In the upcoming film “Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle,” the Demon Slayer Corps faces their most perilous mission yet. After rigorous Hashira Training, Tanjiro Kamado and his comrades prepare for a final confrontation with the Demon King, Muzan Kibutsuji. Their battleground is the enigmatic Infinity Castle, a labyrinthine stronghold with shifting architecture that defies the laws of physics, serving as the demons’ sanctuary.
The Infinity Castle’s warped gravity allows demons to stand upright, upside down, or even perpendicular on walls, moving in ways that seem impossible. With no sunlight penetrating this fortress, demons can inhabit it continuously, even during the day.
As the Demon Slayer Corps infiltrates this treacherous domain, they engage in fierce battles against Muzan’s elite forces, including formidable Upper Rank demons. Each member must confront their own limits and fears, relying on their training and bonds to persevere. The stakes have never been higher, as the outcome of this conflict will determine the fate of humanity.
Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle” is set to premiere in Japan on July 21, 2025, with international releases to follow.
Overview
Aspect | Details |
---|---|
Movie Title | Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle |
Plot | The Demon Slayer Corps infiltrates the Infinity Castle to battle Muzan Kibutsuji and his elite demons. |
Setting | A shifting, physics-defying fortress where demons can exist at all times. |
Main Antagonist | Muzan Kibutsuji |
Major Battles | Fights against the Upper Rank demons inside the Infinity Castle. |
Key Characters | Tanjiro Kamado, Nezuko Kamado, Zenitsu Agatsuma, Inosuke Hashibira, Hashira members. |
Movie Premiere (Japan) | July 21, 2025 |
International Release | To follow after Japanese release. |
Infinity Castle Details | A labyrinth with shifting gravity where demons move in impossible ways. |
Source Links | Collider, Polygon, Los40 |
Starcast Demon Slayer
Actor | Character (Voice Role) |
---|---|
Natsuki Hanae | Tanjiro Kamado |
Yoshitsugu Matsuoka | Inosuke Hashibira |
Hiro Shimono | Zenitsu Agatsuma |
Akari Kitō | Nezuko Kamado |

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Story/ Plot
The Demon Slayer Corps infiltrates the Infinity Castle, a shifting, physics-defying fortress, for their final battle against Muzan Kibutsuji and his elite Upper Rank demons. As the warriors navigate the unpredictable structure, they must push beyond their limits to determine the fate of humanity.
Faq
The movie will premiere in Japan on July 21, 2025. The international release will follow later.
The Infinity Castle Arc will be a trilogy, so this is the first of three movies adapting the final saga.
The Infinity Castle is a labyrinth-like fortress with shifting gravity, serving as the stronghold of Muzan Kibutsuji and the Upper Rank demons.
Main characters include Tanjiro, Nezuko, Zenitsu, Inosuke, and the Hashira as they face Muzan and his demons.