09/30 (Wed) Update Notice (Added on 09/30 1:23)
Zero Out All Despair!
Hello, this is the Chaos Zero Nightmare Team
Below are the details of the 09/30 (Wed) update.
You will be able to view these updates in-game after the maintenance.
Please see below for more details.
■ Changes
- Corrected the image for the Nightmare Carnival Countdown Check-in
■ Galactic Disaster Season 4: [Shattered Light and Claw] Ends
- Galactic Disaster [Shattered Light and Claw] will come to an end.
- With the Galactic Disaster [Shattered Light and Claw] season coming to an end, the story will be moved into Act 5.
- You can proceed with the Act 5 story after clearing Act 1, Chapter 5, Episode 5 [Epilogue].
→ Story progress completed during the Galactic Disaster season will be retained.
- The Chaos [Kaleidoscope Hatchery] from the Galactic Disaster [Shattered Light and Claw] season will be added to the Merge Codices list.
→ Exploration progress and rewards earned during the Galactic Disaster season will be retained.
→ [Desire Areas] will appear in Codex entries with the [Shattered Light and Claw] Unique Option applied.
→ Clearing a Codex with the [Shattered Light and Claw] Unique Option will allow you to obtain [Shattered Light and Claw Season Save Data].
→ When Merging Codices, for Seasonal Chaos, Unique Options from other seasons cannot be selected.
- The amount of Seasonal Currency [Enrapturing Crystal] and environment variable upgrade currency [Memory of Light] in possession will be removed.
- Galaxy Medals obtained in Galactic Disaster Season 4: Shattered Light and Claw will be moved to the display case in the account profile.
■ Backup Protocol: Galactic Disaster Season 4 Entry Added
- As Galactic Disaster Season 4 [Shattered Light and Claw] will come to an end, a Season 4 [Shattered Light and Claw] entry will be added to the Zero System's Backup Protocol.
◆ Backup Protocol: Season 4 [Shattered Light and Claw] Restorable Skills (8 total)
- Restore [Latent Code Manifestation] at the center of the node first, then restore the remaining 7.
| Node Name | Node Effect |
| Latent Code Manifestation | Desire Cards appear in the Dellang Shop in Chaos with the [Shattered Light and Claw] option applied (excluding Desire: Survival) |
| Radiance Emergence Correction | Increase the chance for Seasonal Equipment and Cards to appear in the [Kaleidoscope Hatchery] Chaos |
| Desire Coordinate Proliferation | Additional Refracted Desire Area appearances in Chaos with the [Shattered Light and Claw] option applied |
| Randomness Refraction Calculation | Increase Dice Roll effect in the [Kaleidoscope Hatchery] Chaos |
| Desire Incubation Protocol | Additional appearance of [Trail of the Husk] in one Normal Battle Area or Unidentified Area of the [Kaleidoscope Hatchery] Chaos Outskirts [Trail of the Husk]: Through the Aavarck's Husk Event, you can obtain a random [Survival] Desire Card and unlock a choice to change the Chaos Interior Boss to Aavarck. |
| Kaleidoscope Rearrangement | Increase Dellang Shop Refresh count in Chaos with the [Shattered Light and Claw] option applied |
| Opposite Side of the Divide Opening | An additional event, Pio's Desire, occurs in the Unidentified Area [Wrong Answer Log] of the [Kaleidoscope Hatchery] Chaos Interior. [Pio's Desire]: An Interaction Event that unlocks access to [Core of Discord]. |
| Rare Vein Synchronization | Increase chance for a Rare Unidentified Area to appear in the [Kaleidoscope Hatchery] Chaos. |
- Progress on Season 4 Environment Variables does not carry over to the Backup Protocol and will start unrestored.
■ Galactic Disaster Season 5: [A Promise Upon the Snow] Chapter 0 Begins
◆ New Story
→ Galactic Disaster Season 5, Chapter 0, [Escape from Judgment] will be revealed.
→ During the preview period for Season 5 [A Promise Upon the Snow], you can enjoy Chapter 0's story in advance.
▸ Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
▸ Unlock Condition: Reach Captain Level 35
◆ How to Access
- You can view the Story by pressing [View Story] on the event page.
* After the event ends, it will be incorporated into the Galactic Disaster Season 5: A Promise Upon the Snow Story.
■ Combatant [Sereniel] & Partner [Peko] Seasonal Rescue Rate-Up
_CZN_Sereniel--Peko_Pickup-Probability-Increase-Banner-(Usage)_1920x1080_EN.jpg)
- A Seasonal Rescue Rate-Up Event will take place where you can meet Seasonal Combatant [Sereniel] and Partner [Peko] once again.
→ Rate-Up Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
▸ The Sereniel & Peko Seasonal Rescue Rate-Up does not share guaranteed acquisition count with the Narja & Gaya Rescue Rate-Up.
▸ The Seasonal Rescue Rate-Up can be conducted using Signal Amplification Anchors.
→ Rescues accumulated in previous Rate-Ups (excluding Normal Rescue) will carry over to Seasonal Rate-Up Rescues
→ All events that fall under ‘Combatant Rate-Up Events’ share and accumulate the ★5 pity count.
