What Will Genya Do in Demon Slayer: Infinity Castle? The coolest part of Demon Slayer: Kimetsu no Yaiba Infinity Castle is the fact that it will be adapting the longest single arc from Koyoharu ...

A brutal fight ensues between Kokushibo and several Hashiras. Muichiro and Genya meet their end. The arc concludes with Muzan's departure, setting the stage for the Sunrise Countdown Arc.