Borderlands: Pre-Sequel! - IWAJIRA Secret Boss - "Thingy" Legendary Rocket Launcher
IWAJIRA is the hidden boss in the first zone of Borderland's the Presequel - it drops the legendary corrosive Rocket Launcher "Thingy" as well as tons of loot, cash, moonstone and a good chunk of XP as well. He's a great option to farm once you are