LOS ANGELES – JANUARY 29, 2026 – Netmarble, a leading developer and publisher of high-quality games, announced a special collaboration between The Seven Deadly Sins: Grand Cross (7DS) and the hit TV anime series FIRE FORCE. The update includes crossover heroes, the 777 Relay Campaign Phase 2, themed events, and various rewards to players worldwide.
Running from January 29 through February 19, the 7DS × FIRE FORCE collaboration introduces three characters from FIRE FORCE into the world of The Seven Deadly Sins: Grand Cross. Three new SSR collaboration heroes join the roster: [Hero of Flames] Shinra Kusakabe, [Red Flame Nekomata] Tamaki Kotatsu, and [Frozen Time] Shō Kusakabe. Shinra Kusakabe, the main protagonist of FIRE FORCE, is designed as a versatile…