This quest is not available in game.
Speak with Jeziba in the Plaguelands. He resides in Andorhal.
It is the arcane that I control and the arcane which will send you to your next destination.
When you are ready, the journey will begin. To the Plaguelands you will go and to Jeziba you will speak.
He is a mortal as wise as the ancients and as patient as the immovable earth. Find him in Andorhal.