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...
However, I do need to convey one thing to you
regarding this mark training.
ومع ذلك، أريد إبلاغكم بشيء واحد
.بخصوص تدريب العلامة هذا
Allerdings ist da noch etwas,
wovon ich Ihnen berichten muss,
Sin embargo, hay una cosa
que debo comunicarles a todos
Pero hay algo que debo deciros
En outre, concernant
votre entraînement à venir,
Tuttavia, 
ho un'ultima comunicazione importante
No entanto, eu preciso avisar uma única 
coisa sobre o treinamento da marca.
Прежде чем вы приступите
к тренировкам,