There are characters that grow little by little, almost without us noticing it. Others change so abruptly that it seems that there is nothing left of who they were. Demon Slayer: Kimetsu no Yaiba It is full of those moments that mark a before and after in those who are part of this story. Because in a war against demons, no one comes out the same.
Here are the 10 characters that have changed the most since the beginning. Some for the losses they faced, others for what they learned, but they all left behind something of themselves along the way.
10. Demon Slayer Zenitsu Agatsuma

We met him crying, trembling, begging for his life. But we also saw how he clung to how little he had to protect those he loves. Zenitsu He is still afraid, but he doesn’t run away anymore. That change, although silent, is one of the bravest.
9. Kanao Tsuyuri

At first she was just a quiet girl, broken inside, who needed a coin to decide even the most basic. today, Kanao He has voice, his own decisions and a force that goes beyond the sword. He learned to feel, and to fight for what he wants.
8. Genya Shinazugawa

Genya It was all contained rage, as if carrying the world was his only option. Over time we discover its history and its hidden tenderness. His transformation hurts, but he also inspires. He was one of the most loved and lost the most.
7. Nakime

He went from being a background character to a face of horror. Nakime It represents how power can arise in silence. In a world where everyone changes because of what they face, she became more feared than ever, without having to raise her voice.
6. Inosuke Hashibira

Inosuke It was screams, headbutts and muscles. But also a lost boy looking for his place. With every battle, with every shared smile, he became less beast and more human. He learned to trust, even if it’s hard to admit.
5. Gyomei Himejima

We always saw him crying in Demon Slayer, as if he was carrying guilt that no one else understood. Then we knew why. Gyomei Not only is he physically stronger, he is also emotionally so. His faith, his pain and his compassion made him an almost spiritual figure.
4. Nezuko Kamado

From human girl to fierce demon. From fierce demon to symbol of hope. Nezuko CHe moved inside and out. Its evolution is not only physical, it is emotional. She is still the sister of Tanjiro, But now it is also his strength and his promise.
3. Muichiro Tokito

No memories, no emotions, no direction. That was MUCHIRO at the beginning. But when he recovered what was lost, he also woke up the best of himself. His change was a silent redemption, and that’s why it hurts so much. Because he felt again, just before losing everything.
2. Tengen Uzui

Bright, noisy, extravagant. But also wounded, exhausted and full of love. TENGEN He left behind the ego to become a mentor and protector. His sacrifice was more than physical: it was the closing of a cycle, the birth of a new version of himself.
1. Tanjiro Kamado

Tanjiro It’s not just a brother anymore. He is a survivor, a leader, a symbol of compassion in a cruel world. Every wound he has received, every loss he has endured, has made him stronger, but also sadder. Its light continues to shine, but not without scars.
All these characters have been through a lot since Season 1, and that evolution is part of what makes Demon Slayer So special. Which of all do you think changed the most? And which one broke your heart?