Overlord

"Overlord" can refer to a few different things, but it is primarily known as a popular Japanese light novel and anime series. The story follows a powerful player, Momonga, who is trapped in a virtual reality game after its shutdown. Instead of logging out, he transforms into his character, an undead overlord, and explores an unfamiliar world with the goal of discovering what happened to the game and its inhabitants. The series delves into themes of power, morality, and the dynamics of leadership as Momonga navigates his new reality, encountering various challenges and characters along the way.