As fans await the new season of Demon Slayer, some of them might become curious about the new stories that might be unveiled and what the Hashira Training Arc holds in store for them. This arc features the harsh training that every member of the Demon Slayer Corps, including the Hashira, undergoes to become stronger and prepare themselves for the coming of Kibutsuji Muzan in his hunt to find Nezuko and assimilate with her.