Just happened to us. Same exact situation as this thread: TBC Mount hyjal trash bug - unclearable wave 1 just never spawned then when wave 8 was supposed to spawn thrall despawned.
We log out reset to fix it.
Just happened to us. Same exact situation as this thread: TBC Mount hyjal trash bug - unclearable wave 1 just never spawned then when wave 8 was supposed to spawn thrall despawned.
We log out reset to fix it.