Following a string of decisive confrontations with Upper Rank Demons, the Ubuyashiki family readies itself for a final showdown against Muzan Kibutsuji"s infernal legions. To ensure the Demon Master"s ultimate defeat, they establish a training ground for the Demon Slayer Corps, guided by the surviving Hashira—the organization"s top fighters. Each Hashira designs a focused drill that sharpens both their personal prowess and the abilities of regular warriors, ensuring cohesion for the Corps' collective strength and unity in battle at every turn.
At the center of the escalating conflict, Tanjirou Kamado heals from injuries sustained in a recent clash. While his half-Demon sister Nezuko is examined by scholars such as Shinobu Kochou, Tanjirou sets out to train under the Hashira, striving for mastery in each of their specialized domains so he can be fully equipped for the impending war—skills essential to Tanjirou, who has pledged to become the warrior that will finally vanquish Muzan for ever.