Demons have always been scary, powerful monsters in nearly every work of fiction, from ancient epics to modern horror movies. The demons found in Demon Slayer: Kimetsu No Yaiba, however, are some of the most nightmarish. Their unpredictable Blood Demon Arts, twisted worldviews, and grotesque aesthetics are enough to terrify even the most experienced slayers.
Source：https://www.cbr.com/demon-slayer-strongest-demon-moons/
