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...
So, you're inching
closer to their level.
.إذًا فأنت تقترب من مستواهما
Lang dauert’s nicht mehr,
dann bist du auch wie die …
Tú vas poco a poco acercándote a ellos…
Poco a poco, ¿eh?
Tú te acercas a ellos poco a poco.
Tu t’en approches de plus en plus, hein.
Petit à petit.
Guarda che ti stai avvicinando a loro,
Então você está aos poucos 
se aproximando deles.
Мне кажется, ты их скоро нагонишь.
Очень скоро.
นายเองก็ใกล้เคียงเขาเข้าไปทุกทีแล้ว...