October 16 Patch Notes

Phantom Thief Delta, Rapi: Red Hood costume, mini-event and unique song given out! Anniversary is approaching.

TL;DR

New SSR: Delta: Ninja Thief
- Water Defender MG that can buff other defenders and distributed damage.
New Costume: Rapi: Red Hood – Cherised Red
- The costume that won the popularity poll is finally being given out for FREE.
- Even if you don’t have Rapi: Red Hood, you will receive the costume and be able to use it once you have Rapi: Red Hood in your account.
Rapi: Red Hood Special – The free costume for Rapi: Red Hood, theme song celebrating Rapi: Red Hood, and the border frame based on the top 5 winners of the Doki Doki poll will be given out.
- Claim period from October 16 after maintenance ends until December 4 maintenance.
  - If not claimed within the event period, it will all remain unobtainable for the foreseeable future.
Costume Rerun: Miranda: Thief of Justice
New Event: GO! NINJA THIEF!
- Will focus on the Phantom Thief crew of Phanton, Quency: Escape Queen, Miranda and their new recruit, Delta: Ninja Thief
UNBREAKABLE SPHERE added to Archives.
- Its corresponding mini-game, BUBBLE MARCH, will be added to the Arcade.
New Side Story: EDEN SPEAR
- Eden Spear will pick up from when Dorothy sends out Inherit and Johan to recover Nihilister’s body (Chapter 24+ spoilers)
Special Event: YES, MY COMMANDER!
- A mini-event story giving background story to Rapi’s new skin.

Maintenance Start
October 16, 2025

Maintenance End
October 16, 2025

Read in finer detail below!!

Commanders,

The game server will be offline for maintenance and updates on October 16, 2025. During this time, you will not be able to log in to the game. We apologize for any inconvenience caused.

Expected maintenance duration: October 16, 2025, 11:00:00 – 15:00:00 (UTC +9)

The actual maintenance duration may vary.

Major Updates:

1. New Nikke

1.1 SSR Delta: Ninja Thief

SSR Delta: Ninja Thief, the righteous Phantom Ninja who works from the shadows, joins Special Recruit.

Delta: Ninja Thief can change her actions if Defender allies are close by.

She boosts her allies’ distributed damage attacks, and her Burst Skill improves their attack power, as well as her own survivability.

– Class: Defender

– Weapon: Ninja Force (MG)

– Code: Water

– Manufacturer: Elysion

* Special Recruit duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

* How to obtain: Lobby → Recruit → Special Recruit

* Recruit Rules:

① You can use Gems (Free/Paid) or Advanced Recruit Vouchers to recruit in Special Recruit. (Ordinary Recruit Vouchers cannot be used)

② There is a 4% chance of acquiring SSR Nikkes in Special Recruit and a 2% chance of acquiring SSR Delta: Ninja Thief.

③ You can get Gold Mileage Tickets when recruiting in Special Recruit.

④ You can exchange 200 Gold Mileage Tickets for Delta: Ninja Thief in the Mileage Shop.

⑤ When Special Recruit ends, unused Gold Mileage Tickets will not disappear.

⑥ After Special Recruit ends, Delta: Ninja Thief 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)

1.2 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:

Delta: Ninja Thief: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

2. New Costume

2.1 Special Costume: Rapi: Red Hood – Cherished Red

The good girl who’s devoted only to you.

In Rapi: Red Hood Special, you can obtain Cherished Red – the costume of Rapi: Red Hood, the 2025 Nikke popularity poll winner. Cherished Red includes a full voice-over, Burst Skill animation, standing pose, and special SD model.

2.2 Special Costume Rerun: Miranda – Thief of Justice

The phantom thief police will also continue to work hard for the sake of justice today.

Miranda – Thief of Justice will be available in the Cash Shop again for a limited time.

Sale duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

3. New Events

3.1 New Story Event: GO! NINJA THIEF!

Delta has joined the Phantom Thieves of Justice as a trainee.

To become a true Phantom Thief, she must pass the trials of Phantom, Quency, and Miranda.

Will Delta successfully complete the trials and officially begin her activities as a Phantom Thief…?

