Netmarble has launched a Demon Slayer collaboration in its fantasy RPG Seven Knights Re:BIRTH in Japan. The event began on October 1, 2026, and brings characters from the popular anime into the game.
The collaboration runs in two parts through October 29, 2026, with the second phase scheduled to begin on October 15. Check the event period and app availability in the facts table below before playing.
The first phase features Tanjiro Kamado and Zenitsu Agatsuma in pickup summons. Giyu Tomioka and Shinobu Kocho are planned for the second phase, while Nezuko Kamado appears as a collectible legendary pet. The first-day login reward includes Tanjiro, and players can develop him through awakening.
About the Demon Slayer Collaboration
The crossover combines the anime’s characters and themes with Seven Knights Re:BIRTH’s turn-based battle system. Demon Slayer follows the struggle between humans and demons, with sword fights, emotional character stories, and occasional comedy. The series is based on Koyoharu Gotouge’s manga and is animated by ufotable.
Highlights
- Tanjiro Kamado and Zenitsu Agatsuma appear in the first phase’s pickup summons.
- Giyu Tomioka and Shinobu Kocho are scheduled to join in phase two.
- Nezuko Kamado is available as a legendary pet during the collaboration.
- The first-day login reward includes Tanjiro, who can be developed through awakening.
- The new Infinity Castle event lets players clear floors to earn rewards.
- An event challenge features Akaza as a boss.
Collaboration Event Details
| Item | Details |
|---|---|
| Name | Seven Knights Re:BIRTH and Demon Slayer collaboration |
| Menu / items | Tanjiro Kamado, Zenitsu Agatsuma, Giyu Tomioka, Shinobu Kocho, Nezuko Kamado, Infinity Castle, and Akaza event challenge |
| Period | October 1, 2026 – October 29, 2026, until maintenance begins |
| Location | Seven Knights Re:BIRTH mobile game and PC launcher |
| Stores | App Store; Google Play; Netmarble Launcher for PC |
| Price | Basic service with optional in-app purchases; no separate collaboration price stated |
| Official website | Collaboration website Seven Knights Re:BIRTH official website |
Before you buy
- When does the Seven Knights Re:BIRTH collaboration start?
- The event starts on October 1, 2026, and continues until maintenance begins on October 29, 2026.
- Where can I play Seven Knights Re:BIRTH?
- The game is available through the App Store, Google Play, and the Netmarble Launcher for PC.
- What is included in the Demon Slayer collaboration?
- The event includes crossover characters, the Nezuko Kamado legendary pet, the Infinity Castle content, and an Akaza event challenge.