→ Memory Codes and Partners sold in the Combatant Memory Archive will only be available during the Seasonal Rate-Up period. The purchase count for previous purchases will not be reset.
■ New 4-Star Combatant [Anika] Update
- A new 4-star Combatant [Anika], a sub-DPS who supports Ravage, will be added.
- New Combatant [Anika] will appear as a 4-star Rate-Up target in the [Sereniel] Seasonal Rescue Rate-Up.
- Anika's Unigram Messenger Story will be added.
- The new Combatant [Anika] will appear as a 4-star Rate-Up target in the [Sereniel] Seasonal Rescue Rate-Up, and will also be available in the Normal Combatant Rescue and Normal Partner Rescue.
- The Prism Module for the new Combatant, ‘Anika’ has been added.
_CZN_Character-Card_Anika-(Usage)_EN.jpg)
| Criteria | Attack | Defense | HP | Critical Chance | Critical Damage |
| Level 1 Potential Stage 0 Ego Manifestation Stage 0 Affinity Level 1 | 148 | 42 | 83 | 3% | 125% |
| Level 60 Potential Stage 7 Ego Manifestation Stage 6 Affinity Level 40 | 444 | 176 | 420 | 13% | 137% |
- The English notation for the [Shockwave] debuff that was introduced in Season 3 will be changed to [Aftershock].
- Anika's [Shockwave] is being introduced as an entirely different effect.
| Name | Default Effect | Cost | Epiphany Status | |
| Starting Card | Blaster Swing | 100% Damage | 1 | X |
| Blaster Swing | 100% Damage | 1 | X | |
| Hold Position | 100% Shield | 1 | X | |
| Ignition Slash | [Lead] 400% Damage, 2 Tenacity Damage Efficiency: Gain 1 AP | 2 | O | |
| Epiphany Card | Shock Gun | [Bullet/Lead] 150% Damage, 1 Shockwave Efficiency: 1 Tenacity Damage | 1 | O |
| Reloading | [Finale] At the start of the next turn, Draw 2 Lead cards of this unit | 0 | O | |
| Warming Up | [Lead/Retain] For 1 turn, decrease Cost of the next card of this unit activated by 1 Efficiency: Draw 1 Lead Attack Card of this unit | 1 | O | |
| Rampage Trigger | [Weakness Attack] 100% Damage * 4 Destroy: +100% Damage Amount | 2 | X | |
| Exclusive Effect | Stampede | +5% Damage Amount to ally Attack Cards and apply 2x that amount for Anika. At the end of the turn, remove effect (max 5 stacks) | ||
| Shockwave | For 1 turn, increase Tenacity Damage taken of the target by 2x, and if in a Ravage state, +50% Damage Amount taken | |||
| Hand Lock | For 1 turn, cannot move or Draw cards to hand (except for Turn Draw) | |||
| Ego Skill | Buffalo Dive | 250% Damage to all enemies, 2 Tenacity Damage | EP5 | |
| Ego Manifestation | Sleeping Memory | The following effect is added to Rampage Trigger: On Ravage, move from Draw Pile to hand. | ||
| Awakening Memory | When allies activate a Lead card, gain 1 Next Turn Stampede, and when allies activate a Finale card, gain 2 Next Turn Stampede. Stampede: +5% Damage Amount to ally Attack Cards and apply 2x that amount for Anika. At the end of the turn, remove effect (max 5 stacks) | |||
| Vivid Memory | Increase the level of [Basic Card Upgrade], [Signature Card Upgrade], and [Common Card Upgrade] in Potentials by 3. | |||
| Inner Memory | For Buffalo Dive, +50% Damage Amount and increase Tenacity Damage by 1. | |||
| Complete Memory | Increase the level of [Basic Card Upgrade], [Signature Card Upgrade], and [Common Card Upgrade] in Potentials by 3. | |||
| Liberated Memory | On Ravage by allies, gain 2 Stampede and 1 AP (1 time per turn). |
◆ Epiphany Effect per Card
| Card | Epiphany Effects | Cost |
| Ignition Slash | [Lead/Weakness Attack] 550% Damage, 2 Tenacity Damage Efficiency: Gain 1 AP | 2 |
| [Lead] 450% Damage, 2 Tenacity Damage Ravage: Gain 2 AP | 2 | |
| [Lead] 500% Damage, 2 Tenacity Damage +80% Damage Amount for each Lead card in All Piles | 3 | |
| [Lead/Retain] 400% Damage, Gain 1 AP Efficiency: Draw 1 2-Cost or higher card, then Retain that card for 1 turn | 2 | |
| [Unique/Initiation] When a Basic Attack Card is activated, 100% Coordinated Attack and 1 Tenacity Damage to the target | 1 | |
| Shock Gun | [Bullet/Lead] 220% Damage, 1 Shockwave Efficiency: 2 Tenacity Damage | 1 |
| [Bullet/Lead] 200% Damage to all enemies, 1 Shockwave Efficiency: 1 Tenacity Damage | 2 | |
| [Bullet/Combo] 150% Damage, 2 Tenacity Damage | 1 | |
| [Lead/Exhaust] 3 Shockwave | 2 | |
| [Bullet/Lead] 200% Damage Each Bullet card in hand has a 50% chance to have its Cost decreased by 1 for 1 turn or until activated | 1 | |
| Reloading | [Finale] At the start of the next turn, Draw 2 Lead cards | 0 |
| [Finale] At the start of the next turn, Draw 2 Lead cards of this unit, then decrease Cost of those cards by 1 for 1 turn or until activated | 0 | |
| [Finale] For each Lead card in hand at the end of the turn, Draw a Lead card next turn | 1 | |
| [Finale] At the start of the next turn, Draw 1 Lead card On Ravage, move to hand | 0 | |
