Webin this video, we will explain the epic battle between zenitsu agatsuma and kaigaku, two of the most powerful thunder breathing users in the demon slayer cor. Webzenitsu's new demeanor in the infinity castle arc has impressed fans, who are ready for his clash with kaigaku. The anime has adapted the manga faithfully, but fans. Webzenitsu blamed kaigaku for the bitter end of jigoro, and he also detested kaigaku’s decision to turn against humans. Who wins between zenitsu and kaigaku. Webin the beginning of the fight, zenitsu manages to speed blitz kaigaiku and almost sever his neck. However, during the fight zenitsu is a punching bag and is barely capable of. Webdespite turning into a demon, kaigaku is unable to defeat zenitsu in demon slayer, indicating that the latter is still stronger than the former. However, if kaigaku had. Webboth zenitsu and kaigaku wanted to be better swordsmen. Kaigaku chose to become a demon to break all human possibilities, while zenitsu didn’t rely on any demonic abilities. Webzenitsu agatsuma fights and kills kaigaku, his former senior and an upper rank demon, in the infinity castle arc. The battle takes place in chapters 143 to 146 of the manga and. See the original work, the voice acting, and the feedback from the.