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...
My heart was pounding like crazy!
!كان ينبض قلبي بشدّة
Mein Herz machte „Badumm Badumm“!
¡Y el corazón me hizo "pum-pum"!
El corazón me hacía bum, bum.
mon cœur battait vachement vite,
Il mio cuore batteva fortissimo!
Meu coração batia sem parar!
Сердце заколотилось! «Ту-дум! Ту-дум!»