed The Great Rift Supply Store Closing Schedule

■ Galactic Disaster Season 3: A Song Rippling Through the Stars Update


- Rate Up Period: 04/29/2026 after the maintenance – 07/08/2026 before the maintenance
* Seasonal Save Data will be retained even after the season ends.
* After the season ends, the Seasonal Chaos will be integrated into the Codex, allowing you to obtain Seasonal Save Data at any time.
 
1. New Story
- Galactic Disaster Season 3 Story, [A Song Rippling Through the Stars] will be added.
1) Chapter 1: Act of Atonement
• Open Schedule: 04/29/2026 after the maintenance
• Unlock Condition: Reach Captain Level 35
 
2) Chapter 2: A Girl's Nightmare
• Open Schedule: 05/27/2026 after the maintenance
• Unlock Condition: Clear Chapter 1 Episode 14 "Epilogue"
 
3) Chapter 3: Starry Night
• Open Schedule: 06/17/2026 after the maintenance
• Unlock Condition: Clear Chapter 2 Episode 9 "Arrest"
* Each story will be added to [Story] after the Galactic Disaster season ends.

2. New Chaos [Theater of Illusions] Added
- You can now play the new Chaos, [Theater of Illusions], to obtain the Seasonal Save Data.


1) Unlock Condition: Clear Chapter 1 Episode 13 "Hello, My Hero"
2) Progression Details
• When clearing Chaos, you can earn rewards based on your Weekly Progress Score.
•Rewards can be claimed from [Achievements] based on your Weekly Progress Score.
• Progress is reset each week, and you can earn progression rewards repeatedly until the end of the Galactic Disaster season.
• [Theater of Illusions] will be integrated into the [Zero System] after the Galactic Disaster Season ends.
• Exploration Archive from [Theater of Illusions] during the Galactic Disaster season will remain available even after the season ends.
 
3. Nebula Distortion
- The intense Aspect Distortions observed in disaster-stricken regions make battles against powerful monsters encountered in Chaos even more challenging. As distortions continue to stack, break through increasingly threatening distortion effects and overcome powerful monsters.
Nebula Distortion can only be challenged using either Basic Save Data or A Song Rippling Through the Stars Seasonal Save Data.

1) Unlock Conditions
- Clear the new Chaos [Theater of Illusions]

2) Open Schedule
- Cruel Bone: 04/29/2026 after the maintenance – 07/08/2026 before the maintenance 
- Seraphion: 05/06/2026 02:00 (UTC) – 07/08/2026 before the maintenance 
- Soul Collector: 05/13/2026 02:00 (UTC) – 07/08/2026 before the maintenance
 
4. The Great Rift
- A Great Rift has been discovered across regions devastated by disaster. From this rift of swirling dimensions, the masterminds behind the disaster threaten the galaxy. Build your own deck and aim for the highest score in The Great Rift.
1) Open Schedule
 - The Great Rift First Half: 05/27/2026 after the maintenance – 06/17/2026 before the maintenance 
 - The Great Rift Second Half: 06/17/2026 after the maintenance – 07/08/2026 before the maintenance 
2) Improvements
- The Seasonal Save Data restriction rule for The Great Rift has been removed. 
• Save Data other than Season 3 Save Data can now be used in The Great Rift.
- Earn bonus points when forming a team with Seasonal Save Data in The Great Rift.
 
5. [A Song Rippling Through the Stars] Season Restrictions
* Restricted items will not appear in the Chaos Theater of Illusions and [A Song Rippling Through the Stars] Unique Options.
* Restricted items cannot be used in The Great Rift.
• Common Cards: Wanderer of the Void, Belligerence, Wind of Relief
• Fate: Courtship
- If you enter combat in The Great Rift with Save Data that includes Season-Limited Cards or restricted equipment, the restricted items will be removed before combat begins.
 
6. Supply Store Operations
- You can obtain rewards from the Supply Store using [Flawless Melody], a currency obtainable from the Chaos [Theater of Illusions].
1) Open Schedule
• 1st Supply: 04/29/2026 after the maintenance – 07/08/2026 before the maintenance 
• 2nd Supply: 05/27/2026 after the maintenance – 07/08/2026 before the maintenance 
• 3rd Supply: 06/17/2026 after the maintenance – 07/08/2026 before the maintenance 
2) 1st Supply Store Rewards

 
■ Galactic Disaster Season 3: [Environment Variables] Introduction


With the new Galactic Disaster season, the [Environment Variables] system is being introduced. Experience deeper deck-building and character growth through season-exclusive upgrade elements.
 