| [Finale] At the start of the next turn, Draw 5 cards of this unit, then Hand Lock for 1 turn | 0 | |
| Warming Up | [Lead/Retain] For 1 turn, decrease Cost of the next card of this unit activated by 2 Efficiency: Draw 1 Lead Attack Card of this unit | 1 |
| [Lead/Retain] For 1 turn, increase Damage Amount of next base 2-Cost or higher Attack Card of this unit activated by 50% Efficiency: Apply 2x the effect | 1 | |
| [Lead/Retain] For 1 turn, decrease Cost of the next card of this unit activated by 1 Retain: Draw 1 Lead card of this unit | 1 | |
| [Lead/Retain] For 1 turn, increase Damage Amount of Attack Cards by 25% for each Attack Card of this unit in hand Efficiency: For 1 turn, decrease Cost of Attack Cards of this unit in hand by 1 | 2 | |
| [Unique/Lead] For 1 turn, for each ally, decrease Cost of the next Lead card activated by that ally by 1 | 1 |
■ Combatant [Nine] & Partner [Alcea] Normal Rescue Rate-Up
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- A Normal Rescue Rate-Up Event where you can meet Combatant [Nine] and Partner [Alcea] will be held.
◆ Rate-Up Schedule: 10/13/2026 18:00 (UTC) – 11/03/2026 18:00 (UTC)
▸ The Nine & Alcea Normal Rescue Rate-Up does not share guaranteed acquisition count with the Sereniel & Peko Seasonal Rescue Rate-Up.
▸ Rescues under "Normal Combatant Rate-Up" share their guaranteed acquisition count.
▸ Rescues under "Normal Partner Rate-Up" share their guaranteed acquisition count.
▸ Normal Rescue Rate-Up can be conducted using Signal Amplification Anchors.
■ Combatant [Sereniel] & Partner [Peko] Balance Adjustments
- Balance adjustments for [Sereniel] and [Peko] will be applied.
→You can check the details via the link below.
▸ View Balance Adjustment Details
■ System - [Growth Guide] Improvements and Additions
- To help Protos with early-game growth, the Growth Guide Chapters 1–10 missions and rewards will be improved.
◆ Existing Growth Guide Missions and Reward Improvements
→ The quantity and types of Account EXP and Growth Currency rewards for some missions will be increased.
→ Achievement Conditions for some missions will be changed.
→ One new guide will be added to [3. The Leader's Principle].
→ Previously completed missions will remain completed.
→ If you have already met the updated conditions for any previously incomplete missions, they will automatically be marked as complete and you will be able to claim their rewards.
→ For previously completed missions whose rewards have changed, the difference will be delivered to you via in-game mail.
◆ New Mission Tabs Added
→ 6 new Mission tabs will be added, and additional rewards can be obtained when completing missions.
→ Each Mission tab is activated when meeting specific conditions.
▸ Condition 1: Complete Chapter 3 Promotion Missions
▸ Condition 2: Complete Chapter 4 Promotion Missions and the Prerequisite Missions tab
→ As the total Account EXP provided by the Growth Guide increases, the Account EXP granted by Galactic Disaster Story nodes and combat missions will be adjusted.
→ The Account EXP Rewards granted from Story and Battle Missions in Galactic Disaster Season 1 [Forbidden Catalyst] – Season 4 [Shattered Light and Claw] will be changed to 100.
▸ The total Account EXP gained from the Growth Guide improvements exceeds the reduction from the Galactic Disaster EXP adjustment, resulting in faster Account level progression.
■ System - [Aether Cell] Update
- The new item [Aether Cell] will be added, and the additional Aether Charge feature will be updated.
→ When Aether reaches its maximum capacity, "Aether Cells" will begin charging automatically.
→ Aether Cells can be used in the Recharge Aether popup and are exchanged for Aether at a 1:1 ratio.
→ The automatic charge rate is 1 per 18 minutes, up to a maximum of 2,400.
■ Content – [Full-Scale Offensive] Improvements
- The Full-Scale Offensive UI will be revamped and a feature to more conveniently manage formations per Boss will be added.
◆ All Team Formation Feature Added
→ An [All Team Formation] feature will be added, allowing you to manage team formations for all 3 Full-Scale Offensive Bosses from a single screen.
→ This also supports individual resets per Boss and full resets.
* The formation used in battle is locked and can only be changed after a reset.
◆ Clear Formation Feature Improvements
→ All 3 clear formations can now be viewed and managed on a single screen.
◆ 9★ Collection Count Added
→ A 9★ Collection Count will be added, allowing you to check how many seasons you have collected all 9 ★ (stars) in the Full-Scale Offensive.
◆ Achievements and Rewards Added
→ The Achievement "With Full Force" will be added.
