If the vision that I granted you is true, then you must travel down into the ravine and to the south end of Bloodmaul Ravine.  There you will find the Draenethyst Mine.$B$BJourney to the back of the mine, and retrieve the Thunderspike.  Ignore everything else!  I have no interest in the crystals of the mine, nor the ogres therein.$B$BAs soon as you have the spear return it to me here!$B$BAnd, $N, be very careful with it... I would hate to think what would happen to you should you break it.