Table of Contents
- TLDR
- 1. New Nikkes
- 2. Limited-Time Recruitment of Rerun Nikkes
- 3. New Costumes
- 4. Limited Costume Rerun
- 5. New Events
- 6. Outpost Winter-Themed Event
- 7. Union Raid
- 8. Coordinated Operation
- 9. Solo Raid
- 10. Champion Arena (Beta Season 18 & 19)
- 11. New Gameplay and Features
- 12. New Commodities
- 13. Optimizations & Misc. Updates
TLDR
- New SSR Diesel: Winter Sweets
- Elysion, Attacker, Rocket Launcher, Fire Code
- deals sustained damage; boosts own sustained damage
- New SSR Brid: Silent Track
- Elysion, Supporter, Submachine Gun, Fire Code
- Grants bonus effects when attacking wind code; boosts attack power of allies
- Limited Rerun
- SSR Maiden: Ice Rose
- SSR Guillotine: Winter Slayer
- New Costumes
- Blanc – Fortune Express (Costume Gacha)
- Bready – Frosty Bite (Frosty Bite Pass)
- Costume Rerun
- Emma – Color Me Red
- Vesti – Ark Mage
- Volume – Beat the Gun
- New Events
- Fully Voiced Story Event: TERMINUS TICKET
- Mini Game: AZX Service Time
- Archives
- ICE DRAGON SAGA
- 21 Days Login Event – TRAIN PAMPHLET
- Weekend-Only – FULL BURST DAY Event
- Union Raid – 5:00, December 5 (UTC+9)
- Coordinated Operation
- Modernia: 12:00, December 5 (UTC+9)
- Harvester: 12:00:00, December 19 (UTC+9)
- Solo Raid – 12:00 December 11 (UTC+9)
- Champion Arena
- Season 18: December 4, 2025
- Season 19: December 18, 2025
- New Gameplay and Features
- Scenario Story Line Added
- Mini game DRAGON DUNGEON RUN in Arcade
Maintenance Start
11:00, December 4 (UTC +9)
Maintenance End
18:00, December 4 (UTC +9)
SSR Nikke Nayuta and Liberalio will be available in Ordinary Recruit and from Mold items (unavailable in New Commander Special Recruit, Social Point Recruit, Ordinary Recruit (Tutorial), and Mileage Shop).
SSR Nikke Soline: Frost Ticket will be available in Ordinary Recruit, Social Point Recruit, and from Mold items (unavailable in New Commander Special Recruit, Ordinary Recruit (Tutorial), and Mileage Shop).
1. New Nikkes
1.1 SSR Diesel: Winter Sweets

SSR Diesel: Winter Sweets, the AZX attendant whose unique singing wows her passengers, joins Limited-Time Recruitment.
Diesel: Winter Sweets is an Attacker who boosts her own sustained damage to deliver attacks.
Upon activation of her Burst Skill, she deals sustained damage to multiple enemies.
– Class: Attacker
– Weapon: Candy Line (RL)
– Code: Fire
– Manufacturer: Elysion
* Limited-Time Recruitment duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
* How to obtain: Lobby → Recruit → Limited-Time Recruitment
* Recruit Rules:
① You can use Gems (Free/Paid) or Advanced Recruit Vouchers to recruit in Limited-Time Recruitment (Ordinary Recruit Vouchers cannot be used).
② There is a 4% chance of acquiring SSR Nikkes in Limited-Time Recruitment and a 2% chance of acquiring SSR Diesel: Winter Sweets.
③ You can get Gold Mileage Tickets when recruiting in Limited-Time Recruitment.
④ You can exchange 200 Gold Mileage Tickets for Diesel: Winter Sweets in the Mileage Shop.
⑤ When Limited-Time Recruitment ends, unused Gold Mileage Tickets will not disappear.
⑥ In the version update after Limited-Time Recruitment ends, Diesel: Winter Sweets will not be available in Ordinary Recruit, New Commander Special Recruit, Ordinary Recruit (Tutorial), Social Point Recruit, Mileage Shop, and from Mold items.
1.2 SSR Brid: Silent Track

SSR Brid: Silent Track, AZX’s engineer who likes to unwind with a warm cup of coffee, joins Limited-Time Recruitment.
