Koyoharu Gotouge

The Demon Slayer Corps are drawn into the Infinity Castle, where Tanjiro, Nezuko, and the Hashira face terrifying Upper Rank demons in a desperate fight as the final battle against Muzan Kibutsuji begins.

All the Upper Rank Demons assemble at the Infinity Castle after Upper Six Demons' defeat. (imdb)

This Demon Slayer movie sees Tanjiro Kamado and friends from the Demon Slayer corps board the Infinity Train on a new mission to investigate a mysterious series of disappearances, perpetrated by a demon who has been tormenting people and killing the demon slayers who oppose it.

After a demon attack leaves his family dead and his sister cursed, young Tanjiro Kamado joins the Demon Slayer Corps. He embarks on a perilous journey to find a cure for his sister and avenge his family. Accompanied by fellow warriors, he faces formidable supernatural foes in a visually stunning battle between humanity and the forces of darkness.