Movie Reviews

Demon Slayer Infinity Castle Part 1: Akaza Returns – Anime Movie Review

By Golu • Dec 16, 2025

The Demon Slayer Infinity Castle movie is the next part of the Demon Slayer story. After a big fight, the ground breaks and the heroes fall into a strange castle that never ends. The place is full of demons. The movie shows strong battles, sad moments, and really nice art.

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If you like anime with action and feelings, this movie is a good one to watch.

In this blog, we will talk about the story, the characters, and the fights. I’ll also share what I liked and what didn’t work so well. Everything is written in simple words so it’s easy to read. If you have seen the anime or just want to know more, the Demon Slayer Infinity Castle movie has many things to enjoy.

Let’s start!

What’s the Story? Zenitsu and Shinobu’s Big Moments This anime movie starts with a big fight. Muzan, the most powerful demon, is almost defeated by the Demon Slayer Corps. Just when the team thinks they’ve won, the ground breaks and everyone falls. They land inside a strange, huge castle that keeps moving and changing.

All the demons are there too. It’s scary and confusing. Now the Demon Slayers are lost, trying to find each other. They must stop Muzan before it’s too late. The story is full of danger, surprises, and action. You never know what will happen next.

This is a big part of the Demon Slayer world, and fans will feel excited watching it.

Zenitsu and Shinobu’s Big Moments Tanjiro and Akaza Fight Again Two characters get very special parts in this movie—Zenitsu and Shinobu. We finally learn why they are the way they are. Zenitsu, who was always scared before, stands up and fights bravely. You will be proud of him.

Shinobu tells us more about her past and why she wants to stop demons so badly. These moments make us feel closer to them. You can see their pain, their hopes, and their dreams. These parts are shown during fights as flashbacks.

Even though the movie cuts back and forth, these scenes help you understand the characters better. It’s nice to see them grow and change.

Tanjiro and Akaza Fight Again Demon Slayer Corps One of the biggest fights in the movie is Tanjiro vs. Akaza. If you’ve seen their fight before, you’ll be happy to know they meet again. This time, Giyu helps Tanjiro. The battle is long, powerful, and full of strong feelings. Akaza is still fast and strong.

Tanjiro uses everything he has. The fight is not just about swords—it’s also about heart and will. The movie shows how much Tanjiro has learned. Giyu adds balance and power to the fight. You will want to cheer for them. This fight is one of the most exciting parts of the movie, and it keeps you watching closely.

How the Movie Looks (Animation and Art) Demon Slayer If you love anime, you know how important the animation is. This movie looks amazing. Every scene is full of color and detail. The castle they are in is huge and strange. It keeps changing, which makes it feel like a dream. The way the characters move is smooth.

Their faces show every feeling. You can pause the movie anytime and it will still look like a picture you can hang on your wall. The fight scenes are super clear and fun to watch. The people who made the movie really worked hard to make it beautiful.

Music and Sounds Tanjiro and Akaza Fight Agains The music in this movie also stands out. When the fight gets tense, the music helps you feel the moment. When something sad happens, the music slows down and matches the mood. The songs by LiSA and Aimer fit the story well. There are new songs made just for this movie.

The sound of swords, running, and voices are done very well too. It makes the whole movie feel real. Even if you just listen with your eyes closed, you will feel the emotion. Music helps make the story feel alive, and that’s why it’s so important in anime movies.

The Way the Story is Told Why Fans Still Like It Sensei One thing that might feel strange is how the story is told. A fight starts, then the movie suddenly stops to show a flashback. After the flashback, it goes back to the fight. This happens many times. The flashbacks tell us more about the characters and their past.

That’s good. But it also makes the fight stop again and again. Sometimes this breaks the feeling. You get excited about the fight, then it stops. Then you wait for it to start again. This happens too much. It can make the movie feel slow or long. But the flashbacks are still important to the story.

Why the Movie Feels Long Zenitsu and Shinobu’s Big Moments This anime movie is about 2 hours and 30 minutes long. That’s a long time to sit and watch. Because the story keeps switching between fights and flashbacks, the movie feels even longer. Sometimes you might feel tired.

When the same pattern happens again and again, it’s easy to lose focus. You want the fight to end or the story to move forward. This doesn’t mean the movie is bad—it just means it’s not always easy to watch in one go. Some people might enjoy the details, but others may feel a little bored after a while.

Mugen Train vs. Akaza Returns senseiBlogs Let’s talk about the last movie, Mugen Train. That movie had one train, one demon, and one story. It was easy to follow and full of emotion. It felt like a full story with a beginning and an end. In Akaza Returns, there’s more going on.

There are many fights, more characters, and a moving castle. The story is bigger, but also more messy. You might feel lost sometimes. I liked Mugen Train more because it was easier to understand. This movie tries to be big and serious, but sometimes too much happens at once.

Why Fans Still Like It sensei blogs Even with the problems, many people still enjoy this movie. If you’ve watched all of Demon Slayer, you care about the characters. You want to see what happens to them. You want to see how they fight, grow, and maybe say goodbye. That’s why fans love this movie.

It gives us more of the people we know. The music, the fighting, and the beautiful art keep us watching. If you’re a big fan, you’ll be happy with this movie. If you are new, it might be a little confusing. But it’s still worth watching for the action and feeling.

Final Score and Review Let’s give this movie a simple score:

Story: C‑ (a bit slow and messy) Animation: A (beautiful and smooth) Art: A (every scene looks great) Music: B+ (songs and sounds match the story) Overall: C+ Here’s what’s good:

The fights are fun to watch. The music is emotional. The art is very pretty. The characters feel real. Here’s what’s not so good:

The movie is too long. The story jumps around too much. Some scenes feel like they repeat.

Conclusion

The Demon Slayer Infinity Castle movie is the next part of the Demon Slayer story. After a big fight, the ground breaks and the heroes fall into a strange cast…

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Golu
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