The Demon Slayer movie "Demon Slayer: Kimetsu no Yaiba – Infinity Castle" has a runtime of 155 minutes , which is 2 hours and 35 minutes long. This makes it longer than the previous Demon Slayer movie, Mugen Train, which was 117 minutes (1 hour 57 minutes) long. The Infinity Castle movie is part of a trilogy and serves as the beginning of the conclusion of the anime saga.
