This quest is not available in game.
Speak with Thun'grim Firegaze in the Barrens.
Thun'grim Firegaze, an orc blacksmith of renown, has heard of your continued deeds of valor in service of the Horde. He would like to fashion for you a suit of armor, and bids you speak with him immediately.
Thun'grim is camped east of the Crossroads in the Barrens.