The only thing he's weak to is the sun. That is why he turned other humans into demons and spread his blood so that one of them might find a solution against the sunlight, so he can become truly perfect.
Even 400 years later, Muzan's fear of Yoriichi remained fully intact, as simply laying eyes on Tanjiro's hanafuda earrings caused him to recall their clash.
The explosion, which was enhanced by spike traps, manages to injure Muzan. Before he is able to regenerate fully, Tamayo appears and uses her Blood Demon Art to keep him in place, while using a drug that can turn him into human. Using this opportunity, Gyomei Himejima appears and destroys Muzan's head.
The two known demons who broke free of Muzan's curse are Tamayo and Nezuko. Tamayo was able to break free of the condemnation when Yoriichi fought Muzan, nearly killing him in the process. During this weakened state, Yoriichi let Tamayo go, free her from Muzan, and free her from the curse.
It is revealed that Muzan's true fear of dying and immense desire to live and survive was due to him being born "dead," where his heart would constantly stop in his mother's womb and was assumed stillborn until he fought to breathe before his cremation.
Akaza was also one of Muzan's favorite demons out of all his subordinates. The reason behind this is Akaza's extreme loyalty to his master. The Upper Rank Three demon was always sent away on special missions, something the Upper Rank 1 and 2 were often denied of.
Yoriichi was incredibly proficient in his Sun Breathing, being able to take down demons effortlessly and even overwhelm the Demon King and strongest Upper Rank.
Don't go! DON'T LEAVE ME HERE! Muzan speaks his final words as he loses control over Tanjiro.
The first demon that is said to have existed was Muzan Kibutsuji. The one who turned him into a demon was a generous doctor from the Heian Period, who wanted to save Muzan from death since, at the time, he was diagnosed with a disease which would kill him before he turned twenty.
Nezuko broke her ties to muzan by not eating ppl. So muzan has no curse to abuse. This wasn't explained in the anime, but Nezuko was able to remove the curse of Muzan on her own way, just like what Tamayo (Demon doctor) did. This was when Tanjirou and co.
1) Yoriichi Tsugikuni
His powers were beyond comparison as he defeated Muzan once and had him on the verge of death until he managed to escape.
11. The demon slayers successfully defeated Muzan. Now the world can finally find peace. However, before they can celebrate their victory, they realize that Tanjirou has died when preventing Muzan from running away.
The Water Hashira, Giyu, survived the "Infinity Castle" arc after fighting at Tanjiro's side against both Akaza and Muzan.
Abilities. Demon Body: Unique from other demons, he possesses seven hearts, and five brains. These are responsible for his powerful vitality, should any of them be harmed, he will be severely weakened.
Fun fact: The reason why Enmu was able to say Muzan's name out loud without dying is because they're married!
11/15 Anos Voldigoad Can Destroy Muzan With His Eyes (The Misfit Of Demon King Academy) In the Mythical Age of The Misfit of Demon King Academy's history, Anos Voldigoad was known as the Demon King of Tyranny. He possesses a multitude of powers, including some that transcend both space and time.
Technically, the elder of the two Sakuras` was actually Muzan`s child, by way of his mistress (Lady Jade Wong), who had one of her eggs inserted into Anne`s body.
Being a demon, Muzan is capable of living for many, many years. However, unlike other demons that have aged over hundreds of years. Muzan is well over 1000 years old. Despite achieving an age that no one else has, his appearance makes him look like an adult man in his early to mid-30s.
After he neutralizes Tamayo's poison and emerges from his flesh cocoon, Muzan's hair grows in length and turns white due to Shinobu's poison accelerating his age.
While Muzan's original goal was to find the Blue Spider Lily plant and complete its medicine, creating a demon capable of withstanding the sun also achieves the same end.
Your top tier villain is rarely cowardly. It's what makes Muzan so interesting as a character. Despite all of his ego and chest-puffing over how powerful he is, he constantly cuts bait to run away at the first sign of trouble.
Yoriichi lived until around 85 years, so: 1432 + 85 = 1517, exactly 400 years prior to when Kokushibo remembered and died.
Muzan injects Tanjiro with all of his blood, turning him into a demon.