Necro Overlord Mezhen

The Scourge are at Gjalerbron and they have necromancers with them! They must be working to bring the vrykul into Arthas' fold.$B$BI want the leader of these necrolords eliminated!$B$BDo whatever it takes, $N, but see to it that Necro Overlord Mezhen, and whatever he's attempting to accomplish, is neutralized.$B$BI will not see the vrykul successfully allied with the Scourge!$B$BLook for Mezhen on the platform in the rear right section of Gjalerbron.