Muzan is a coward primarily because of his overwhelming, trauma-induced fear of death, stemming from his near-fatal human illness and a terrifying encounter with Yoriichi, which made him obsessive about survival rather than fighting. He avoids direct confrontation, uses minions for his dirty work, and hides among humans, revealing his deep-seated insecurity and vanity, only acting aggressively when he feels secure or cornered, making his power feel less impressive and more desperate.
Muzan simultaneously has a superiority complex and is an absolute coward. He convinces himself that humans are not worth the effort for him to bloody his own hands, leaving that to others that he can order to do it for him.
There's no single "worst" character, as it's subjective, but top contenders for hated or disliked characters often include the sadistic demon Doma (Upper Rank Two) for his cruelty and killing of Shinobu's sister, Muzan Kibutsuji for being the source of all evil, and sometimes Kaigaku, a traitorous Demon Slayer, with some viewers finding Zenitsu annoying due to his constant screaming, though many defend him.
In the final confrontation between him and the Demon Slayers, Muzan attempted numerous times to escape, either by attempting to split himself or merely running away, even demanding multiple times for the remaining Demon Slayers to just give up fighting and die, once again showing his cowardly nature.
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 has always been a rational character, but fans believe killing his doctor is the only time he regretted taking a life.
Did Muzan have Favorites?
The only canonically LGBTQ+ character in Demon Slayer is Suma, one of Tengen Uzui's wives, who is confirmed to be bisexual and polyamorous in the series' databooks, showing affection for both men and women, including Tengen and her fellow wives, Makio and Hinatsuru. While other characters like Mitsuri are speculated to be queer, Suma is the sole officially confirmed character, with her relationship dynamic highlighting both bisexuality and polyamory within the Demon Slayer Corps.
Inosuke is tone deaf, along with Tanjiro. Inosuke unlike Tanjiro, Zenitsu and Nezuko does not have a haori.
Sanemi and Obanai rank low as their actions and abrasive personalities make them less likable.
While many Hashira died in the fight, some survived: Giyu Tomioka, the Water Hashira, and Sanemi Shinazugawa, the Wind Hashira, both survive the final fight, carrying on the memory of their fallen comrades. Tanjiro also survives, and after the war, the Demon Slayer Corps disbands because demons are gone for good.
Tanjiro Kamado is the heart and soul of Demon Slayer: Kimetsu no Yaiba. This kind-hearted and determined boy embarks on a perilous journey to avenge his family and save his sister, Nezuko, after a demon attack devastates their lives.
Why Muzan REALLY Feared Yoriichi Tsugikuni For 500 Years! Demon Slayer Kimetsu no Yaiba - YouTube.
Additionally, in episode #26, Muzan transforms into a woman dressed as a Geisha. With his skilled mimicry, this form allows Muzan to charm men and manipulate them into searching the Blue Spider Lily for him during the daylight while also gathering information in circumstances inaccessible in his male form.
Also the reason why Nezuko was already so powerful is because Muzan injected tons of blood in her body and the others in hopes of creating a demon that could conquer the sun.
Muzan's real scary gimmick isn't his power, but the fact that he can't die from a head cut-off. Even when the most powerful Hashira—Gyomei Himejima—does succeed in beheading him, Muzan absurdly regrows his head in an instant. He's lived through suicide bombings, toxic gas, and innumerable other murderous assaults.
Twelve Kizuki. The Twelve Kizuki (十二鬼月, Jūnikizuki) is a special group of demons who serve Muzan and have a special mark of their servitude engraved on their eyes. Second only to Muzan, they are the most powerful demons to have lived.
He coldly insulted Mitsuri by telling her that only a bear, boar or cow would marry her, before leaving while telling her to forget they ever met. While this was maybe somewhat understandable, his harsh insults were completely unnecessarily.
Tanjiro Kamado
His kisses are usually placed on your lips and forehead. Because he is young and inexperienced, he's still not down for french kissing and whatnot. He also likes tightly hugging your waist and pulling you closer to him when you kiss.
Yes, Mitsuri Kanroji wears lime green thigh-high stockings with teal cuffs under her short pleated skirt, which are a gift from Obanai Iguro, as part of her modified Demon Slayer uniform that replaces standard hakama pants for flexibility.
He caused five of his wives during the Heian period to commit suicide via verbal abuse.
Shiko Kibutsuji (鬼舞辻 死子, Kibutsuji Shiko?) is Muzan Kibutsuji and Enmu Kibutsuji's eldest daughter and the youngest of their two children. She is currently their only biological child.
Demon Slayer enthusiasts are buzzing about the connection between Tanjiro Kamado and the formidable Upper Moon One, Kokushibo. While not directly related, Tanjiro is seen as the spiritual successor to Yoriichi Tsugikuni, Kokushibo's twin.