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.
We begin with Muzan's birth in the Heian Period… It's the Heian Period (794-1185), and since Muzan is side to be over a thousand years old, I'm placing him born around the year 900-ish. Muzan is born into what would be the future Ubuyashiki Clan, likely in the Heian capital (modern day Kyoto).
Muzan ruthlessly punishing Akaza for his failure. The most prominent trait Muzan possesses is extreme narcissism, pettiness and an obsession with becoming the perfect being. As he has had over 1000 years to live and observe, along with hardly any real challenges, his extreme egocentrism is almost expected.
During the final battle against them, Muzan was very shocked that he aged 1,000 years old.
Muzan conducts himself the way he does in part because he's trying to overcompensate for the time he was an extremely weak human being. As a human, he was always weak and unhealthy. His condition had deteriorated so much that he was almost on the verge of dying.
It is revealed that Tamayo's drug had an aging potion mixed in along with the Demon antidote. Due to this, Muzan has aged 9,000 years within the span of three hours.
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.
As a human, Daki was known by the name 'Ume' instead. This was a rather peculiar choice for a name, especially since Ume was the disease that killed Daki's mother! While the death of Daki's mother was anything but tragic — given how abusive she was — his name does hint towards the manner of her demise.
EnZan is the slash ship between Muzan Kibutsuji and Enmu from the Demon Slayer fandom.
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 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.
So, in conclusion, her coming from a Sun Breathing user's lineage and not relying on human substance are perhaps the reasons for her immunity. Hence, Muzan was searching for the Blue Spider Lilly, a flower that was a crucial ingredient in the medicine used by the doctor who saved his life.
When Demon Slayer's Tanjiro met Muzan in Tokyo, Muzan had a human wife and daughter with him. There's a chance he genuinely cared for them. In the story of Demon Slayer, demons are supernatural creatures of the night who consume human flesh to survive. They are weak to sunlight, making them a variation of vampires.
Origin. 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.
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.
ENMU was accredited by the North Central Association of Colleges and Secondary Schools as a four-year liberal arts college in 1947. Graduate work leading to the master's degree was added in 1949, and the institution was officially designated Eastern New Mexico University in 1955.
Anne was originally planned to be Muzan`s older sister, who died by the hand of a Demon Slayer but that idea was scrapped, as the author knew practically nothing about Muzan`s early life. Instead, Anne became his wife, by which he had two children.
He is the big bad guy (first demon) and in the manga and cosplay world, he is one of the most popular character. Also is full name is “Muzan Kibutsuji” and contains the kanji for “demon dance” (鬼き舞ぶ辻つじ kibutsuji?) and “miserable, pitiful, merciless”(無む惨ざん muzan?).
First hierarchy
Beelzebub, along with Lucifer and Leviathan, were the first three angels to fall.
Simple. He killed the real father and replaced him.
Kie is a warm and loving person; as the mother of 6 children, she is always seen displaying a very affectionate and caring personality.
Yoriichi lived until around 85 years, so: 1432 + 85 = 1517, exactly 400 years prior to when Kokushibo remembered and died.
Shizuka is seen often teasing Sanemi and making him annoyed, nevertheless, the two had still created a strong bond and relationship with each other. Eventually, after knowing each other for a while, Shizuka finally ended up having the courage and confessed, leading to them getting married after awhile.