Demon Slayer Mugen Train Review: Why Popularity Doesn’t Translate to Quality

Since the Demon Slayer movie is now on Funimation, we figured that is the last time we will get to talk about it. So, how did Demon Slayer Mugen Train fair when compared to its anime? Let us find out.

The first thing that can be said about the movie is you absolutely will not enjoy it that much if you haven’t seen the anime first. Now, the anime is obscenely popular. Most people who watch anime have seen it; the fact remains that your Dad who accompanied you into watching “That Japanese Cartoon Movie” will not get much out of this experience.

The movie doesn’t get a whole lot better for people who have watched the anime, though. The primary reason for that is that even though the movie is manga canon, unlike most other anime movies, there’s not much that happens in it.

Demon Slayer Mugen Train- The Plot and Characters

Demon Slayer Mugen Train Intro

“Falling forever into an endless dream… Tanjiro and Nezuko, along with Zenitsu and Inosuke, join one of the most powerful swordsmen within the Demon Slayer Corps, Flame Hashira Kyojuro Rengoku, to face the demon aboard the Mugen Train on track to despair.”

Our and the world’s favourite protagonist Tanjiro has now set off on a new adventure, one that involves killing a ton of demons, of course. The rest of the goons are there with him, including the lovely Nezuko, the annoying Zenitsu and the unbearable Inosuke. But the movie isn’t really about them. It is about the Flame Hashira, Kyojuro Rengoku, who carries this entire almost 2-hour experience on his back.

The movie revolves around his principles and how he chooses to enforce them using his strength. But that is all. Other than him, during the movie’s entire runtime, we do not learn anything else about the universe or the characters residing in it. 

Also Read: Netflix’s Trese Review: A Kickass Protagonist and Lots of Thrills

Demon Slayer Mugen Train Characters

We already knew that Tanjiro was determined, strong and had a strong sense of smell and justice. Similarly, we already knew that Zenitsu was annoying and useless and that Inosuke was annoying and dumb. The movie didn’t tell us anything different about these characters or advance them in any way visible to us.

Stories where nothing happens can still be entertaining, and that’s precisely what Demon Slayer Mugen Train is. It is an absolute blast to watch, with tons of great action sequences sprinkled between the character moments. That is, until the final 15 minutes.

At a point where you would expect a different movie to end, Demon Slayer Mugen Train goes a step further. It raises the stakes tenfold and increases the sense of danger. It delivers a final excellent action sequence, then a decision by Tanjiro so stupid that it threatens to roll back his entire growth that occurred in the first season. All of that sounds good but doesn’t feel earned, and the movie fails to fulfil the promises it assured it would just 15 minutes ago.

Demon Slayer Mugen Train Villain
Demon Slayer Mugen Train- The awful Villain

Speaking of the plot, the villain is terrible who delivers the series’ trademark awful villain monologue and is long forgotten even before the credits roll. Comedy is subjective, of course, but Demon Slayer’s comedy doesn’t work. When all of your “funny” scenes involve a man with a boar head screaming for the express purpose to burst your eardrums, maybe it’s time to stop.

It’s not all gloom and doom, though. Calm down.

There are some plot conveniences here and there, but they can be excused since that’s just all shonen anime for you. Demon Slayer Mugen Train does manage to hit some fantastic moments, most of them involving the real protagonist, Kyojuro Rengoku. Rengoku is just a fantastic character all around, and I appreciate that his story got told in the highest-grossing anime and Japanese movie of all time.

The Art and Music

Demon Slayer Mugen Train Animation

It was great! What did you expect? It’s Demon Slayer Mugen Train! The Watercolour style drawings bring a fantastic touch to the series, as always. The music, created by Go Shiina and Yuki Kajiura, brings depth to the fantastic depictions of glorious anime violence. Some weird red train sludge looked off at times, but otherwise, it was nothing to complain about.


Demon Slayer Mugen Train is emotional at times and a lot of fun to sit through. Once you get past the annoying plot details and unfunny comedy, it’s quite a fun experience to have with someone who loves anime just as much as you. Just don’t go in expecting a masterpiece. Demon Slayer is immensely popular for a reason, and there is no way it could have even gotten close to this level of popularity without a modicum of quality.

You can watch Demon Slayer Mugen Train by going to your favourite movie theatre, buying it online from the Microsoft Store, iTunes, or making an account on Funimation.

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Demon Slayer Mugen Train is emotional at times and a lot of fun to sit through. Once you get past the annoying plot details and unfunny comedy, it’s quite a fun experience to have.


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