Brid: Silent Track is a Supporter who grants bonus effects when attacking Wind Code enemies.
Upon activation of her Burst Skill, she significantly boosts the attack capabilities of all ally units.
– Class: Supporter
– Weapon: Silent Steam (SG)
– Code: Fire
– Manufacturer: Elysion
* Limited-Time Recruitment duration: From 5:00:00, December 11, 2025 to 23:59:59, December 31, 2025 (UTC+9)
* How to obtain: Lobby → Recruit → Limited-Time Recruitment
* Recruit Rules:
① You can use Gems (Free/Paid) or Advanced Recruit Vouchers to recruit in Limited-Time Recruitment (Ordinary Recruit Vouchers cannot be used).
② There is a 4% chance of acquiring SSR Nikkes in Limited-Time Recruitment and a 2% chance of acquiring SSR Brid: Silent Track.
③ You can get Gold Mileage Tickets when recruiting in Limited-Time Recruitment.
④ You can exchange 200 Gold Mileage Tickets for Brid: Silent Track in the Mileage Shop.
⑤ When Limited-Time Recruitment ends, unused Gold Mileage Tickets will not disappear.
⑥ In the version update after Limited-Time Recruitment ends, Brid: Silent Track will not be available in Ordinary Recruit, New Commander Special Recruit, Ordinary Recruit (Tutorial), Social Point Recruit, Mileage Shop, and from Mold items.
2. Limited-Time Recruitment of Rerun Nikkes
2.1 SSR Maiden: Ice Rose
The Hero Guillotine’s first comrade, SSR Maiden: Ice Rose, rejoins Limited-Time Recruitment.
Maiden: Ice Rose enhances her own attack power when using MP and provides buffs for all Electric Code allies aside from herself when MP is replenished.
Her Burst Skill consumes all available MP and deals significant damage to a single enemy based on the ratio of MP consumed.
– Class: Defender
– Weapon: Diamond Dust (RL)
– Code: Electric
– Manufacturer: Elysion
* Limited-Time Recruitment duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
* How to obtain: Lobby → Recruit → Limited-Time Recruitment
* Recruit Rules:
① You can use Gems (Free/Paid) or Advanced Recruit Vouchers to recruit in Limited-Time Recruitment (Ordinary Recruit Vouchers cannot be used).
② There is a 4% chance of acquiring SSR Nikkes in Limited-Time Recruitment and a 2% chance of acquiring SSR Maiden: Ice Rose.
③ You can get Gold Mileage Tickets when recruiting in Limited-Time Recruitment.
④ You can exchange 200 Gold Mileage Tickets for Maiden: Ice Rose in the Mileage Shop.
⑤ When Limited-Time Recruitment ends, unused Gold Mileage Tickets will not disappear.
⑥ In the version update after Limited-Time Recruitment ends, Maiden: Ice Rose will not be available in Ordinary Recruit, New Commander Special Recruit, Ordinary Recruit (Tutorial), Social Point Recruit, Mileage Shop, and from Mold items.
2.2 SSR Guillotine: Winter Slayer
SSR Nikke Guillotine: Winter Slayer, who emerges as the hero to save Spring Nation in its time of crisis, rejoins Limited-Time Recruitment.
Guillotine: Winter Slayer increases her adventure level, gradually strengthening herself and Water Code allies.
She gains EXP from basic attacks to enhance her adventure level.
– Class: Attacker
– Weapon: Brave Sword (AR)
– Code: Water
– Manufacturer: Elysion
* Limited-Time Recruitment duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
* How to obtain: Lobby → Recruit → Limited-Time Recruitment
* Recruit Rules:
① You can use Gems (Free/Paid) or Advanced Recruit Vouchers to recruit in Limited-Time Recruitment (Ordinary Recruit Vouchers cannot be used).
② There is a 4% chance of acquiring SSR Nikkes in Limited-Time Recruitment and a 2% chance of acquiring SSR Guillotine: Winter Slayer.
③ You can get Gold Mileage Tickets when recruiting in Limited-Time Recruitment.
④ You can exchange 200 Gold Mileage Tickets for Guillotine: Winter Slayer in the Mileage Shop.
⑤ When Limited-Time Recruitment ends, unused Gold Mileage Tickets will not disappear.
