Blue Archive's Ex. Decagrammaton Chapter 3 Update Introduces New Event Story, Unique Students and More

Celebratory Update Includes New Story, Students, Collaborative Event, Reward Drops and Login Bonuses for New and Returning Players to Enjoy

Seoul - May 27, 2026 -NEXON's anime-style RPG Blue Archive has released the new“EX. DECAGRAMMATON CHAPTER 3 UPDATE” update on both Steam and mobile. This update features a plethora of new content and rewards for players, including the “EX. Decagrammaton Chapter 3, The Sky of Unity Part 2 (Ep. 10)” event story, 4.5 year anniversary pre-registration gift, special reward drops for watching Blue Archive livestreams and introduces new unique students.

In Blue Archive, the player has been appointed as an advisor to the Federal Investigation Club S.C.H.A.L.E., (aka SCHALE) located in Kivotos, a massive city with numerous academies. They must venture forward to resolve the endless incidents that happen in the city while building relationships with charming anime students through RPG Action Strategy and thrilling military action gameplay. 

EX. Decagrammaton Chapter 3 PV can be foundhere 
Rio (Armed) PV can be foundhere 
Himari (Armed) PV can be foundhere 
Toki (Armed) (1★) PV can be foundhere 

Blue Archive's “EX. Decagrammaton Chapter 3, The Sky of Unity Part 2 (Ep. 10)” update is a multifaceted celebration of Blue Archive's 4.5 year anniversary, and includes the following new content and activities that are available for a limited time:

• Pick-up Recruitment Event - Blue Archive's pick-up recruitment is starting up, with new unique student, Rio (Armed), joining the playable roster and lending her skills as an explosive damage dealing Striker. She will be joined by the new unique student Himari (Armed), a Piercing Tactical Support SPECIAL who can heal nearby allies through her EX Skill, as well as offer a Piercing Effectiveness buff, a Critical Damage buff and even an Increased Effectiveness Damage Taken debuff, exemplifying her simultaneous roles as both a healer and buffer. 
• Operational Plan: Steel Continent and Allied Operation - This new special limited-time collaborative event has players teaming up together to take on a total of eight bosses, including Binah, Chesed, Geburah and Yesod, who will all appear in sequential order. Starting today, the Allied Operation bosses will appear in order. Players can enter the raid by using “Allied Operation Tickets,” and those who enter the raid and clear Binah (Final Battle) for the first time will receive Toki (Armed) (1★).
• EX. Decagrammaton Chapter 3, The Sky of Unity Part 2 (Ep. 10) Main Story Update - In this new event story, students from Millennium Science School's Game Development Department and Super Phenomenon Task Force, including Kei, Rio, and Aris, take center stage. Banding together against the forces of Decagrammaton on the Steel Continent, they will embark on a high-stakes journey to prevent the impending doom of Kivotos.
• 4.5-Year Anniversary Pre-Registration Special Gift - Running between 5/26 and 6/2 at 7:59 am PT, players can login to claim the Pre-Registration Special Gift, which includes:

  • 10-Recruitment Ticket x1

  • Expert Permit x4,000

  • T9 Equipment Blueprint Choice Box x100

  • Advanced Activity Report x50

  • Superior Activity Report x20

• Go Go Drops Campaign Season 3 - Fans can watch Blue Archive livestreams and earn a variety of rewards. Starting today through 6/23 (before maintenance), players can link their Drops account to their Blue Archive accounts to watch Drops-enabled Blue Archive streams and accumulate stream time to unlock in-game items. It is recommended that players link their accounts using a PC to ensure a smoother process, and to verify their connection status again before use (Check Connection). Different tiers of rewards will be offered to viewers watching between 15 to 90 minutes worth of gameplay, with rewards tiers structured as follows:
  

  • Watch for 15 minutes - Credit Points x200,000

  • Watch for 30 minutes - Normal Activity Report x10 & Advanced Activity Report x10

  • Watch for 60 minutes - Normal Enhancement Stone x15 & Advanced Enhancement Stone x15

  • Watch for 90 minutes - Pyroxene x480

Players worldwide can download Blue Archive for free on Android, iOS and Steam.

More information on the Blue Archive is available below:

About NEXON Korea
Founded in 1994, NEXON Korea is engaged in the production, development, and operation of online games. With a diverse portfolio of over 40 live games available in more than 190 countries, NEXON Korea offers engaging entertainment experiences across PC, console, and mobile platforms. Renowned for its iconic franchises, including MapleStory and Dungeon&Fighter, as well as newer titles like The First Descendant and The First Berserker: Khazan, NEXON Korea is dedicated to delivering innovative, high-quality game experiences to players worldwide. For more information, visit the official website: https://company.nexon.com/en/.

More about Blue Archive Blue Archive is a mobile RPG developed by NEXON Games, featuring a cast of charming characters and expansive, adventure-filled stories set in the academy city of Kivotos. Players take on the role of Sensei, an advisor to the Federal Investigation Club Schale, and work to resolve the countless incidents occurring across the city. Since its global launch on Android and iOS on November 19, 2021, Blue Archive has captured the hearts of millions of players worldwide — and is now reaching an even broader range of players with the official Steam launch on July 4.https://bluearchive.nexon.com/home