Report to Overlord Razgor at the hut on the south side of Warsong Hold.
Do not let Hellscream dissuade you from your duties as a soldier of the Horde, <race>. He bears a terrible burden in these frozen wastes, with the outcome of his charge resulting in victory over the Scourge or the extinction of all life on Azeroth. It is for this reason that we require your strength and wisdom.
The Scourge have begun their assault upon this fortress. Our soldiers steady the line, but are in desperate need of backup. Report to Razgor. He is stationed directly outside of Warsong Hold.