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...
It is said that every one of them came to bear
a mark similar to demonic patterns.
قيل أنّ كلّ واحد منهم تمكّن من الحصول
.على علامة مشابهة لأنماطٍ شيطانيّة
Auf all ihren Körpern sollen
sich Zeichen offenbart haben,
con Muzan Kibutsuji, presentaban marcas
con patrones parecidos a los demonios.
Todos ellos exhibieron
marcas similares a las de los demonios.
Sur chacun d’entre eux,
pare avessero manifestato
Eles disseram que cada um deles passou a 
carregar marcas similares às de demônios.
У каждого из них на теле появилась
метка, похожая на демонические узоры.
เหมือนเขาทุกคนนั้น...