Guts glaring angrily

"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 mercenary, and Griffith, the leader of a mercenary band called the 'Band of the Hawk.'"

The series began in 1989 and ran through Miura's death in May 2021, spanning 41 volumes.