Founded in 1991 Immortal has often been the bench mark when it comes to quality extreme metal. The Norwegian natives released their debut album "Diabolical Fullmoon Mysticism" in 1992. Since then they have released eight full length releases, the last three, "All Shall Fall" (2009), "Sons of Northern Darkness" (2002), and most recently "Northern Chaos Gods" (2018) were released on Nuclear Blast