1) Open Schedule
- New Environment Variables Update: Galactic Disaster Start - 04/29/2026 after the maintenance – 07/08/2026 before the maintenance
- Environment Variables 1st Feature Expansion: Galactic Disaster Mid-Season - 05/27/2026 after the maintenance – 07/08/2026 before the maintenance
- Environment Variables 2nd Feature Expansion: Galactic Disaster Late-Season - 06/17/2026 after the maintenance – 07/08/2026 before the maintenance 
(Nodes will expand into the upper section of Environment Variables, granting additional effects.)
 
2) How to Access
- You can access it through the [Environment Variables] icon in Zero System - Codex.
- Seasonal Meta Upgrade: A season-exclusive skill tree that enhances the core seasonal mechanics  or improves exploration convenience.
- Scope of Application: Activated effects apply to [Codex] and [Galactic Disaster: Chaos] during the season period.
- Progression Method: Progression starts from the interior node, activating connected nodes sequentially. Environment Variable data for the season will be reset at the end of the season.

3) Key Environment Variable Nodes Overview

 
4) Currency Reset Notice
• Activating [Environment Variable] nodes in the new season requires "Memory of Light"obtained during the Galactic Disaster Season 3.
- Acquisition: Can be rewarded by completing [Codex] and [Galactic Disaster Chaos].
- Any [Memory of Light] obtained in previous seasons will be reset.
 
 

■ New Seasonal Combatant [Heidemarie] Rate-Up Rescue Event
- Rate-Up Period: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
1) The new seasonal Combatant "Heidemarie" will not be added to Normal Combatant Rescue pool after the Rate-Up period ends.
*These seasonal Combatants may be re-released in the future.
2) The rescue probability is identical to existing Rate-Up events.
3) Rescue Mileage Handling
• Rescue Mileage accumulated from previous Rate-Up events carries over to this seasonal Rate-Up rescue.
• All events that are a part of the Combatant Rate-Up Event share and accumulate the same 5★ pity count.
• Rescue Mileage accumulated during this seasonal Rate –Up will carry over to the next Rate-Up rescue event.
4) Memory Codes sold in the Combatant Memory Archive are available only during the seasonal Combatant Rate-Up period.
• 2 per account
5) Omega Codes you already own can also be used on seasonal Combatants.
6) A Prism Module for the new Combatant "Heidemarie" will be added.
7) The previous rate up Combatant "Diana" will be added to the Normal Combatant Rescue pool.
8) Heidemarie's Messenger Storywill be added to Unigram.
* Messenger Stories are unlocked at Heidemarie Affinity Levels 3, 13, and 15. 

■ New Seasonal Partner [Sylvia] Rate-Up Rescue Event
- Rate-Up Period: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
1) The new seasonal Partner "Sylvia" will not be added to the Normal Partner Rescue pool after the Rate-Up period ends.

*These seasonal Partners may be re-released in the future.
2) The probability is identical to existing  Rate –Up events.
3) Rescue Mileage Handling.
• Rescue Mileage accumulated from previous Rate-Up events carries over to this seasonal Rate-Up rescue.
• All events that are a part of a Partner Rate-Up Event share and accumulate the same 5★ pity count.
• Rescue Mileage accumulated during this seasonal Rate-Up will carry over to the next Rate- Up rescue event.
4) Partner products sold in the Partner Memory Archive are only available during the seasonal Partner Rate-Up period.
• 1 per account
5) The previous Rate-Up Partner "Sophia" will be added to the Normal Partner Rescue pool.

■ New Divine Epiphany Effects Added
- New Divine Epiphany effects will now appear in Chaos.
- New effects have unique effects for each divinity. 
- The Chaos Order's new Divine Epiphany will be added.

■ New Content – [Sortie] Update


- New Content [Sortie] will be added.
- You can access it via the dedicated UI button in the Main Lobby.
- New roguelike content where in-game elements are refreshed weekly along with Dimensional Singularity updates.
 
1) Content Unlock Conditions
- Captain Level 32 or higher
 
2) Entry Currency and Rewards

- Consumes 30 Aether when entering Sortie.
- Upon clearing a stage, 30 consumed Aether is refunded, and you can obtain either 1 new currency, "Reason," or the new currencies "Black Mass" and "Tactical Data” by consuming 60 Aether.
- Captain EXP, "Black Mass," and "Tactical Data" can be obtained in proportion to the amount of Aether spent, even if Sortie is failed or abandoned midway.
- Up to 3 "Reason" can be recovered per week, and a max of 3 can be held.
 