* Event duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

Participate in the GO! NINJA THIEF! event and complete stages to get event items, which can be used to exchange for various rewards such as Recruit Vouchers and skill enhancement materials in the Event Shop.

* Item exchange in Event Shop will end on October 29, 2025 at 23:59:59 (UTC+9).

① Challenge Stage

* Event duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

Challenge Stage is now available in GO! NINJA THIEF!. Challenge difficult boss stages to obtain various development materials!

3.2 Archives – UNBREAKABLE SPHERE

Story Event UNBREAKABLE SPHERE is now available in Archives.

Participate in GO! NINJA THIEF! to obtain Memory Films for unlocking story events in Archives.

* Gameplay begins: After the maintenance on October 16, 2025

* How to enter: Lobby → Outpost → Command Center → Recollection → Archives

3.3 7-Day Login Event – Ninja Thief Steps

* Event duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

Log in at any 7 days during the event and get rewards. Get Recruit Vouchers and development materials when you log in for 7 days straight.

3.4 Rapi: Red Hood Special

* Event duration: From the end of the October 16, 2025 maintenance to 4:59:59, December 4, 2025 (UTC+9)

– To all Commanders, we sincerely thank you for your support.

– Log in during the event to receive the popularity poll winner Rapi: Red Hood’s limited costume Cherished Red, the theme song Yes, My Commander!, and limited avatar frames of the top 5 winners, Rapi: Red Hood, Cinderella, Crown, Dorothy, and Scarlet.

3.5 Special Event: YES, MY COMMANDER

* Event duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

At the end of a magical day, Rapi receives a small gift.

4. Side Story – EDEN SPEAR

After being contacted by Dorothy, the Inherit squad heads to the designated location and discovers Nihilister there.

To obtain information from her, Johan and Cecil begin thinking of ways to awaken her.

* Condition to join: Complete Campaign stage 6-15

* How to enter: Lobby → Outpost → Command Center

5. Coordinated Operation

Form a team of five Commanders and challenge the Boss Modernia together! Players can either team up with friends and union members or join the challenge through automatic matching. Defeat the Boss and get Broken Cores to exchange for 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 in the Recycling Shop.

* Event duration: From 12:00:00, October 24, 2025 to 23:59:59, October 26, 2025 (UTC+9)

* How to join: Lobby → Event → Coordinated Operation

6. Champion Arena (Beta Season)

Champion Arena (Beta Season 15) will open on October 23, 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.

7. Reshuffling of Arena Groups

Rookie Arena and SP Arena groups will undergo periodical reshuffling.

* Reshuffle Time:

① Rookie Arena: From 5:00:00, October 29, 2025 to 4:59:59, October 30, 2025 (UTC+9)

② SP Arena: From 5:00:00, November 5, 2025 to 4:59:59, November 6, 2025 (UTC+9)

8. Simulation Room – Overclock Mode (Season 6)

In the new Simulation Room – Overclock Mode (Season 6), you’ll be able to select additional options and challenge new environments with higher difficulties. Upon clearing Simulation Room Overclock, you will obtain Skill Manual and Burst Manual at least once according to the highest Core Ratio. (If you haven’t claimed the previous rewards of Difficulty 5 Sector C in the current Simulation Room, you can obtain everything at the same time.) The rewards acquisition record resets every two weeks. Rewards can be obtained again after being reset.

* Condition to participate: Clear Simulation Room Difficulty 5 Sector C

* Duration: From 5:00:00, October 21, 2025 to 4:59:59, January 13, 2026 (UTC+9)

* How to join: Lobby → Ark → Simulation Room

9. New Gameplay and Features

9.1 Added the mini game BUBBLE MARCH to the Arcade.

9.2 Added new profile card objects to Profile Decoration.

9.3 Added new titles.

10. New Commodities

10.1 New character packages will be available after the October 16, 2025 maintenance.

* Sale duration: From the end of the October 16, 2025 maintenance to 23:59:59, October 29, 2025 (UTC+9)

Please check the details out in Lobby → Cash Shop → Limited-Time Package.

11. Optimizations & Misc. Updates