If you have your spawn set at Ore chasm leave run past Mal in the direction of the first hyperion gate just after jumping down from Mals lil base you'll see a single hole on the left he spawns in there only him if he doesn't reload and try again. --- Xbox/Steam ID - PyschoCurt
I was heading to the bridge that gets you to Arid Nexus and I see a red dot on my map, I turn my car around and it was Donkey Mong, he spawned for me on the "U" shaped road surrounded by lava it's almost at the bridge.
Ok, I got him twice in a row. He spawns in that U-bend after Hero's Pass and you do NOT need to kill anything for him to spawn. --- Diablo 3 Armory http://us.battle.net/d3/en/profile/Majik518-1683/ http://tinyurl.com/7a49rq9 - Greatest gaming fluke ever