English | Japanese “Prepare yourself!""This is the root of my conflict! The point is, I'm a guy who will stand and punch and kick my way through to victory!""Oraoraoraaa! Fly away!” —Berserker Grendel Buster: Primal Conflict (源流闘争グレンデル・バスター, Genryū TōsōGurenderu Basutā?) is the Noble Phantasm of Beowulf. It is the proof of his battle prowess, even after losing both his weapons in legend. It is a special Noble Phantasm that is barred from being used, but its ban can be lifted with the destruction of Hrunting and Naegling. The concept of killing Grendel becoming a Noble Phantasm. This Noble Phantasm temporarily revives the amazing power he had in life, before crushing his target in front of him by throwing, punching and kicking it.