Devathorn were formed during winter 2002 by Saevus Helcath, with the name Vehement. After a few changes in the line-up,the horde took its present form with the joining of Althagor (November 2002) and Mechblastess (September 2003). The horde was rebaptised with the name Devathorn in January 2005 and began working on new material of raw aggressive Black Metal.

After some live peformances, the horde completed the recordings of the debut album Diadema, which came to the light,during fall 2007. The release is being supported with several live performances.

The band started creating new material for its second release, and for the Secta Nova split CD (featuring Enshadowed, Burial Hordes and Angstridden). Following the aggressive paths of Diadema to further borders , the new material is enriched with more sick and raging elements.