This article or section contains lore taken from Warcraft III: Reign of Chaos, Warcraft III: The Frozen Throne, the manuals, and official bonus maps.

Rexxar and Rokhan were given a mission by Engineer Gazlowe to destroy the Kobold mining columns east of Durotar because they were causing problems. With the help of Goblin Sappers, Rexxar's forces accomplished this mission.