Unlock Location:
- Progress into The Fadefields region to the Idolator's Noose.
- Complete the Null and Void, All Charged Up, Bound for Launch side quests.
- Doing so unlocks Sludgemaw, the boss that drops
Birt's Bees.
Farm Method:
- Defeat Sludgemaw after completing the quest.
- Return to the arena if you’ve already killed him once.
- Use the Encore Machine to respawn him for repeated farming.
- Farm until Birt's Bees drops.