King Bobo the Almighty is a ‘Named Enemy’ in Borderlands 3. This badass Jabber is encountered during the side quest “Rumble In The Jungle”. After you completed that mission you can farm King Bobo as he will respawn.
King Bobo is located in the Voracious Canopy on the planet Eden-6. You can farm this mini-boss in the dome that’s located in the most northern part of the map.
You can farm King Bobo for these legendary weapons as it is the dedicated loot source for these items. King Bobo has a 15% legendary drop chance.