3) Difficulty Level Composition

*For this update only, difficulties up to Stage IV will be unlocked according to your level.

4) Content Rules
- Due to distortions in spacetime, new elements and modified rules from existing Chaos will take effect.
▪︎ Select 1 Combatant to enter Chaos and choose additional Combatants to join the party as Exploration continues.
▪︎ In addition to the Combatant selected upon entry, additional Combatants can be selected even if they aren't owned.
▪︎ Underdeveloped or unowned Combatants will have their Growth level adjusted based on the Difficulty Level of the current playthrough. For Combatants without equipped Partners, the Partners' Growth level will also be adjusted accordingly.
▪︎ Memory Fragment effects do not apply in Sortie mode.
▪︎Potential effects that require certain stat achievement conditions are applied regardless of the conditions.
▪︎ The mode consists of 3 stages—Outskirts, Interior, and Depths—with the appearing Faction randomly determined upon entering each stage.
▪︎Starting from the second turn on Sortie Difficulty Level V, Combatants' Heal Amount and Shield Strength decrease as turns progress.
▪︎ At the end of the battle, select and acquire one of the 3 Cards from the Combatants in the formation.
: Acquired Cards have a predetermined owner, and have a chance to be obtained with Epiphany or Divine Epiphany effects applied. 
▪︎ Card duplication rewards are removed from boss defeat rewards.
▪ Not subject to duplication and removal count limits.
▪︎ The Dellang Shop has a chance to sell Unique Cards of Combatants in formation.
▪︎ New Fates are available, and Rare Fate effects become more powerful.
• Defeating an Elite now allows random Common Fates to be obtained.
▪︎ Equipment and Cards with enhanced stats or new effects are provided. 
 • Modified elements will have prefixes such as "Mutation:" or "Bloom:" added.
▪︎ Divine Epiphany-related content will be added.
 • In addition to the existing Divine Epiphany, unique Divine Epiphany effects specific to each divinity will be added.
• When Divine Epiphany manifests, all 3 Cards presented will have Divine Epiphany applied.
• Cards that already have Epiphany/Divine Epiphany effects applied can still receive Divine Epiphanies from various events, and only the Divine Epiphany effect will be changed.
▪︎ Newly added exclusive Events and new Unidentified Area Events can be encountered.
 
5) Hardcore Mode

- Hardcore Mode can be optionally activated regardless of the Difficulty Level.
- When activated, additional penalties are applied.
1) Attacks that would reduce a Combatant’s Health to 0 are immediately converted into Fatal Attacks.
2) Monsters have higher Tenacity and increased Attack, Defense, and HP.
3) There is a small chance for battles to occur in Unidentified Areas, and the required dice roll value is increased.
4) The spawn rate of Elite Battle Areas increases, and more powerful boss monsters appear.
 
6) Risk Modifiers

- Risk Modifiers can only be activated on Difficulty Level V.
- Risk Modifiers are penalty elementsthat add difficulty to gameplay, increasing the Risk Modifier Stage by a certain amount depending on the type of effect.
- Upon reaching specific Risk Modifier Stages, additional penalties called Extended Modifiers are activated and  the amount of Black Mass obtained as rewards is increased.
 
7) Role Categories
- In Sortie, each Combatant is classified into one of 5 types [Core/Attack/Protection/Healing/Support] based on their specialized abilities.

- The role category system only applies to Sortie mode.
- When selecting a party composition that lacks sufficient damage or stability, a pop-up guide  will appear to assist Protos in making strategic decisions.
 
8) Unconscious Awakening
- The Combatant [Unconscious Awakening] system has been added.
- Combatant [Unconscious Awakening] can be progressed by playing Sortie mode, with a max level of 2.
- Combatants deployed at the beginning of infiltration have 100% of the Sortie score reflected in the [Unconscious Awakening], while Combatants that join Exploration later are applied with a multiplier based on the timing of their arrival. 
- [Unconscious Awakening] progression is available only for owned Combatants, and each level of [Unconscious Awakening] increases the Combatant's max level cap by 1, meaning Combatants can reach up to level 62.
 
9) Dimensional Singularity
- Specific Combatants designated as [Drafted Combatants] can resonate with the Dimensional Singularity to demonstrate maximized abilities beyond their usual performance.
- Owned Combatants receive upgraded effects during Sortie mode. 
- Certain Combatants designated as [Unavailable Combatants] conflict with the Dimensional Singularity and are restricted from use in Sortie mode.
- Designated specific Seasonal Cards will appear in Sortie mode.
- Combatants and Cards designated as targets of the Dimensional Singularity will change when the Singularity refreshes each week.
 
10) Sortie Logs
- You can view your 10 most recent Sortie Logs through a dedicated UI.
- You can check various elements acquired during each run, including scores, and these logs are reset with each new version update.

11) Chaos Analysis Lab


- You can purchase various items using Black Mass acquired in Sortie mode.
- For items with purchase limits, the purchase count is reset with each new version update.
 

 
 


- New Core items are data-editing items that can be used on Save Data.
- These items can be used through the data-editing button added to the Save Data UI.
- When using Core items, edits cannot exceed the Save Data limit (180pt), and the effects of each use are as follows: 

 
 
■ [Sortie] Exclusive Skill System: [Tactical Optimization] Introduced



- A new growth system exclusive to Sortie mode, [Tactical Optimization], will be introduced.
- Unlike "Zero Upgrade," which affects Simulation-based Chaos content overall, [Tactical Optimization] is designed to secure tactics specialized for Sortie mode.
- Based on combat data accumulated through Sortie runs, establish a permanent foundation or build temporary upgrades tailored for seasonal strategies.
 
1. Progression Details
- Opening Date: 04/29/2026 after the maintenance –
- How to Access: Lobby → Enter [Sortie] → [Tactical Optimization] button
 
2. Tactical Upgrade Stage Guide
- Growth is divided into two stages: [Tactical Authority], which establishes a permanent foundation based on the nature of growth, and [Fluid Tactics], which shapes seasonal strategies.
- The season for [Fluid Tactics] continues alongside Galactic Disaster Season 3. 
 
[Stage 1: Tactical Authority] — Permanent Upgrades

• This is the basic performance upgrade stage that applies across Sortie.
• It unlocks immediately upon entering Sortie mode with no additional conditions.

[Stage 2: Fluid Tactics] — Seasonal Limited Upgrades

• An upgrade stage that exerts powerful effects only during the season.
• It automatically opens when a new season begins.

 
3. [Tactical Authority] Detailed Guide
- [Tactical Authority] is a permanent upgrade skill that becomes progressively stronger as Exploration continues. 
• Stat Upgrades: Permanently upgrades character Damage, Max HP, Shield and Recovery Amount, and Critical Hit Chance.
 
4. [Fluid Tactics] Detailed Guide
- [Fluid Tactics] is a limited-time upgrade skill that maximises strategic choice.
• Tactical Review: Unlocks the [Prayer] function in Safe Zones, allowing you to spend credits to reroll cards or grant Divine Epiphany effects. 
• Convenience Upgrades: Supports basic Exploration through increased credits earned in combat, reduced equipment prices at the Dellang Shop, free refreshes at the Dellang Shop, and more.
• Variable Stability: Controls variables during Exploration by increasing Breakdown Recovery Chance.
• Operational Efficiency: Increases the appearance rate of Rare Unidentified Areas and unlocks Search Again functions when Combatants join or acquiring Fate. 
• Resource Acquisition: Increases initial Credits when entering a Sortie or boosts the Monster Card acquisition rate in [Elite Battle Areas] to support more strategic choices. 
• Powerful Variable Creation: Provides powerful benefits such as an increased Divine Epiphany appearance rate.
• Tactical Stabilization: Provides an additional HP recovery effect in the Supply Zone.
 
5. New Exclusive Currency: [Tactical Data] Added
- A new currency [Tactical Data] has been added, which is used to activate individual nodes in Tactical Optimization. 
- Acquisition Sources: 
• [Reason] Exchange Rewards: Can be obtained in large quantities when exchanging rewards through [Reason] consumption 
• Can be obtained in small amounts by defeating Rare Boss Monsters in Sortie mode 
• Can be obtained in small amounts by defeating Rare Normal/Elite Monsters in Sortie mode 
- Usage: Used to unlock and upgrade skills at each stage within Tactical Optimization.
 

■ Content – [Spiral Tower of Screams] Official Update


- The beta test for [Spiral Tower of Screams] has ended, and the official service begins.
- Challenge restrictions for [Spiral Tower of Screams] have been lifted, allowing challenges up to Area 150.
1) The same rules apply as before up to Area 100.
2) From area 101 and onward, these areas are Challenge Areas, where you must proceed through to the final area using the team formed in Area 101.
3) During a Challenge, press the [Waypoint Recall] button to return to Area 101 and change your Team Formation.
4) When using [Waypoint Return], clear records for Area 101 and above are reset. 
* Rewards that have already been obtained cannot be claimed again.
5) If all areas up to Area 150 are cleared, the Combatants included in the clearing team will be recorded in the [Exploration Records], and sticker rewards can be obtained.
- The distortion effects of the [Spiral Tower of Screams] will be changed as follows.
1) Increase EP Recovery Amount by 50%.
2) Decrease Heal Amount of Card by 50%.
- With the official launch of [Spiral Tower of Screams], all existing progress and previously obtained reward records will be reset.




