Return to Konoha

As the three newly appointed Hashira of the Demon Slayer Corps, their new Nichirin Blades would be forged by the Swordsmith Village's most skilled craftsman, its chief, Tetsujin Kawahara Teijo. "Ugh! How is this possible?! How could the Nichirin Blade I painstakingly forged end up like this?! Could it be that Upper Rank Three possessed some Blood Demon Art that controlled flames? Just how high would the temperature have to be to do this?!