The Anglo-Saxon epic, Beowulf, tells of a Geat prince who travels to rid the Danes of a troll-like monster haunting their king's mead hall. He then slays the…
"But Beowulf repaid him for those visits, found him lying dead in his corner, armless, exactly as the fierce fighter had sent him out from Herot, then struck off his head with a single swift blow. The body jerked for the last time, then lay still." (Lines 1585-1589) The man fought the mother of his enemy, avenging his fallen comrades in hopes they could forgive him.