Brewmaster Drohn
Found in The Barrens.
The Barrens
Quest Level Side Chen's Empty Keg 15 Both Chen's Empty Keg 24 Both Quest Level Side Chen's Empty Keg 15 Horde Chen's Empty Keg 15 Both Chen's Empty Keg 24 Both Zone Spawns Coordinates The Barrens 1 62.3, 38.4