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...
As we have no way of knowing
what moves Muzan Kibutsuji will be making...
إنّنا نجهل ما الحركة الّتي سيقوم
...بها كيبوتسوجي موزان تاليًا
Wir wissen nicht, wann Kibutsuji Muzan
als Nächstes zuschlagen wird,
No sabemos cuál será la próxima acción
que hará Muzan Kibutsuji.
No sabemos cómo actuará
Muzan Kibutsuji a continuación.
Nous ignorons
quand Kibutsuji Muzan agira.
Al momento non possiamo sapere 
come intenderà agire Kibutsuji Muzan.
Não temos como saber que tipo de 
movimentação Muzan Kibutsuji vai fazer...
Мы не знаем, каким будет
следующий ход Мудзана Кибуцудзи.