The Hashira, Sanemi and Iguro, along with their comrades head to an abandoned castle on top of a mountain for a mission, while Tanjiro is being treated at the Butterfly Mansion for the wounds he suffered at the Swordsmith Village. Later on, the Hashira gather at the Ubuyashiki Mansion to hold a Hashira meeting, where Muichiro reveals how the marks manifested. In an effort to strengthen the entire Demon Slayer Corps from the bottom up, the Hashira Training begins...
Are you a moron or what?
Lady Kocho's going to kill you!
!هل أنت غبيّ أم ماذا؟
!سوف تقتلك كوتشو-ساما
Hast du sie noch alle?!
Kochō-sama bringt dich um!
Você é idiota! A Srta. Kocho vai te matar!
Вот ведь безмозглый!
Тебя Котё на лоскуты порвёт!
แกบ้าไปแล้วเหรอ?