Nerub'ar Sky Darkener

SS Borean Tundra

Nerub'ar Sky Darkeners are nerubian flyers located in the Borean Tundra. They are invading Warsong Hold through the quarry within the stronghold. Unwilling to let them take down Warsong Hold's defenses Overlord Razgor sends Horde forces in going on the offensive against them. They spawn in massive waves to prelude the coming of Ith'rix the Harvester.

Objective of

 * Taking Back Mightstone Quarry