Parijat Ghosh 
When Demon Slayer: Kimetsu no Yaiba initially aired in 2019. Back then, no one anticipated it to blow up as one of the greatest anime sensations of the decade. But it has, and now the Demon Slayer: Infinity Castle Arc awaits the Indian Anime Community. It started with Kamado Tanjiro’s journey to be a swordsman in the Demon Slayer Corps, reviving his demon sister, and being pushed into the world of the upper and lower moon demons. But almost 4 seasons and a movie in, Tanjiro, along with Zenitsu and Inosuke, is sweating off his head to keep up with Muzan. With the Infinity Castle movie now about to hit Indian theaters, it feels like the payoff to everything we’ve been through so far. Let’s talk about it.
Unwavering Resolve Arc: A Promise and a Fight for Hope
The first season laid the groundwork with Tanjiro’s journey. The tragic loss and the love he has for Nezuko, his sister, made him fight for the humanity Nezuko still has after turning into a demon.
It wasn’t simply demons and swords—it was hope against despair. By the time we reached the Rui battle on Mount Natagumo, where Tanjiro finally unleashed his Hinokami Kagura, Demon Slayer wasn’t another anime—it was making history.
Mugen Train: Rengoku’s Fire Continues to Burn
Then arrived Mugen Train, the film that left the entire anime community shaken. The Flame Hashira, Kyojuro Rengoku, blazed a trail on screen with his hot-headed personality and unshakeable strength. Tragically, he takes his last fight by the end of the movie.
His confrontation with Akaza was not merely a battle. It was a scene that traumatized Tanjiro, the viewers, and the narrative itself. It increases the characters’ will to search for Muzan, the trails of his demons, and a will to win.
Entertainment District Arc: A Flash of Sound and Fury
If Mugen Train shattered our hearts, the Entertainment District Arc left us reeling with its spectacle. Joining forces with the “flashy” Sound Hashira Tengen Uzui, Tanjiro and his team had to battle the sibling demons Daki and Gyutaro.
The fight took up half a season and was better-looking than most anime movies, with Ufotable demonstrating that they’re in their own league. Even if Tengen had to lose his arm, retire, and no longer serve the Corps, he definitely taught Tanjiro and his friends that even the upper moons aren’t undefeatable.
Swordsmith Village Arc: The Stakes Are Raised
The Swordsmith Village Arc took it to the next level, highlighting Hashiras such as Muichiro Tokito and Mitsuri Kanroji. We also saw Nezuko’s greatest achievement—resisting sunlight, something even Muzan had not been able to do.
It was not only a victory for Tanjiro. It had Muzan desperate, and we knew that he would possibly show up from behind the shadows any day now.
Hashira Training Arc: The Preamble to the Storm
The Hashira Training Arc provided us with room to breathe—and get ready. Tanjiro and his allies were pushed beyond their limits by every Hashira. They were not just learning new techniques but also the unbreakable conviction necessary for what lay ahead.
And, by the end, it all happened. Muzan bursts into the scene, burning down the entirety of the Ubuyashikis. Next thing we know, the Hashiras, Tanjiro, Nezuko, Zenitsu, Inosuke, all of them gather to take his head… but the doors of the Infinity Castle opens up, sucking them into a labyrinth.
Conclusion: The Path Of The Infinity Castle
The last season was the trailer itself for the movie, but Indian fans can’t keep their cool. The tragedy awaits, the adventure awaits, and most importantly- Muzan and his three upper moon demons await.
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