Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle is a 2025 Japanese animated dark fantasy action film adapting the "Infinity Castle" arc from the Demon Slayer manga and anime series. It follows Tanjiro Kamado and the Demon Slayer Corps as they are trapped in the Infinity Castle, the demons' stronghold, setting the stage for the final battle between the corps and the demons. The film features major battles against powerful demons including Upper Rank demons, with vivid animation, emotional storytelling, and intense fight sequences. It is part of a trilogy and a direct sequel to the anime's fourth season and previous movie Mugen Train. The film was released starting July 18, 2025, in Japan and later internationally, breaking box office records and receiving praise for its visuals and action.
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