Berserk (Japanese: ベルセルク, Hepburn: Beruseruku) is a Japanese manga series written and illustrated by Kentaro Miura. Set in a medieval Europe-inspired dark fantasy world, the story centers on the characters of Guts, a lone swordsman, and Griffith, the leader of a mercenary band called the "Band of the Hawk". The series follows Guts' journey seeking revenge on Griffith, who betrayed him and sacrificed his comrades to become a powerful demonic being.
Berserk was adapted into anime TV series and theatrical anime films. It is one of the best selling manga series of all time.