Location: This quest takes place in Ashenvale.

Shortly: Huntress Jalin at Stardust Spire wants you to kill Chief Bombgineer Sploder.

How to: Travel northeast from the quest-giver till you hit the horde camp in Silverwind Refuge. In its center you will see a huge machine with a bomb on it. Kill Sploder and click the bomb to start the Quest: They Set Them Up the Bomb!

The Rewards are 18 silvers, 250 reputation with Darnassus and Jalin’s Recompense or Braintrust Vest or Skunkworks Sword.