▸ Acquisition Condition: Collect 9 stars in a single Full-Scale Offensive season
▸ Acquisition Reward: Full-Scale Offensive Exclusive Sticker
* Tracking for the 9-star collection achievement will begin, starting with the season that begins after the maintenance.
◆ Combat Improvements
→ The turn limit for each Boss battle will be changed from 10 turns to 8 turns, and the Bonus Score items for achieving additional mechanic objectives will be removed.
◆ Other Improvements
→ The name of the item previously displayed as [Difficulty Score] will be changed to [Bonus Score].
■ Content – [Full-Scale Offensive] New Season
- A total of 3 bosses will appear, and you can progress 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 formation status of Combatants who participated in battles.
◆ Schedule: 09/30/2026 after the maintenance – 11/11/2026 before the maintenance
◆ Unlock Condition: Captain Level 40
◆ Rewards
→ You can earn stars by achieving the target score in battle. (Up to 3 per battle)
→ Rewards are assigned for each star earned, and you can earn up to 9 stars.
■ Content – [Basin of Hyperspace] New Areas Open and Improvements
- [Basin of Hyperspace: Dimensional Twilight] will open.
◆ Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
- Battles will take place from 1st Basin to 8th Basin.
◆ Support Effects
| Keyword | Effect |
| Ravage | · +30% Damage Amount to Instinct Card · On Ravage 2 times, +50% Damage Amount to 0-Cost Attack Cards for 2 turns |
| Apply Harmful Effects | · +30% Instinct Damage Amount · When harmful effects are applied through cards 3 times, +50% DoT Amount |
| Morale | · +15% Attack Card Damage Amount · When 5 cards are created, 4 Morale for 2 turns |
- The clear conditions for each floor of the Basin of Hyperspace will be changed.
| Basin | Before | After |
| 1 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 12 turn(s) Clear stage within 10 turn(s) |
| 2 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 12 turn(s) Clear stage within 10 turn(s) |
| 3 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 12 turn(s) Clear stage within 10 turn(s) |
| 4 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 12 turn(s) Clear stage within 10 turn(s) |
| 5 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 10 turn(s) Clear stage within 8 turn(s) |
| 6 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 10 turn(s) Clear stage within 8 turn(s) |
| 7 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) | Clear stage Clear stage within 10 turn(s) Clear stage within 8 turn(s) |
| 8 | Clear stage Clear stage within 14 turn(s) Clear stage within 12 turn(s) Clear stage within 10 turn(s) Clear stage within 8 turn(s) | Clear stage Clear stage within 12 turn(s) Clear stage within 10 turn(s) Clear stage within 8 turn(s) Clear stage within 6 turn(s) |
■ Event - [Guardian Angel's Vacation]
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- Sereniel, the Chief of the Ark Protection Bureau, has invited the Captain on a special vacation.
- Follow the story to experience firsthand the unique armaments that earned her the title of Guardian Angel, and earn a variety of rewards.
◆ Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
◆ Limited-Time Achievement Rewards
| Chapter | Trial/Strategy | Reward |
| Vacation Day 1 | Trial: Clear Homing Laser | Crystal x30, Premium Hunter Manual x2 |
| Trial: Clear Shining Core | Crystal x30, Premium Hunter Certificate x2 | |
| Strategy: Clear Bercula | Crystal x30, Premium Growth Stone of Instinct x6 | |
| Clear All Missions on Vacation Day 1 | Prism Lens x2, Forbidden Catalyst Yuki Sticker x1 | |
| Vacation Day 2 | Trial: Clear Plasma Missile | Crystal x30, Premium Hunter Manual x3 |
| Trial: Clear Cobalt Light | Crystal x30, Premium Hunter Certificate x3 | |
| Strategy: Clear Formica | Crystal x30, Premium Growth Stone of Instinct x8 | |
| Clear All Missions on Vacation Day 2 | Abyssal Core x2, Forbidden Catalyst Chizuru Sticker x1 | |
| Vacation Day 3 | Trial: Clear Pale Shooting Star | Crystal x30, Premium Hunter Manual x3 |
| Trial: Clear Death Halo & Peko | Crystal x30, Premium Hunter Certificate x3 | |
| Strategy: Clear Wanderer Formica | Crystal x30, Premium Growth Stone of Instinct x8 | |
| Clear All Missions on Vacation Day 3 | Core of Mutation x1, Forbidden Catalyst Sereniel Sticker x1 | |
| Achieve All Limited-Time Objectives | Core of the Reverse x1 |
- Stickers already obtained will not be given again.
■ Event - [Memoirs of the Ark Protection Bureau Chief]
- The Memoirs of Combatant [Sereniel] will resume.
- One new memoir can be read per day, and each memoir includes 3 missions that provide rewards.
- After claiming all mission rewards, you can check the security message.
