Overlord

Overlord is a dark fantasy isekai anime based on the light novel by Kugane Maruyama. It follows Ainz Ooal Gown, a gamer who becomes trapped inside a virtual world after his favorite game shuts down. Now living as his powerful skeletal avatar, Ainz leads the Great Tomb of Nazarick and its loyal guardians while exploring the new world and expanding his rule. The series focuses on power, strategy, and the rise of an overwhelming ruler.