The scourgestones are weak when separated from the skeletal grasp that once held them.  Simply holding them in my hands has caused them to fracture and break.$b$b<Mehlar crushes the scourgestones into a pile of rubble.>$b$bTake these fragments to the Banshee Queen, Lady Sylvanas Windrunner, at her throne in Undercity.  With her lies the knowledge to turn these remains into a weapon against the Scourge.