Ace Börjey Forsberg (aka Quorthon) and his bandmates were just teenagers when they founded the band in 1983, but their sophisticated, genre-hopping approach to heavy music quickly delineated the Swedish band as prodigies, rather than pushovers. Bathory: Under The Sign of the Black Mark (1987)Ī year after Venom titled black metal, Bathory tore onto the scene and wrote most of the damn book.