An Upper Rank Demon has been defeated for the first time in a hundred years by Uzui, Tanjiro and his comrades' effort. This news causes a ripple effect not only among the members of the Demon Slayer Corps, but also the Upper Rank Demons, who have been summoned by Muzan Kibutsuji. Meanwhile, Tanjiro is recovering at the Butterfly Mansion when he discovers that he has upset his swordsmith Haganezuka after chipping his sword and decides to head to the village where the swordsmiths live to talk to him in person.
That's why...
...لهذا السّبب
Darum weiß auch niemand, wo es ist.
Por eso nadie sabe dónde está ubicada.
Por eso su localización es secreta.
Aussi, personne ne sait
où il se situe.
इसीलिए...
Ecco perché nessuno sa dove si trovi.
Por isso...
Поэтому… никто не знает,
где она находится.