Cherog

Cherog is a being of darkness and Shadow. He was a major General of the Dark for Oloch in the The War of the Energies.  He formed a union with Lumina at the end of the war, as related in The Legend of Lumina and Cherog.
In order to seal the Elemental Balance, Lumina trapped and chained Cherog in the Temple of the Balanced Energies in Ornblake.
Cherog was released by Salenis Vendari when he attempted to destroy the Elemental Balance. He was slain by the Thanes of Order.