Thronar formed under the name "Cerberus" in 1998 by guitarists Otto van Beusekom and Reamon Bloem, with drummer Joost Westdijk (of Bolthorn).
[1] Under the name Cerberus they released two demos, A Journey Must Begin... and One Man's Faith.
The band have commented on being influenced by the early Norwegian black metal scene; they claim to be atheistic, though they respect certain forms of Satanism.
Shortly after in 2006 Reamon decided to fully concentrate on guitar and Koen was brought on for vocal duties.
[4] In 2009, Thronar's vocalist, Reamon Bloem, left the band and a replacement was sought.