Infinity Castle

It is the final battle between the remaining uppermoon demons and demon slayers, giyu mitsuri shinobu muichiro gyomei sanemi obanai tanjiro zenitsu inosuke kanao and genya are all fighting, sanemi gyomei genya and muichiro are fighting uppermoon 1 kokushibo who just happens to be the ancestor of muichiro however, while they were all fighting muichiro got split in half Horizontally his lower half got split off by a crescent moon blades that uppermoon 1 summoned with his breathing style. And in this one genya survived so sanemi gyomei and genya are the only ones who survived the fight between uppermoon 1 muichiro is the youngest hashira at only 14 years old and right now gyomei sanemi and genya are gathered around muichiro's body shedding tears