Member:
1994- Odium (NOR) - guitars, vocals (as Secthdamon)  
1996-1997 Myrkskog - guitars (as Secthdamon)  
1997- Myrkskog - drums (as Secthdamon)  
2001-2010 Zyklon - vocals, bass (as Secthdamon)  
Live musician:
2005-2014 Emperor - bass, backing vocals (as Secthdamon)  
2009 1349 - guitars (as Secthdamon)