This quest is no longer available within the game.
Slay Kai'ju Gahz'rilla and inform General Marcus Jonathan in Stormwind City.
NPC #40961 slain
Sandfury trolls working with the Twilight's Hammer?!
No matter. That foul witch won't be sending her monster to MY city.
Come, brave ones! We'll slick the sand with their gore and return home triumphant. Tell General Marcus Jonathan what's happened here when we've gotten back; I'll need to oversee the return of the citizenry, repairs, and so on.