Asvargr formed Dark Fortress, a German black metal band from Landshut, in 1994. The Rebirth Of The Dark Age demo soon appeared from the band. The band also appeared on a split album with Barad Dür and on the From the Mystic Forest - Part II sampler. Crom handled guitar and bass on the debut before departing shortly afterwards. A second album was announced for 2001 entitled Profane Genocidal Creations. Crom and Charon left at the tail end of 2001. The band signed with Neon Knights in 2003. Stab Wounds was issued in 2004 through Black Attakk. Imperium Productions issued Stab Wounds album on vinyl in 2005. Century Media signed the group in late 2005 and announced that the band’s fourth full-length CD, Séance, would be released in February of 2006.

Crom and Azathoth’s Sindecade side-project launched an EP in early 2006. V. Santura was awarded the position of live guitarist in Celtic Frost in 2007. Singer Azathoth was booted from the band soon thereafter due to non-musical differences. The band was cancelling forthcoming shows.