⑥ In the version update after Limited-Time Recruitment ends, Guillotine: Winter Slayer will not be available in Ordinary Recruit, New Commander Special Recruit, Ordinary Recruit (Tutorial), Social Point Recruit, Mileage Shop, and from Mold items.
2.3 Temporary Participation Nikkes
During the recruit duration, you can make Nikkes in the Pick Up participate in the Union Shooting Range temporarily.
* Temporary participation duration:
① Diesel: Winter Sweets: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
② Brid: Silent Track: From 5:00:00, December 11, 2025 to 23:59:59, December 31, 2025 (UTC+9)
③ Maiden: Ice Rose: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
④ Guillotine: Winter Slayer: From the end of the December 4, 2025 maintenance to 4:59:59, December 25, 2025 (UTC+9)
3. New Costumes
3.1 Limited Costume: Blanc – Fortune Express
The Lucky Train is departing!
Get Blanc – Fortune Express with full VO, Burst Skill cutscene, standing pose, and SD special motion from Costume Gacha.
※ For more details about Costume Gacha, please refer to the New Commodities information below.
3.2 Limited Costume: Bready – Frosty Bite
A sweet but icy bite that will make your brain freeze!
Get Bready – Frosty Bite and its full VO with the FROSTY BITE PASS.
For more details about the pass, please refer to the New Commodities information below.
4. Limited Costume Rerun
4.1 Limited Costume: Emma – Color Me Red
Christmas: a one-of-a-kind gift prepared just for you.
Emma – Color Me Red will be available in Cash Shop again for a limited time.
Sale duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
4.2 Limited Costume: Vesti – Ark Mage
Hehe, Kitty. It’s time to show off our explosive magic.
Vesti – Ark Mage will be available in Cash Shop again for a limited time.
Sale duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
4.3 Limited Costume: Volume – Beat the Gun
The bard of the Spring Nation who sings the tales of countless heroes.
Volume – Beat the Gun will be available in Cash Shop again for a limited time.
Sale duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
5. New Events
5.1 New Fully Voiced Story Event: TERMINUS TICKET
After getting a ticket from Soline, Nora at last boards the AZX to reach the Surface.
Nora has finally achieved her lifelong wish,
but when she reaches the Surface, something unexpected occurs!
To help Nora, Diesel and Brid reroute to the Final Stop, the place Nora has always wanted to go the most…
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
Explore the TERMINUS TICKET map and participate in various activities. By searching the map, players can acquire Gems, development materials, and unexpected Lost Relics.
* SR Nikke Neve can be redeemed in the Event Shop.
* Item exchange in the Event Shop will end at 4:59:59 on December 30, 2025 (UTC+9).
① Story Event Part 1: STORY I
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
Clear the STORY I stages in the TERMINUS TICKET event to obtain Advanced Recruit Vouchers and various development materials!
② Story Event Part 2: STORY II
* Event duration: From 5:00:00, December 11, 2025 to 4:59:59, December 30, 2025 (UTC+9)
Clear the STORY II stages in the TERMINUS TICKET event to obtain Advanced Recruit Vouchers and various development materials!
③ Challenge Stage
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
Challenge Stage is opened in TERMINUS TICKET. Challenge the difficult boss stages to obtain various development materials!
④ Winter Event Animation
A new animation has been added to the winter event. Clear the last stage of TERMINUS TICKET → STORY II-Normal Stage to unlock it.
5.2 Mini Game: AZX Service Time
The Infinity Rail Squad will serve exactly ten meals to the passengers of AZX.
Try your hand at this puzzle game where you need to make the total exactly 10!
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
5.3 Archives – ICE DRAGON SAGA
The Story Event, ICE DRAGON SAGA, is now available in the Archives.
Participate in TERMINUS TICKET to obtain Memory Films for unlocking story events in Archives.
* Gameplay begins: After the maintenance on December 4, 2025
* How to enter: Lobby → Outpost → Command Center → Recollection → Archives
5.4 21 Days Login Event – TRAIN PAMPHLET
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
Log in for any 21 days during the event and get rewards. Get Advanced Recruit Vouchers and development materials when you log in for 21 days straight.
