I've changed this entry:
Many times because it's completely untrue according to many sources yet they STILL revert it back everytime... seriously, I give up
Taken from: http://en.wikipedia.org/wiki/ICS_Vortex
In August 2000, Hestnæs left Borknagar to fully concentrate on Dimmu Borgir. According to an interview, Borknagar was set to tour Europe with Mayhem, about the same time he would be in the studio to record with Dimmu Borgir. Borknagar guitarist and frontman Øystein G. Brun gave Hestnæs an ultimatum: tour with Borknagar, or quit and deal with Dimmu Borgir. He opted for the latter, stating that he thought Dimmu Borgir would become a more successful band in the long term. Brun would later state that the decision was "business", and that he "had nothing against Dimmu Borgir", and he wished Hestnæs the best; Hestnæs then stated that had he not gotten the ultimatum, he would still be in Borknagar to this day.
Many times because it's completely untrue according to many sources yet they STILL revert it back everytime... seriously, I give up
Taken from: http://en.wikipedia.org/wiki/ICS_Vortex