Complex sentence: Aeternus is a death metal band from Bergen, Norway and was formed in 1993 as an idea of Ronny Hovland, named himself Ares and Erik Heggernes, aka Vrolok.
Split into simpler sentences: Aeternus is a death metal band from Bergen, Norway. It was formed in 1993 as an idea of Ronny Hovland, calling himself Ares, and Erik Heggernes, aka Vrolok.