Leaked Demon Slayer: Infinity Castle Trailer Surfaces Online After Japanese Theater Screening

Daksh Chaudhary
5 days ago
2 min read

Leaked trailer for Demon Slayer Infinity Castle arc

Demon Slayer: Infinity Castle is getting ready for a worldwide release soon. Fans all over the world are waiting for it with a lot of excitement. The movie is expected to be one of the biggest events in anime this year. But when something this big is coming, it’s hard to stay calm and wait.

While fans are counting the days for its release, a surprise came from Japan. A leaked trailer of Demon Slayer: Infinity Castle was shared on X (formerly Twitter), and it has made everyone go crazy. The short video gives us a small look at what’s coming in the new arc, and honestly, it looks amazing.

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Leaked Trailer For Demon Slayer: Infinity Castle Arc

Demon Slayers falling in Infinity Castle

The leaked trailer was shown during the Mugen Train screening in Japan on May 9th, 2025. It begins with a stunning view of the mysterious Infinity Castle, setting the mood for what’s coming. Soon after, we see our favorite Demon Slayer heroes, Tanjiro, Zenitsu, Obanai, Sanemi, and Mitsuri, falling into the castle, looking ready for an epic final battle. The trailer gives a quick but exciting look at the upcoming action and emotions we can expect in this final arc.

The trailer, which was only meant for Japanese theaters, somehow found its way online. It was leaked on X by an account named “Demon Slayer.” As expected, fans across the internet quickly reacted. Many shared their thoughts, showing just how hyped they are. One fan wrote, “This sh*t is going to break the internet when it drops. Anime only’s, this is your final warning. Be emotionally prepared.” Another fan added, “Already looks insane in like 360p. When this comes out, it’s gonna go crazy.”

What Do We Know About Demon Slayer: Infinity Castle So Far?

The Infinity Castle arc is expected to be the most intense part of Demon Slayer so far. This is where the final battle against Muzan and the Upper Moons will take place. Once again, Ufotable is handling the animation, and from the leaked trailer alone, the quality looks better than ever. Fans can also expect some of the most emotional and shocking moments in the entire series during this arc.

The first movie of the Infinity Castle trilogy is set to release in Japan on July 18, 2025. Internationally, it will premiere in Malaysia, Singapore, and Pakistan on August 14; Cambodia, Indonesia, and Vietnam on August 15; and the Philippines on August 20. The United States, Canada, and the UK will see the release on September 12, 2025. The film will be available in both Japanese with English subtitles and English dubbed versions, including IMAX and other premium large formats.