Tanjiro's sword is still not ready. The swordsmith Haganezuka tries to concentrate on finishing while Tanjiro and his friends engage the two upper-rank demons, Hantengu and Gyokko, in a ferocious battle. Hantengu continues to create different forms to attack the Demon Slayers. Meanwhile, the Mist Hashira Tokito regains his memories of the past and confronts Gyokko, but what will these memories reveal?
