Approach the entrance to the Obelisk of Ahkzul ( 855, 508, 1831 ) Copy/waypoint 855, 508, 1831 for the update. DON'T zone in yet! You can be zoned in remotely after getting the update.
Go back and hail Professor Fondfate ( 1740, 451, 846 ) Copy/waypoint 1740, 451, 846 regarding what you have learned.
I should seek out what I can in the Void Pit. Go back and enter the Obelisk of Ahkzul and kill the last named mob in the zone, Executor Vark. You will receive a Staff of Theer.