Voidpriest Sekkta

Voidpriest Sekkta is found at his hut on the northwestern trail from Talador in the northwestern corner of Spires of Arak. Experimenting with void magic, Sekkta used the Fel Grimoire in an attempt to summon and control Gaze, an observer, but failed

Quotes
This unusual arakkoa seems to have suffered mortal wounds from some sort of powerful dark magic.
 * Gossip

Whatever caused these wounds, however, is nowhere to be seen.