Occul'tharon

Occul'tharon is a void terror located in Baradin Hold. While it was in the Twisting Nether, it devoured the Eye of Dalaran. During the Burning Legion's third invasion, it invaded Baradin Hold, and the warlocks of the Shadow Council, infiltrated by the leader of the Council of the Black Harvest, came to the prison in order to kill the void terror and get the eye.

Objective of

 * An Eye for a Scepter

Speculation
He may be related to Occu'thar.