5.5 Weekend-Only – FULL BURST DAY Event
* Event duration:
From 5:00:00, December 6, 2025 to 4:59:59, December 8, 2025 (UTC+9)
From 5:00:00, December 13, 2025 to 4:59:59, December 15, 2025 (UTC+9)
From 5:00:00, December 20, 2025 to 4:59:59, December 22, 2025 (UTC+9)
From 5:00:00, December 27, 2025 to 4:59:59, December 29, 2025 (UTC+9)
During the FULL BURST DAY event on weekends, players can obtain an additional reward in Interception and Simulation Room.
6. Outpost Winter-Themed Event
Check out the new winter-themed Outpost during the winter event!
7. Union Raid

Union Raid will begin on December 5, 2025, 5:00:00 (UTC+9)! Challenge the Boss with your Union members, collect Union Chips, and exchange rewards!
* Opening time: From 5:00:00, December 5, 2025 to 4:59:59, December 11, 2025 (UTC+9)
* Condition to join: Union should be in Lv. 3
Please note that player is unable to remove Union members or leave the Union during Union Raid.
8. Coordinated Operation
Form a team of five Commanders and challenge the boss together! Players can either team up with friends and Union members or join the challenge through automatic matching. Defeat the boss and get Broken Core to exchange Gems and development materials in the Recycling Shop. Rusted Bones, which are given according to the player’s ranking, can be used to exchange for additional development materials and equipment in the Recycling Shop.
* Event duration:
Modernia: From 12:00:00, December 5, 2025 to 23:59:59, December 7, 2025 (UTC+9)
Harvester: From 12:00:00, December 19, 2025 to 23:59:59, December 21, 2025 (UTC+9)
* How to join: Lobby → Event → Coordinated Operation
9. Solo Raid
Solo Raid Season 32 will open at 12:00:00 on December 11, 2025! Mobilize parties to challenge the boss and obtain Harmony Cube materials, Favorite Item maintenance materials, and Collection Item maintenance materials. The Challenge ranking is determined based on the total damage dealt. Rewards like limited avatar frames and Gems will be distributed according to the ranking.
* Opening time: From 12:00:00, December 11, 2025 to 4:59:59, December 18, 2025 (UTC+9)
10. Champion Arena (Beta Season 18 & 19)
* Open period:
Beta Season 18: December 4, 2025
Beta Season 19: December 18, 2025
Champion Arena is a gameplay where Commanders who rank 4th or higher in SP Arena compete with each other. Simulated battles are held in order according to the schedules of the League, Promotion Tournament, and Champions’ Duel. During Promotion Tournament and Champions’ Duel, players can predict the winner through the Cheer system. Special avatar frames will be given according to the number of ranking achievements accumulated.
11. New Gameplay and Features
11.1 Scenario Story Line Added
We’ve added a new system that lets you watch through the stories that make up the larger storyline, including those from the main story, event stories, side stories, and messages.
Stories can now be sorted and viewed by chronological or update order, making them easier to enjoy!
11.2 Added the mini game DRAGON DUNGEON RUN to the Arcade.
11.3 Added new profile card objects to Profile Decoration.
11.4 Added new titles.
11.5 Added new lobby backgrounds.
12. New Commodities
12.1 Costume Gacha: Blanc – Fortune Express
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
Obtain rewards such as Blanc – Fortune Express, Advanced Recruit Vouchers, and Equipment Level-up Materials after 10 draws.
* You can obtain gacha draws by using the special item, Bunny’s Golden Ticket. Bunny’s Golden Ticket can be purchased in the Ticket Shop.
For more details, please check the rules and probability information of Costume Gacha in the game.
12.2 FROSTY BITE PASS
* Event duration: From the end of the December 4, 2025 maintenance to 4:59:59, December 30, 2025 (UTC+9)
After purchasing the premium FROSTY BITE PASS, complete daily missions to level it up and obtain Advanced Recruit Vouchers. Obtain Bready’s limited costume, Frosty Bite, upon reaching the maximum level.
12.3 New character packages will be available after the December 4, 2025 maintenance.
* Sale duration: From the end of the December 4, 2025 maintenance to 23:59:59, December 31, 2025 (UTC+9)
For more details, please check the in-game Cash Shop.
13. Optimizations & Misc. Updates
13.1 Detailed information regarding optimizations and bug fixes will be given upon completion of the maintenance.









