High Quality Content by WIKIPEDIA articles! Sons of Northern Darkness is the seventh album by the Norwegian black metal band Immortal. Musically, it continues the blackened thrash metal style heard the two previous releases At the Heart of Winter and Damned in Black. This was the band`s first release on Nuclear Blast Records. Iscariah left the band shortly before the album was released, and the band broke up the following year. They reformed in 2007.