◆ Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
▸ Daily missions open during the Event period. (Daily at 18:00 UTC)
▸ You can acquire rewards by completing missions that unlock by date on the event page.
| Day | Mission | Reward |
| Day 1 | Log In (1 time) | Crystal x60 |
| Proceed with a Policy (2 times) | Premium Hunter Manual x4 | |
| Dine at the Starshine Diner (1 time) | Premium Hunter Certificate x4 | |
| Day 2 | Use Aether (100) | Premium Growth Stone of Instinct x4 |
| Go on an Excursion (2 times) | Abyssal Core x2 | |
| Send a present (1 time) | Crystal x60 | |
| Day 3 | Proceed with a Simulation (3 times) | Premium Hunter Manual x4 |
| Defeat monsters (30 times) | Premium Hunter Certificate x4 | |
| Defeat Invaders (10 times) | Crystal x60 | |
| Day 4 | Use Aether (200) | Abyssal Core x2 |
| Use the Garden Café (1 time) | Premium Growth Stone of Instinct x4 | |
| Go on an Excursion (4 times) | Crystal x60 | |
| Day 5 | Use Aether (250) | Premium Growth Stone of Instinct x4 |
| Dismantle a Memory Fragment (2 times) | Prism Lens x1 | |
| Craft a Memory Fragment (2 times) | Crystal x60 | |
| Day 6 | Use Aether (300) | Premium Growth Stone of Instinct x6 |
| Upgrade a Memory Fragment (Level 3, 3 times) | Abyssal Core x2 | |
| Upgrade a Memory Fragment (Level 5, 1 time) | Crystal x60 | |
| Day 7 | Dine at the Starshine Diner (2 times) | Premium Growth Stone of Instinct x6 |
| Complete Chaos (1 time) | Prism Lens x1 | |
| Conduct Counseling at the Epione Center (1 time) | Crystal x120 |
■ Event – Virtual Tactical Simulation [Sereniel, Nine]
- During the Rate-Up period for Combatants [Sereniel] and [Nine], you can experience the Combatants [Sereniel] and [Nine] through the Virtual Tactical Simulation Event.
- During the Rate-Up period for [Sereniel], you can experience the new Combatant [Anika] through the Virtual Tactical Simulation.
- You can play the trial stage using fixed Save Data that includes the trial Combatants.
◆ Sereniel: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
◆ Nine: 10/13/2026 18:00 (UTC) - 11/03/2026 18:00 (UTC)
■ Event – [Overdrive - Simulation]
- The [Overdrive - Simulation] event, which allows you to earn double simulation rewards every day, will be held.
- You can earn double simulation rewards up to 6 times per day.
→ These opportunities reset daily at 18:00 (UTC) during the event period.
◆ Schedule: 09/30/2026 after the maintenance – 10/06/2026 18:00 (UTC)
■ Returning Player Event – [Ark City Welcome Festival]
- A new returning player event, [Ark City Welcome Festival], will be held for Protos who have returned to Chaos Zero Nightmare.
- As the new returning player event begins, the existing returning player events [Grand Welcome Check-In] and [Abundant Return Gift] will come to an end.
- Protos who are already participating in [Grand Welcome Check-In] and [Abundant Return Gift] will be able to continue the existing events after the 09/30 maintenance ends.
◆ Schedule: Day of return – 15 days after return 18:00 (UTC)
◆ Participation Requirements
→ Protos who have not logged in for at least 14 days since their last login
→ Protos with Account Level 10 or above
→ Protos whose last participation in a Return Event was over 40 days ago
◆ Rewards
→ Visit the Festival
▸ Log in every day during the event period to earn rewards.
| Day | Reward |
| 1 | Crystal x200 |
| 2 | Rescue Anchor x1 |
| 3 | Crystal x200 |
| 4 | Rescue Anchor x1 |
| 5 | Crystal x300 |
| 6 | Rescue Anchor x1 |
| 7 | Crystal x500 |
→ Grand Festival
▸ Complete missions during the event period to earn various rewards.
| Mission | Reward |
| Use 300 Aether | Premium Battle Memory x40, Premium Support Data x20 |
| Use 900 Aether | Premium Battle Memory x60, Premium Support Data x30 |
| Use 1,500 Aether | Premium Battle Memory x80, Premium Support Data x40 |
| Complete Challenges in Simulation 1 time | Universal Tactical Certificate x72, Universal Support Certificate x72 |
| Complete Challenges in Simulation 3 times | Universal Tactical Certificate x72, Universal Support Certificate x72 |
| Complete Chaos 1 time | Colorless Core x6, Unit x30,000 |
| Complete Chaos 3 times | Abyssal Core x3, Unit x30,000 |
| Complete Sortie 1 time | Abyssal Core x3, Unit x30,000 |
| Complete Sortie 2 times | Core of Potential x1, Unit x30,000 |
| Order coffee at the café 1 time | Potential Disk x72, Unit x30,000 |
| Order coffee at the café 3 times | Potential Disk x72, Unit x30,000 |
| Go on Ark City Excursion 6 times | Potential Disk x72, Unit x30,000 |
→ Grand Festival Progress Level Reward
▸ You can earn additional rewards based on the number of missions completed.
| Missions Completed | Reward |
| Complete 2 Missions | Eye of Wailing Prodigal x5 |
| Complete 4 Missions | Shards of Condemnation x5 |
| Complete 6 Missions | Prism Lens x5 |
| Complete 8 Missions | Multidimensional Alignment Material x1 |
| Complete 10 Missions | Undetermined Ego Crystal x1 |
→ Steps Forward
▸ During the returning player event period, you can earn double simulation rewards.
