Enslaved is a progressive black metal band formed in June 1991 in Haugesund, Norway, and currently based out of Bergen, Norway.Enslaved was formed in June 1991 by Ivar Bjørnson and Grutle Kjellson (also known as Kjell Grutle) when they were 13 and 17 years old, respectively. The band name was inspired by an Immortal demo track, "Enslaved in Rot".[2] After many line-up changes throughout their career, Bjørnson and Kjellson are the only remaining original members. By 2004 the line-up solidified with guitarist Arve Isdal, drummer Cato Bekkevold, and keyboardist/vocalist Herbrand Larsen.