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'm thinking of asking the retired Hashira
to help out, as well.
أفكّر في طلب مساعدة الهاشيرا
.المتقاعدين أيضًا
Ich denke darüber nach,
auch frühere Säulen um Hilfe zu bitten.
Nos ayudará uno que ya se ha retirado.
J’aimerais demander l’aide
d’un pilier à la retraite.
Pensavo di chiedere aiuto 
anche a quelli che si sono ritirati.
Eu estou pensando em pedir ajuda 
ao Hashira que se aposentou.
Я хочу обратиться за помощью к тем,
кто вышел в отставку.