Progression
Farseer Urquan: No creature should be subjected to what they’re doing down there.
Completion
Farseer Urquan: For what they’ve done, it is not enough.
(Name), when you find their base, you sait the earth.
Return to the main hub for Frostfire Ridge (Horde Quests) in Warlords of Draenor, or continue the Gul’dan in Frostfire Questline.