In this short, we break down why Muzans blood mutates every human differently in Demon Slayer. His blood acts as a living curse that rewrites cells, triggers unstable transformations, and exposes each characters hidden potential or weakness. We explore why some hosts explode, why others lose themselves, and why rare cases like Nezuko resist Muzans control entirely. This fast breakdown highlights the biology, lore, and emotional stakes behind demon transformations and why Muzans power is both terrifying and flawed. Perfect for fans digging deeper into Demon Slayer lore. #demonslayer #kimetsunoyaiba #uppermoons #shorts #demonslayer #kimetsunoyaiba #tanjiro SEO Keywords: Demon Slayer, tanjiro, inosuke , giyuutomioka, tamayo, nezuko, zenitsu, muzan, kokushibo, Upper Moon Demons, Demon Slayer Analysis, Demon Slayer Characters, Demon Slayer Anime, kokushibo Demon, Demon Slayer Insights, Demon Slayer Theories, AniTwo, Anime Analysis, Demon Slayer Community, Demon Slayer Fans, Demon Slayer Upper Moons, Demon Slayer Season 4, Demon Slayer Manga, Demon Slayer Secrets, Demon Slayer Villains, Demon Slayer Blood Demon Art, Doma, nakime, Akaza, Daki and Gyutaro, Breath Styles, Kimetsu no Yaiba, Demon Slayer Swordsmith Village, anime reaction, demon slayer reaction, Demon Slayer Hashira Training Arc Episode 1. Demon Slayer Hashira Training Arc Movie, Demon Slayer Hashira Training Arc Trailer, Demon Slayer Trailer