5 Years Later, Demon Slayer: Mugen Train Still Surpasses Demon Slayer: Infinity Castle

Since its debut, Demon Slayer has consistently delivered some of the most beautiful animation in anime. The studio Ufotable has continually raised the bar with each season, and the latest installment, Demon Slayer: Infinity Castle, is their most impressive work yet. This nearly three-hour film captivates audiences with stunning visuals as Tanjiro Kamado and the other Demon Slayers venture into the Infinity Castle, determined to finally defeat Muzan Kibutsuji and end the conflict.

The movie tries to cover too much ground in its almost three-hour length, which makes it feel chaotic. It immediately throws viewers into a complex setting, the Infinity Castle, with several large battles happening right away. While it stays true to the story from the manga, the film doesn’t flow well as a standalone movie. It feels disjointed, with multiple moments that feel like the ending. This is why many still consider the first Demon Slayer movie, Mugen Train, which came out over five years ago, to be a stronger film, despite the high production value and length of Infinity Castle.

Demon Slayer: Mugen Train Works Better as a Movie Than Infinity Castle

Demon Slayer: Mugen Train picks up immediately after the first season. Tanjiro Kamado and his companions – Nezuko, Zenitsu, and Inosuke – join forces with Kyojuro Rengoku, the Flame Hashira, to investigate a series of disappearances on a train. They discover that a powerful demon named Enmu, who can control people’s dreams, is responsible. The movie focuses on the team working together and really showcases Rengoku’s vibrant personality, making him the heart of the story.

The tension rises as Enmu uses his ability to put everyone, including Rengoku, into a deep sleep. However, with Nezuko’s help, Tanjiro manages to wake up, and the group launches their counterattack to defeat Enmu while protecting the innocent passengers. This leads to an intense and engaging battle where the young Demon Slayers initially struggle but eventually turn the tide. Even then, Enmu proves overwhelming until Rengoku steps in and decisively defeats him, showcasing the true strength of a Hashira. Just as victory seems certain, the film takes a sharp turn with the arrival of Upper Moon Rank 3, Akaza, who challenges Rengoku.

The fight between Akaza and Rengoku is one of the most visually impressive battles not only in Demon Slayer, but in all of anime. Rengoku’s determination to remain a Demon Slayer, along with flashbacks to his past, make the fight incredibly tense and emotionally powerful. It all leads to a heartbreaking sacrifice, as Rengoku fights until sunrise and forces Akaza to flee. The episode feels like a complete, high-quality anime movie with a smooth flow and consistently strong emotional impact. In contrast, the latest Demon Slayer film, Infinity Castle, doesn’t quite come together as a cohesive movie; it feels more like a collection of episodes that would have been better suited for a full anime season.

Demon Slayer: Infinity Castle Should Have Been a Proper Seasonal Anime

The newest Demon Slayer movie, Infinity Castle, doesn’t focus on a single, strong story for its characters. Instead, it jumps between three main events and several smaller ones, making it feel disjointed. Even though the movie is almost three hours long, it feels rushed, with things happening so quickly that it’s hard to fully connect with what’s happening. Just as you start to feel the impact of a character’s death, like Shinobu Kocho’s, the movie immediately moves on to another action sequence, not allowing the emotional moment to truly sink in. The storytelling feels especially jarring when a character is quickly tied to a past legend almost immediately after their death.

Watching the film felt a bit like trying to follow three separate stories all crammed into one. It jumped between different character arcs, climaxes, and explanations so quickly it was hard to keep up. Honestly, it felt like it would have worked much better as an anime series, maybe around 11 or 12 episodes like some of the longer arcs they’ve done. That would have given everything room to breathe and allowed the audience to really absorb what was happening. I worry the next movie might suffer the same problem if they keep this pace. It seems like only the final film in the trilogy will truly stand on its own as a complete movie experience. For now, I still think Demon Slayer: Mugen Train is the strongest film in the series.

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2026-04-26 16:13