Rumor is that Tabetha, a mage colleague who lives deep in Dustwallow Marsh, has a bone to pick with a certain sand troll in Zul'Farrak.  If you speak with Tabetha she can tell you more.$B$BAnd bring some friends with you, $N.  If Tabetha has you go to Zul'Farrak then you're not going to want to go alone.$B$BYou will find Tabetha's cottage west of Theramore, and just north of the Stonemaul Ruin.