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 would like to thank you Hashira
from the bottom of my heart.
.أودّ أن أشكركم أيّها الهاشيرا من أعماق قلبي
Ich möchte allen Säulen meinen
aufrichtigsten Dank aussprechen.
Permítanme expresar mi gratitud infinita
a todos los Pilares.
Os lo agradezco de corazón, Pilares.
Je remercie du fond du cœur
chacun d’entre vous.
È a tutti voi Pilastri
Eu gostaria de agradecer aos 
Hashira do fundo do coração.
Я от всего сердца
благодарю каждого из столпов.