“This is troubling news, adventurer. Whoever this "Banished One" may be, it is clear he is behind the Scourge's return.
That the undead are amassing in great numbers outside Icecrown Citadel cannot be a coincidence. Lead our hippogryph riders in surveying the area from above.
Determine if the dark herald you saw is among them, and then clear a path for reinforcements.
Let us hope she possesses the answers we seek.”