Let's break down where you can find Frank the Furnace and the Foundry Freaks, along with all their legendary drops in Borderlands 4. Where To Find The Foundry Freaks in Borderlands 4Frank the Furnace and the Foundry Freaks are located in the southwestern part of the Idolator's Noose section of The Fadefields in a Ripper Drill Site called The Pitted Stain. All Foundry Freaks Loot/RewardsThere are three dedicated drops that you can get from the Foundry Freaks in Borderlands 4. The main prize from the Foundry Freaks is the Bloody Lumberjack. Tips For Fighting Foundry FreaksThe Foundry Freaks are made up of three different bosses; Frank the Furnace, Hank the Welder, and Sal the Engineer.