One Piece Season 21 Episode 1004
An Inherited Technique! Unleashing Oden’s Secret Swordplay!
While Luffy is hurrying to the rooftop and Yamato is trying to catch up to Momonosuke to protect him, the Akazaya members finally face off against Kaido. Hearing Kaido jeering at them for being weak, the samurai retainers attack him relentlessly, remembering the day Oden told them to master his sword skill.