Location: This quest takes place in Redridge Mountains. Follow up on Quest: They’ve Wised Up…

Shortly: Magistrate Solomon from Gnomecorder wants you to kill Yowler and recover the Blackrock Invasion Plans.

How to: Exit the cave and follow the wall on your left. Eventually you will bump into Yowler. Return to Magistrate Solomon in Lakeshire afterwards.

Rewards are 23 silvers, 500 reputation with Stormwind and Escalation Britches or Mongrel Leggings or Legguards of Invasion.