Netmarble (Netmarble Corp.) has released the Part 1 Demon Slayer: Kimetsu no Yaiba collaboration update for its collectible RPG Seven Knights Re:BIRTH. The update adds two new heroes and a Legendary pet, with the collaboration running in two phases over four weeks until October 29.
Developed by Netmarble Nexus (Netmarble Nexus Inc.), Seven Knights Re:BIRTH welcomes new heroes 'Tanjiro Kamado' and 'Zenitsu Agatsuma', as well as the Legendary pet 'Nezuko Kamado'.
All players who log into the game during the collaboration period can receive 'Tanjiro Kamado' as a Day 1 check-in reward. 'Nezuko Kamado' and 'Zenitsu Agatsuma' can be obtained through in-game play.
New content 'Infinity Castle' was also revealed. It is a special event mode operating similarly to the existing 'Tower of Infinity', offering various rewards upon completing each floor. In the 'Event Challenge Stage', 'Akaza' appears as a boss monster.
The Part 2 update will take place on October 15, adding new heroes 'Giyu Tomioka' and 'Shinobu Kocho'. The entire collaboration schedule runs through October 29.
Seven Knights Re:BIRTH is a remake project that inherits core elements such as the original Seven Knights' story and combat system, officially launching in South Korea on May 15, 2025. It reached No. 1 in App Store revenue within seven hours of release on launch day and topped sales across both major domestic app markets within five days.