■ Event – [Half Anniversary Event] Now Live


1) Half-Anniversary Celebration Check-in Event - [Special Gift] Now Live


- To celebrate the Half Anniversary, a daily login event will be heldallowing you to claim rewards each day.
- Schedule: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
- Reward

 
* The list of Combatant and Partner Half Anniversary Cards that can be selected is as follows.

 
2) Half-Anniversary Celebration - [Normal Combatant Rescue] 70 Free Pulls Event

- In celebration of the Half Anniversary, 10 free Normal Combatant Rescues will be provided daily for 7 days.
- Schedule: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
 •  During the Event period, up to 70 [Normal Combatant Rescues] can be performed for free.
 •  Log in daily during the Event period to receive 10 free Rescues per day, for up to 70 total.
* If you do not log in, the 10 Rescues will not be given.
 • Unused free Rescue attempts after logging in will carry over and can be used the following day.
 • Free Rescues will not be given on days you do not log in.
 • Accumulated free Rescues can only be used during the Event period.

■ Returning User Event
- Two special events are being held for Protos returning to Chaos Zero Nightmare.
- With the launch of these two new returning events, the existing returning event [Garden Café Returnee Present] will end.
-  For Protos currently participating in the returnee event, [Garden Café’s Returnee Present], the event will conclude upon login after the April 29 maintenance, and two new Returning Events will commence.
 
1) Period: Day of return - 15 days later at 18:00 (UTC)
2) Participation Requirements
• Protos who have not logged in for at least 14 days since their last login
• Protos with Account Rank 10 and above
• Protos whose last participation in a returning event was over 40 days ago
3) Returning Event [Abundant Return Gift]
- Earn various rewards based on the amount of Aether consumed during the event period.

 
4) Returning Event [Grand Welcome Check-In]
- Log in during the event period to earn various rewards.

■ Event – [Shadow Under the Willow] Now Live


- Heidemarie, the hero of all and Mayor of SS Edenity. Revisit the events of seven years ago that she buried deep within her heart.
- While progressing through the main missions on the event page, you can use the [Heidemarie] trial Save Data.
1) Schedule:04/29/2026 after the maintenance – 05/27/2026 before the maintenance
- Khalia: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
- Mev & Evie: 05/01/2026 18:00 (UTC) – 05/27/2026 before the maintenance
- Chloe: 05/03/2026 18:00 (UTC) – 05/27/2026 before the maintenance
- Act of Atonement: 05/05/2026 18:00 (UTC) – 05/27/2026 before the maintenance

2) Limited-Time Achievement Rewards
• Limited-time achievements that can be completed during the [Shadow Under the Willow] event are available.

■ Virtual Tactical Simulation Event – [Heidemarie] Now Live
- During the Rate-Up period for the new Combatant [Heidemarie], you can experience Combatants Heidemarie, Selena, and Nia through the Virtual Tactical Simulation Event.
- You can play the trial stage using fixed Save Data that includes the trial Combatant.
1) Schedule: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
2) Rewards 

■ Event – [SS Edenity Patrol Operation] Now Live

- Help the Citizens of the SS Edenity and Heidemarie and earn rewards by achieving popularity milestones.
1) Schedule: 04/29/2026 after the maintenance – 06/17/2026 before the maintenance
2) Progression Details 
- Obtain dice daily from the Event page to progress the [SS Edenity Patrol Operation].
- Use dice to travel to an Area, then complete missions with Heidemarie to earn various rewards.
3) Completion Rewards

 
4) Limited-Time Achievement Rewards
• Limited-time achievements achievable during the [SS Edenity Patrol Operation] will be available.