▸ The number of times you can earn double rewards varies depending on the Simulation category.
▸ If run along with the [Overdrive - Simulation] event, the daily remaining count of the [Overdrive - Simulation] event will be deducted first.
■ [Nightmare Carnival] Countdown Attendance Check Opens
- The [Nightmare Carnival] Countdown Attendance Check will be held.
- Along with the Attendance Check Rewards when logging in each day, you can also discover special stories featuring Agents.
◆ Schedule: 10/06/2026 18:00 (UTC) – 10/21/2026 18:00 (UTC)
◆ Unlock Condition: Reach Captain Level 10
■ Season 5 [A Promise Upon the Snow] Preview
- During the preview period, you can use the Zero System to Merge the "A Promise Upon the Snow [Preview]" option, and upon clearing the corresponding Codex, you can obtain the "A Promise Upon the Snow" Save Data.
- Season-Restricted elements will be added, and Cards, Fates, and Equipment may be restricted.
→ Restricted items will not appear during Chaos play.
→ These restrictions will remain even after the season ends.
◆ Schedule: 09/30/2026 after the maintenance – 10/21/2026 before the maintenance
■ Zero System – New Season Begins
- [Zero System] - [Chaos Matrix] rewards will reset, and a new season will begin.
◆ Schedule: 09/30/2026 after the maintenance – 12/23/2026 before the maintenance
→ A new season of the Zero System will begin, and the event page [THE: ZERO] will be activated.
■ Sortie - Decisive Battle: Chaos Core Entry Selection Feature Added & Other Improvements
- In Sortie Hardcore mode, you can now choose whether to enter the Decisive Battle: Chaos Core.
→ [Before] When conditions are met, the Decisive Battle: Chaos Core automatically begins after clearing the Depths
→ [After] After defeating the Depths Boss, choose whether to enter the Decisive Battle on the results screen
→ Selecting [Decisive Battle: Chaos Core] will enter the Decisive Battle.
▸ A confirmation popup will appear after selection, and the Decisive Battle will begin once confirmed.
▸ In the confirmation popup, you can set "Do not show until next login."
→ Selecting [Leave] will conclude the mission with a Chaos Cannon Barrage without entering the Decisive Battle.
▸ If you are not in Hardcore mode or have not met the Decisive Battle conditions, only the [Leave] button will be displayed, as before.
→ The difficulty, rewards, score, and other specifications of the Decisive Battle remain unchanged.
- The Rare species appearing in Sorties will be adjusted.
→ Rare "Void" will no longer appear.
→ 3 new types of Rares will be added.
→ "Punisher of Resentment," "Woman Within the Fog," "Aavarck," and "Anis" will be added as Depths Bosses.
- The rules for Hidden Boss appearances in Sorties will be changed.
→ [Before] The Depths of all Stages
→ [After] The Depths of Galactic Disaster Season Stages
▸ Hidden Bosses appear based on the season active in the Sortie.
- When entering the Depths of a Sortie, the number of Hidden Bosses that can appear in choices is limited to a maximum of 1.
- New Divine Epiphanies/Equipment/Cards will be added to Sorties.
→ 12 new Divine Epiphanies
→ 8 new Fates
→ 35 new Equipment
→ 24 new Cards
- Galactic Disaster Season 1–4 Stages will be added to Sorties.
- Equipment that appears will be adjusted based on the season active in the Sorties.
- In Sorties, you can now skip selecting and applying an Epiphany effect granted by Fate or Equipment to cards.
■ Sortie - Fluid Tactics Overhaul
- Skills in Sortie [Tactical Optimization] will be reset, and the skill composition of [Fluid Tactics] will be overhauled.
◆ Tactical Optimization Skill Reset
→ On first login after maintenance, [Tactical Optimization] skills will be reset once.
→ [Tactical Authority]: Acquired skill levels will be reset and spent Currency (Tactical Data) will be refunded. Each skill's level will be reset, but the unlock status of the skill list will remain as is.
→ [Fluid Tactics]: All skill levels and spent Currency will be reset, and the spent Currency will not be refunded. The skill list will be replaced with new skills. Therefore, additional Tactical Data must be obtained in order to acquire [Fluid Tactics] skills.
◆ [Fluid Tactics] Overhaul
→ Some Fluid Tactics have been changed as well as new Fluid Tactics added, including ones that increase the number of choices in the Gray Market.
