2/10 Biokinesis – Muzan The main feature of his Blood Demon Art is cell and body manipulation, allowing him to shapeshift and alter his body in various ways. He can extend bone-like whips from his back which he uses to perform deadly attacks.
Muzan's Blood Demon Art is, of course, befitting his status as the predecessor of all demons. Besides human transformation into monsters, he can also use his blood to either enhance the strengths of demons under his command or destroy them.
Muzan has the ability to change his appearance which made it so easy for him to hide from the Demon Slayers for decades. During his meeting with the Lower Ranks, he was disguised as an elegant woman wearing a long black yukata, causing the Lower Ranks to not recognize him immediately.
Gyutaro's Blood Demon Art is extremely powerful and fans witnessed how the members of the Demon Slayer Corps struggled against the Upper Moon 6. It allows him to manipulate his blood into sickle-like shapes that can be used to slice and cut his enemies.
During his final struggle, and as a way to slow down the effects of the sun, Muzan adopts an enlarged demonic baby form, approximately as tall as a 3 story building when standing up. In this form he has very pronounced blood vessels across his body, small claws in his hands and fanged teeth in his mouth.
Hoshiko Kibutsuji. The first female demon [of a different orgin], and the younger sister to Muzan Kibutsuji. She loves her brother and was the one who had attacked that man who wore the hanafuda earrings.
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.
Destructive Death ( 破 は 壊 かい 殺 さつ , Hakai Satsu?): Akaza's Blood Demon Art is centered around martial arts, combining the manipulation of destructive shockwaves and the Soryu Style ( 素 そ 流 りゅう 式 しき , Soryū Shiki?) martial arts he mastered when he was a human.
Nezuko possesses a unique Blood Demon Art of pyrokinesis, which is unusual for a demon to have such an ability that uses the fire element, as it is lethal to the demons. This might be due to her family coming from the lineage of Sun Breathing users, as they exercised this technique as a ritual dance every year.
Curse of Kibutsuji
This curse besotted any who partake of Muzan's blood must be careful. The curse prevents Muzan's name from being spoken aloud, and any who do will meet a horrible demise. One demon, Susamaru, faced this reality when battling Tamayo.
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.
Muzan's own blood is also shown to have special properties that can strengthen a demon, proportional to the amount of blood infused.
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.
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.
Muzan's ultimate goal is to attain an immortal body. He wanted to be able to walk in the sunlight and live forever. In order to gain this, he needed two things: the Blue Spider Lily and the body of a demon who could withstand the sun.
Akaza has short pink hair and yellow eyes with a blue colored sclera, the kanji for Upper Moon Three written onto his irises.
Sleep Inducement: Enmu's Blood Demon Art granted him the ability to force anyone into deep sleep. He can do this through different means, some more subtle than others, but all effectively leaving his foes vulnerable and unable to fight.
While Mist Breathing has six forms, he created a Seventh Form: Obscuring Clouds during the fight with an Upper Rank Demon. Muichiro can defeat Akaza easily with his petite body that leverages his speed. Moreover, his ability of Transparent World can aid him in landing a fatal blow on Akaza's weak spot.
Over a century ago, Doma held the position of Upper Rank Six ( 上 じょう 弦 げん の 陸 ろく , Jōgen no Roku?), and during that tenure, he turned Gyutaro and Daki into demons and introduced them into the Twelve Kizuki.
Tanjiro then noticed that the other civilians were either dead or badly injured. This enraged him, and he soon stopped breathing, pushing himself beyond his body's limits. His eyes subsequently started to fill with blood seeping into the sclera of his eyes.
During the fight against Rui, in the face of absolute despair, Tanjiro pushes past his limits and unlocks a new form of breathing called the Hinokami Kagura. This style is facilitated by a special type of breathing and dance passed down to him by his father.
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.
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.
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.