■ Event – [Chaos Sortie Operation] Now Live


- The  [Chaos Sortie Operation]event, where you can play the new content [Sortie] and earn rewards, will be held.
- Missions are counted based on [Infiltrate Count] for Sortie, regardless of Difficulty Level.
- Rewards can be claimed at 1, 3, and 5 infiltrations.
1) Schedule:04/29/2026 after the maintenance – 05/27/2026 before the maintenance
2) Rewards

 

■ Event – [Overdrive - Simulation] Now Live
- The [Overdrive - Simulation] event will be held, offering double Growth Currency each day.
- You can earn double simulation rewards up to 6 times each day.
• These opportunities reset daily at 18:00 (UTC) during the event period.
1) Schedule:04/29/2026 after the maintenance – 05/06/2026 18:00 (UTC)
 

■ Event – [Overdrive - Memory Fragment] Now Live
- The [Overdrive - Memory Fragment] event will be held, offering double Memory Fragment rewards each day.
- You can earn double Memory Fragment rewards twice per day.
• These opportunities reset daily at 18:00 (UTC) during the event period.
1) Schedule:05/13/2026 18:00 (UTC) – 05/20/2026 18:00 (UTC)
 
 
■ New Check-in Event – [Melody's Trail] Now Live

- To celebrate Galactic Disaster Season 3, a daily login event will be held where rewards can be claimed each day.
1) Schedule:04/29/2026 after the maintenance – 05/27/2026 18:00 (UTC)
2) Rewards

■ Special Signal Selective Rescue Added



- The New Captain Support Special Rescue Request will end, and the Special Signal Selective Rescue will be added.
- The New Captain Support Special Rescue Request is available to all Protos regardless of whether they participated in the event.
- The Special Signal Selective Rescue is provided free of charge and allows you to retry "Rescue 10 times" up to 19 times, letting you save preferred results and make a final selection during the Rescue process. (Up to 2 entries can be saved, and saved entries can be replaced with new entries until the final selection is made.)
- In the Special Signal Selective Rescue, one 5★ target is guaranteed to appear, and no more than one 5★ target can appear.
• Please refer to the table below for the 5★ target Combatants that appear.
- Once you confirm and acquire the Rescue results, the Special Signal Selective Rescue banner will disappear.
Duration: 04/29/2026 after the maintenance – Ends when Rescue records are confirmed.

■ Basin of Hyperspace Opens
- [Basin of Hyperspace: Dimensional Twilight] will open.
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 an Attack Card is Drawn, 1 Morale for 1 turn
- Schedule: 04/29/2026 after the maintenance – 05/27/2026 before the maintenance
 
 
■ Arkhianon Supply Mission Added
- New Missions will be added to Arkhianon Supply.

 
 
■ Chaos Improvements - [Command Delegation Mode] Update


- To offer Protos a faster way to play Chaos, [Command Delegation Mode] will be introduced.
1) Applicable Content
• Chaos Manifestation/Seasonal Chaos
: [Command Delegation Mode] can be used in any Chaos that you’ve already cleared at least once. 
: [Command Delegation Mode] can also be used at difficulty levels below your highest cleared difficulty.
• Codex
: [Command Delegation Mode] can only be used in any Chaos at levels you have already cleared once.
: [Command Delegation Mode] can also be used at difficulty levels below your highest cleared difficulty.
: Ex) After clearing The Blue Pot Level 7, [Command Delegation Mode] can be used in Laboratory 0 Level 7.
• Clear information is not shared between Chaos Manifestation/Seasonal Chaos and Codex.
2) Progression Details
• Using the new currency [Command Delegation Module], provided once daily for free.
* Daily free usage opportunity resets every day and does not carry over if unused.
* [Command Delegation Module] will not be refunded upon battle failure.
• When entering Chaos with [Command Delegation Mode], each route will be simplified into a single path. (Including Dimensional Tunnel)
• All battles in Chaos will be skipped.
• Rewards can still be viewed, and Unidentified Areas and Shops will remain available.
• Codex effects and Upgrades, as well as Environment Variable effects, will be applied.
3) Time-Limited Command Delegation Modules

• Time-Limited Command Delegation Modules will be added.
• Time-Limited Command Delegation Modules can be used for a limited period after acquisition.
• You can check the expiration of Time-Limited Command Delegation Modules in the Storage.
• Unused Time-Limited Command Delegation Modules will be removed after expiration.
• Time-Limited Command Delegation Modules with the same expiration time will be grouped as a single item on the earliest expiration.
• When used, the item with the earliest expiration will be consumed first.

■ Changes to how Save Data is recorded
- The maximum number of Card Duplication copies will be changed from 4 to 3.
- This change is to address the situation where players feel forced to use Duplication editing items during their strategic play, and as such, the maximum number of available Duplications within a Chaos will be adjusted to 3.

■ Season 3 Combatant Balance Adjustments
- To provide Protos with a wider variety of combat experiences, balance adjustments will be implemented.
 
[Balance Adjustment Target]
• Combatants

 
• Combat Effects

- Check detailed information at the link below.

 
■ New Memory Fragments Added
- Two New Memory Fragments will be added.

