Overlord: The Dark Hero is an anime film that premiered in spring 2017, produced by MADHOUSE.

About the production: the story comes from a light novel, the film runs about 93 minutes and its current status is "finished".

Its main genres are action, adventure and fantasy, with themes such as Male Protagonist, Skeleton, Isekai and Anti-Hero.

On AniList, Overlord: The Dark Hero has an average score of 75%, a very good score, and appears on 24,389 users' lists.

The franchise continues in or follows from: Overlord: Fushisha no Ou and Overlord II.

A compilation film recapping the second half of the Overlord anime's first season, with a few extended scenes. Embracing his new identity and power as the fearsome overlord Ains Ooal Gown, Momonga continues to navigate the world of Yggdrasil in his quest to bring Nazarick to a new realm of glory throughout the game world. (Source: Crunchyroll)

Official synopsis from AniList.