| Name | Effect | |
| 1 | Tactical Review | Unlock the [Flash] function at Safe Zones |
| Unit Reorganization Order | Provides a number of search again attempts when a Combatant joins | |
| Operation Reassignment Authorization | Provides a number of search again attempts when obtaining a random Fate | |
| Initial Supply Increase | Increases Starting Credits when entering Sortie | |
| Reserves Maintenance Doctrine | Increases HP Recovery and Stress Recovery Amount when [Resting] in Safe Zones | |
| Tactical Stabilization | When obtaining a reward at the [Gray Market] Provides additional HP Recovery and decrease to Stress | |
| 2 | Emergency Supply | Provides a free refresh for items in the Dellang Shop when entering Chaos |
| In-Depth Tactical Review | Decreases the Credits required for [Flash] in Safe Zones | |
| Frontline Return Authorization | Increases Break Recover chance | |
| Ravage Anxiety | Increases Stress Decrease Amount on Ravage | |
| Power Assessment | At the start of battle, Draw for each enemy (max 3) | |
| Secret Code Transfer | Permanently adds the "Present the secret identification code" choice to the [Gray Market] [Present the secret identification code]: Consume 50 Credits, then obtain a random Legendary Equipment | |
| 3 | Decisive Battle Preparations | At the start of Decisive Battle: Chaos Core, recover HP and Stress |
| Rapid Suppression | When an Invasion monster is defeated, decrease Stress | |
| Weakness Detection | On Weakness Attack, increase Critical Chance of the next Attack Card | |
| Adaptive Tactics | Increases the chance of obtaining Monster Cards from Elite Battle Areas | |
| Future Value Investment | Low chance for the additional choice "Barter for info about the future" to appear in the [Gray Market] [Barter for info about the future]: Select and obtain 1 of 3 random Fates | |
| Secret Code Transfer 2 | Low chance for the additional choice "Present the rare secret identification code" to appear in the [Gray Market] [Present the rare secret identification code]: Consume 100 Credits, obtain random Mythic Equipment |
■ Save System Guide Improvements
- During Chaos exploration where Save Data can be obtained, the Faint Memory status of each Combatant will now be displayed on the reward acquisition screen.
- A popup message will be displayed when a Faint Memory changes due to one of the following: A Divine Epiphany is applied, a card with a Divine Epiphany applied is duplicated, or a third duplication. An ON/OFF toggle is available in the settings.
- When converting a card, an improvement has been made to allow you to check the information of the card it will be converted into. This will not be displayed when cards are converted randomly.
- Instead of displaying the Tier of Save Data, the max obtainable point cap for Save Data will now be displayed.
■ System - "Deluxe Outfits" Added with SD Support for Combat Environments
→ Content exclusive to Deluxe Outfits will be added.
→ When a Deluxe Outfit is equipped, it will also apply in combat, changing the character SD to match the Outfit.
* Outfit products will not be reflected in Story・ Psychotherapy・Prepare for Battle poses・certain cards cutscenes・Ego Skill cutscenes・Sortie entry cutscenes, or certain other environments.
* Previously released Outfits are scheduled to be upgraded to the Deluxe grade. A separate notice will be posted in the future going into further detail. Please look forward to this.
■ New Packages Added and New Arkhianon Supply Season Begins
- New Update Packages will be added.
| Category | Item | Pack Items | Purchase Limit | Price (USD) | Sale Period |
| Starshine Package | Vacation with a Guardian Angel I | Signal Amplification Anchor x10 | 2 times per account | 14.99 | 09/30/2026 after the maintenance – 10/21/2026 before the maintenance |
| Starshine Package | Vacation with a Guardian Angel II | Signal Amplification Anchor x20 | 2 times per account | 49.99 | 09/30/2026 after the maintenance – 10/21/2026 before the maintenance |
| Crystal (Paid) x2,480 | |||||
| Starshine Package | Vacation with a Guardian Angel III | Signal Amplification Anchor x30 | Once per account | 99.99 | 09/30/2026 after the maintenance – 10/21/2026 before the maintenance |
| Crystal (Paid) x6,480 | |||||
| Multidimensional Alignment Material x3 |
- New Outfit items have been added.
| Category | Item | Pack Items | Ownership and Purchase Limit | Price |
| Starcluster Wardrobe | Rei – Exciting Summer Vacation | Outfit – Exciting Summer Vacation | 1 | Crystal x1,200 |
| Petite Rei [Exciting Summer Vacation] | ||||
| Starcluster Wardrobe | Sereniel – Angel on the White Sands | DELUXE Outfit – Angel on the White Sands | 1 | $7.99 |
| Petite Sereniel [Angel on the White Sands] |
- A new season of Arkhianon Supply will begin.
- 5 new Season Missions will be added.
→ [Full-Scale Offensive] Achieve a total score of at least 300,000
→ [Sortie] Clear Decisive Battle: Chaos Core 1 time
→ [Guardian Angel's Vacation] Complete Day 1 Strategy: Bercula
→ [Guardian Angel's Vacation] Complete Day 2 Strategy: Formica
→ [Dimensional Twilight] Clear "3rd Basin"
■ Improvements
◆ QoL
→ A feature will be added to allow Event banners to be displayed on the Quick Menu screen.
→ An improvement will be made so that when entering the Story results screen, the BGM playing in the previous section continues without interruption.
→ Tabs will be added to the Activity menu to improve convenience.
▸ Simulation Training Tab: Directly access information on characters currently in Growth and Simulation Growth content.
▸ Operations Tab: Check the progress of Galactic Disaster, Sortie, Basin of Hyperspace, Spiral Tower of Screams, or Full-Scale Offensive, and directly access each piece of content.
→ A filter related to growth status has been added to the Partners list.
▸ Exclude Max Level: When enabled, Partners at Level 60 are excluded from the display.
▸ Exclude Max Ego Manifestation: When enabled, Partners at Ego Manifestation Level 5 are excluded from the display.
▸ When assigning Partners via the "Partners" section in a Combatant's detailed info, Partners that match the corresponding Combatant will now be displayed at the top.