- The maximum storage for Memory Fragments will be increased.
• Before: 600
• After: 800
 
 

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

[Half-Anniversary Ticket] Added
- A new package that allows you to obtain rewards based on check-ins after purchase will be added.
* The sales and reward claim periods of the Half-Anniversary Ticket will be updated after the 05/27/2026 maintenance.
Sales Period: Until 06/16/2026 18:00 (UTC)
Reward Claim Period: Until 06/26/2026 18:00 (UTC)

 
 
[Tactical Asset Monthly Supply] Added
- A new package [Tactical Asset Monthly Supply] will be added.

- This product can be repurchased for up to 180 days.
- Paid Crystal will be delivered via mail, and other benefits will be applied immediately upon purchase.
- Core of Potential [Monthly Supply Benefit] and Core of Annihilation [Monthly Supply Benefit] will be available for 30 days from the purchase date, and any unused Core of Potential [Monthly Supply Benefit] and Core of Annihilation [Monthly Supply Benefit] will expire after the period ends.
- Command Delegation Module [Daily Free Charge Max Increase] does not carry over if unused.
- [Black Mass Acquisition Increase] applies only to Black Mass obtained from Sortie content.
- [Codex Merge Cost Discount] applies a 20% discount to both Gold and Chaos Orbs consumed during Codex merging.
- [Codex Merge Cost Discount] applies a 20% discount to both Units and Chaos Orbs consumed during Codex merging.
- When repurchasing the Tactical Asset Package, Crystal (Paid), Core of Potential [Monthly Supply Benefit], and Core of Annihilation [Monthly Supply Benefit] will be granted immediately, while the duration of other benefits will be extended.

■ Story and In-Game Control UI/UX Improvements
- To improve exploration flow and story immersion for Protos, the auto-proceed and speed control UI will be integrated into a more intuitive icon format.
- Auto-Proceed and Speed Control System Overhaul
• The existing text-based notation (xN) will be replaced with an "icon rotation" system for improved usability.
• Integrated Control: Separate speed setting options (x1-x3) will be removed, and functions will cycle when tapping the speed icon.
• Operation Stages: Auto-Proceed OFF/Auto-Proceed ON (applies existing x1 speed Auto-Proceed)/Speed Auto-Proceed ON (applies existing x3 speed)
• Speed Optimization: Speed stages will be simplified to 2 levels to reduce unnecessary operations and improve visibility.
- Unidentified Area Speed Improvements: Entry animation speed will be improved, and the dialogue skip speed will be adjusted.
- Skip Story Button Improvements
• The top screen UI will be simplified to minimize distuption to story immersion.
• Design Change: The "Skip" text will be replaced with a new dedicated skip icon.
• UI Reorganization: The top button layout will be adjusted to [Auto Speed Proceed/Skip/Quick Menu].
- Chaos Exploration UI Improvements
• Elements blocking the screen during Chaos progression will be minimized, and control buttons will be integrated into the top UI.
• Top Icon Integration: The auto speed button will be moved to the top as an icon.
• Unnecessary Element Removal: The [Auto-Combat Lock] icon will be removed during Chaos progression.
• Button Layout: The top layout will be reorganized to [Auto Speed Proceed/Quick Menu].
• Other Content: In Normal Battle content such as Simulation, Spiral Tower of Screams, and Nebula Distortion, the existing auto-combat ON/OFF toggle method will be maintained.
 
■ Story and Trauma Code [Battle Mission] Formation Save Feature Improvements
- Battle Missions that include trial Combatants will be improved to save the Captain's team formation and maintain it across Battle Missions.
1) Team Formation Save and Retention 
• When switching to "My Characters" in battles with trial characters, the selected formation will be saved and automatically applied in the next battle. 
• If the formation has never been changed in Missions, the default setup with [Trial Characters] will be maintained.
2) Save Units
• Story Battle Missions: Formation will be saved for each "Chapter".
• Trauma Code: Formation will be saved for each "Character Story"

■ Season 3: Seasonal Power Improvements
- Persona Cards/Engraving Acquisition UI Improvements
• The "Claim Reward" button, previously located at the very bottom, will now be moved to the top.
- Persona Cards Improvements
• Attack and Skill Card images, which were all identical and difficult to distinguish, will be updated with distinct illustrations for each type.
• An issue where text would shrink when Engraving Persona Cards will be fixed.
• A [Skip] button will be added when obtaining Persona Cards for the first time.
• The Persona Card acquisition will be updated to include an additional step: [Select] -> [Obtain].
: This is to prevent accidentally obtaining a Persona Card for an unintended Combatant when viewing card details, a selection step will now be required obtaining.
• In the Persona Card Engraving effects application window, Combatants with matching class but incompatible Engraving type will now be clearly distinguished.

