Here is everything you need to know about the best villains in Demon Slayer.

Kokushibo

Kokushibo holds the spot of Upper Rank One in the 12 Kizuki, making him the most powerful among them. Before becoming a demon, his name was Michikatsu Tsugikuni and he was a Demon Slayer.

He was also the older twin brother of the most powerful Demon Slayer ever, Yoriichi Tsugikuni. While he felt a lot of jealousy towards his brother due to his power and accomplishments, he still cherished him. Humble and reserved, he does not speak much and admits wrongs.

Daki

Daki is an important villain during the Entertainment District arc and acts as the Upper Rank 6 of the 12 Kizuki. She grew up as a human in poverty under the name of Ume. Her brother practically raised her due to their mother’s illness.

Despite being very old, she has a very childish personality and throws many tantrums in part. Despite all that, Daki is a powerful fighter, having eaten 7 Hashiras in the past. She was also able to hold back Zenitsu, Inosuke, Makio, and Suna on her own for some time. Her brother and she can also coordinate their attacks incredibly well, making them a dangerous pair.

Doma

Doma is a powerful antagonist who makes his debut during a flashback in chapter 96. He is also the leader of a cult referred to as the Eternal Paradise Faith which worships him. Doma consumes some of his cult followers and was the one who kills and eats Inosuke’s mother, Kotoha Hashibira.

As one of the most powerful Demons in the series, Doma has a strong preference for eating young women. His weapon of choice is Golden War fans, he can easily overwhelm most characters.

Muzan Kibutsuji

Muzan Kibutsuji is the leader of the Twelve Kizuki as well as the most powerful Demon to have ever lived. Muzan is referred to as the Demon King as he was the very first Demon to ever be created. During the Heian era, an experimental treatment was used on him to treat his terminal illness.

Cruel and ruthless, he rarely shows any emotions and is usually just stern. He brutally kills anyone he wants out of his path and he is not any kinder to his subordinates. He is so powerful that none of the Upper Ranks’ power comes even remotely close to his.