If Gan'rul has sent you to me, it must be that you are to summon a succubus, a female of the sayaad race, and need an object to use for enticement.
Hmm... If you trust a blind man to lead you, <name>, then listen. In the bluffs of Orgrimmar, west of the wind rider tower, lives Zankaja. She waits for the return of her mate.
Go to her.