- Persona Battle Area Guide System
• Each time you advance to the next Area, the max number of "Persona Battle Areas" you can visit at each fork will be displayed.
- New Equipment Engraving Effects Added
• 1 Lux Engraving and Umbra Engraving have been added.
: At the start of a turn, if there is a linked card, 1 Resonance to a random enemy
: When a card of this unit is Exhausted from the Graveyard through an ability, +1% Damage Amount to ally Attack Cards (max 25%)
- 6 New Persona Cards Introduced.
• The 6 Persona Cards that were previously viewable in the Archive menu will now appear in Chaos.

 
 
■ Improvements
[QoL Improvements]
- Simulation Combat Training difficulty unlock conditions will be improved to be shared across categories.
• Categories with linked difficulty: Growth/Combatants/Partners/Potential/Memory Fragments
• Categories without linked difficulty: Challenges
- Codex level will now increase when clearing Seasonal Chaos.
- When using the share button on PC, screenshots will now be saved immediately to an internal folder. 
* Social Media navigation buttons will not be available on PC.
 
[Other]
- An issue where NPC speech bubbles appeared in unintended locations in some Unidentified Areas will be fixed.
- Ambient map sound will be added to Unidentified Area [King of Sand Tombs].
- Ambient map sound will be added to the boss map of Chaos [The Blue Pot].
- In Trauma Code,  Unlock Conditions for other Branch Choices will be relaxed so they become available after clearing 1 connected branch ending.
- The Simulation tutorial will be improved.
- When using a Combatant's Ego Skill while paired with a Partner, the paired Combatant's skill dialogue and voice lines will now be played. 
• Support for paired Combatant skill dialogue and voice lines will begin with Heidemarie's Partner Sylvia, and will be added for future Partners.
• For Combatants without paired skill dialogue and voice lines, a Cheer voice line will be played instead.
- An issue where related rewards did not appear when defeating the Interior Boss in Chaos, where Save Data cannot be obtained, will be fixed.
- The account level requirement has been removed for unlocking Seasonal Chaos difficulties 1–3.
- Nia > The English name for “Soul Rip” will be changed.
• Before: Soul Rip
• After: Soul Riff
- The card description for Maribell’s fifth Epiphany in Wolves’ Dome will be improved for better clarity.
- The card description for Nia’s third Epiphany in G Chord will be improved for better clarity.




■ Bug Fixes

[Combat-Related Bug Fixes]
- An issue where Damage Amounts were missing from the combat log when attacking Shockwave targets with Persona Card 1 will be fixed.
- An issue where the "Activate this card when discarded" Engraving effect on Persona Cards was not functioning properly will be fixed.
- An issue where Forbidden Cards were not displayed in the Duplicate Card list in Unidentified Area > Heart of the Ore Vein (Rare) will be fixed.
- The description of Diana's "C'mere, Milk & Pong" 3rd Epiphany will be updated for clarity.
• [Before] Change random 0-cost Exhaust cards in hand into random Heart Bullets
• [After] Change all 0-cost Exhaust cards in hand to random Heart Bullets
- Nine > An issue where the creation of the “Hew” card is delayed by 1 turn during Combat under certain conditions will be fixed.
 
[Other]
- Text that was incorrectly displayed as "Extra Damage" in some Combatants' Ego Manifestation, instead of "Extra Attack", will be fixed
- An issue where the Ego Manifestation UI was incorrectly displayed in certain situations will be fixed.
- An issue where the text position was displayed incorrectly when Medal progress reached 100% will be fixed.
- Inconsistent notation in Haru's "Charge Energy" Epiphany card description ("Attack Card/Attack Card") will be corrected.
- An issue where the Lobby background music played while the app was running in the background under certain conditions will be fixed.
- Scroll position will now be maintained when returning to the previous screen after viewing Save Data in the Dismantle Save Data screen.
- Nia's special Lobby "Thoughts of That Day" will be added to the ID Card editing options.
- An issue where Combat > Remaining Turns was displayed incorrectly when it exceeded three digits will be fixed.
- An issue where the scrollbar UI did not display properly in Operation: Firebreak > Save Data Transfer screen will be fixed.
- An issue where pressing the ESC key on the keyboard while selecting Epiphany effects in Save Data editing caused a black screen will be fixed.
- An issue where the ”New” indicator would not disappear after checking all nodes in Missions > Story will be fixed.
- An issue where shortcuts would not function when shortcut display was set to Off in the PC client will be fixed.

Thank you.