Demon Slayer Infinity Castle Part 1 [Anime Movie] – Info, Plot, Main Characters

Demon Slayer: Infinity Castle Part 1 (Anime Movie)

_{Genre: Action / Adventure / Fantasy / Drama}

Japanese Title: 劇場版「鬼滅の刃」無限城編, (Gekijō-ban Kimetsu no Yaiba: Mugen Jō-hen)

Year of Release: 2025

Origin: Japan

Runtime: 2 hours and 35 minutes

Director: Haruo Sotozaki

Production: Ufotable

TV: Demon Slayer: Kimetsu no Yaiba Anime Series 2019 – 2024 (4 seasons, 63 episodes)

Manga: Demon Slayer: Kimetsu no Yaiba Manga 2016 – 2020 (23 volumes)

Video Games: Demon Slayer: The Hinokami Chronicles (2021)

^{*The series produced a few different video games. The one mentioned above is most popular.}

Facts: The film ranked as the seventh-highest-grossing movie of 2025, achieving a worldwide gross of $781 million. Furthermore, it secured the title of the highest-grossing international film within the U.S. during that same year.

Plot Overview

Demon Slayer: Kimetsu no Yaiba – Infinity Castle marks the commencement of a cinematic trilogy dedicated to adapting the manga’s climactic Infinity Castle arc. The narrative picks up directly after the events of the Hashira Training arc, thrusting the Demon Slayer Corps into a surprise assault orchestrated by Muzan Kibutsuji. This offensive draws Tanjiro and his resolute allies deep into the Infinity Castle, a treacherous bastion of demonic power.

Within the castle’s disorienting confines, the Demon Slayers find themselves isolated, each compelled to confront a formidable Upper Rank demon. These encounters are intensely personal, unveiling profound connections and histories shared between the protagonists and their adversaries. The film masterfully interweaves high-octane action sequences with deeply emotional moments as the characters battle not only for their lives but to save their comrades and achieve the ultimate defeat of Muzan.

Main Characters

Tanjiro Kamado: The story’s central figure, driven by the singular mission to find a cure for his sister Nezuko’s demon curse. A member of the Demon Slayer Corps, he employs the devastating techniques of Water Breathing.
Nezuko Kamado: Tanjiro’s younger sister, tragically transformed into a demon, yet she retains her humanity and fights fiercely to protect innocent lives.
Zenitsu Agatsuma: A fellow Demon Slayer whose mastery of Thunder Breathing is formidable. Though often appearing timid, he reveals extraordinary strength when true danger arises.
Giyu Tomioka: The stoic Water Hashira, a revered figure within the Demon Slayer Corps, who offers steadfast support to Tanjiro in their arduous battles.
Shinobu Kocho: The agile Insect Hashira, known for her deadly poison-based fighting style and a deeply personal vendetta against the demons.
Muzan Kibutsuji: The malevolent progenitor of all demons and the story’s ultimate antagonist, whose actions unleash the catastrophic events unfolding.
Doma: A powerful Upper Rank demon who clashes with Shinobu, exposing a tragic past intrinsically linked to her family.
Akaza: An Upper Rank demon whose intense combat with Tanjiro and Giyu provides significant character development and showcases immense power.

This film meticulously lays the groundwork for the series’ ultimate confrontations, expertly balancing visceral action with profound emotional resonance.