The final showdown is amongst us. Demon Slayer recently announced an upcoming adaptation of the series’ final arc, Demon Slayer: Infinity Castle Arc. Not long after the final episode premiere of Demon Slayer: Hashira Training Arc in Japan, official accounts announced that an Infinity Castle Arc movie trilogy is set to be released. In the mysterious dimension-altering, wall-shifting Infinity Castle, the arc marks the final assault between humans versus, and the castle serves as a witness to some of the most notable battles in the series.