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...
I believe that my heart rate exceeded
200 beats per minute at that moment.
Acredito que nessa hora meus batimentos 
cardíacos superaram 200 por minuto.
Скорее всего, сердце в тот момент
билось чаще двухсот раз в минуту.