◆ Combat
→ An issue where Critical Hits were not being applied to certain [Fixed Damage] instances generated by the effects of some cards and Ego Skills will be fixed.
▸ Lucas: S.S.S 5th Epiphany
▸ Kayron: Black Hole 5th Epiphany
▸ Arabella: Ego Skill – Pathetic End
→ Improved guidance for certain [Fixed Damage] effects where Critical Hits do not occur.
▸ Nine: Ego Manifestation Stage 6
▸ Fei: Ego Manifestation Stage 2
→ Balance adjustments have been made per difficulty for the Wailing Prodigal and Fear Encountered battles in Simulation - Combat Training - Challenges.
◆ Other
→ The range of supported key mapping options has been expanded.
▸ Mouse controls are now supported for shortcut key functions.
▸ Improved so that shortcut keys can be used while proceeding through Chaos.
▸ Improved so that shortcut keys can be used in Unidentified Areas.
▸ The number of shortcut keys available during combat has been increased.
▸ Shortcut keys for accessing various lobby menus and the quick menu have been added.
→ A feature to replay past dialogue voices in ongoing Stories has been added.
▸ In the conversation log, tap the voice playback button for any line you wish to hear again to replay that voice line.
→ In [Arkhianon Supply], the remaining time will no longer be displayed if the end time of mission-specific content extends beyond the supply event period.
→ When obtaining additional [Special Security Codes] while holding the max quantity, they will now be converted to and received as [Policy Point x20].
→ A team transition cutscene has been added during the Simulation Basin of Hyperspace.
→ The English notation for Shockwave is being changed to Aftershock.
◆ Trauma Code Voiceover Notice
→ The Japanese voice for [Renoa]'s Trauma Code will be added with the 09/30/2026 update.
■ Bug Fixes
◆ Combat-Related
→ [Sortie] An issue where cards from the previous season, which cannot be used as rewards, were being obtained in Unidentified Areas will be fixed.
→ [Sortie] An issue where Nightmare Mode activated when in combat with Combatants in Deep Trauma will be fixed.
→ [Akad] An issue where the Damage Amount was displayed as Damage in the Passive Effect description will be fixed.
▸ [Before] Increase Damage of Bullet cards by XX% for X turns.
▸ [After] Increase Damage Amount of Bullet cards by XX% for X turns.
→ The following adjustment has been made: The “Apply Linked/Quietus to this card” Divine Epiphanies will no longer be applied to cards that inherently have the effect that moves them to your hand.
→ [Great Rift] An issue where Pharanes's Safeguard was incorrectly decreased when defeating Pharanes's Fragment during the Pharanes Rearguard battle will be fixed.
→ [Great Rift] An issue where the Combat Records popup for the first-half Vanguard clear was displayed when attempting to enter the second-half of the Great Rift will be fixed.
→ An issue where the Plague Lord's Action Count remained at 0 when changing the Plague Lord's "Unbearable Fear" action using Hilde's "Homing Arrow" will be fixed.
→ The description for the Coordinated Attack will be corrected.
▸ [Before] Damage that is applied as Extra Attack Damage Amount when a different Combatant attacks
▸ [After] Damage that applies Extra Attack Damage Amount
→ Certain downloadable Save Data that were initially described as “activate” have been changed to “proc.”
▸ Save Data: G Chord, Homing Arrow
→ [Command Delegation] An issue where rewards could not be obtained during the Mother-of-Pearl Ambush event in an Unidentified Area will be fixed.
→ [Arabella] An issue where the "Defeat: move this card to hand" effect did not activate when defeating a target via the Sadistic Restraint 3rd Epiphany card when Fracture was activated will be fixed.
→ An issue where card descriptions were displayed even without selecting a card on the Card Selection screen during battle will be fixed.
→ [Mei Lin] Spirit of the Aromata’s 1st Epiphany had a mistranslation that has been fixed to reflect its actual function.
▸ [Before] For 1 turn, when a Passion Card of this unit is activated, +% Damage Amount to this unit
▸ [After] For 1 turn, when a Passion Card is activated, +% Damage Amount to this unit
◆ UI/UX
→ [Lobby] An issue where the home background dialogue speech bubble and the menu overlapped will be fixed.
→ [Unigram] An issue where specific parts of Captain's dialogue were displayed as Amir's dialogue during a conversation with Amir will be fixed.
→ [Event] [SE-4 BR33ZE] An issue where story illustrations were intermittently displayed in the background when using the fast-forward feature during Day 7 of the event will be fixed.
→ [Event] [SE-4 BR33ZE] An issue where the voice of an illustration set as the home screen was intermittently played during the event will be fixed.
◆ Other
→ [Sortie] An issue where an error message was displayed when the Receive icon was touched consecutively while claiming title rewards from Engagement Data > Combatant Data will be fixed.
→ [Unigram] An issue where the target Combatant was not displayed after navigating via "Meet Now" will be fixed.
→ [A Song Rippling Through the Stars] An issue where the Galactic Medal progress decreased after the season ended will be fixed.
→ The detailed progress of each item will be displayed in the Galactic Medal progress tooltip.
→ [Basin of Hyperspace] An issue where Prism Lens was not displayed on the Reward Preview screen before entry will be fixed.
Thank you.
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