Narkrall'sdrake Torth survived the failed attack on Thundermar, and now the creature is free from his former master.
Torth seeks vengeance against the Dragonmaw, and has already strafed Bloodgulch once. He will keep returning until we skewer him for good. It is time to put the [Demon Chain] to work.
Torth's old nest is a small cave in the hills west of here that we have turned into a small camp called "The Gullet."
Meet me at the Gullet and we will finish Torth off.
Completion
Once free of the chain, Torth died rather than submit again. I admire the creature. I will have his hide fashioned into a set of armor.
This much is clear to me now: The Dragonmaw cannot stand alone if the Alliance backs the Wildhammer. Narkrall proved that. And you have proven the might of the Horde, again and again.
I will rebuild our drake wings and take up position outside the Bastion of Twilight. You should continue to help out here in the Gullet and elsewhere in the Highlands.
Zaela says: Meet me in the Gullet, <name>. Fly west, across the river, and look for a small cave along the ridgeline...
Upon arrival, Zaela is waiting outside the cave. Other NPCs are phased out for the time being...
I am ready to fight Torth!
Notes
At this point, players have the option of pursuing several different quest chains, either beginning at the Gullet, or following those that begin with [84] The Weeping Wound or [84] Krazzworks.