Use the Portal to the Undercity inside Stormwind Keep to teleport to the Undercity. Report to Broll Bearmantle when you arrive at your destination.
I sent Broll and Valeera to the Undercity before you left for Orgrimmar. In fact, they're now stationed outside the sewer entrance to the ruins, awaiting orders.
Lady Proudmoore will open a portal to our forces outside the Undercity. Go there and report to Broll. Jaina and I will be close behind.
Who are you supposed to be? Varian said he'd send heroes.
Upon completion of this quest you will gain: