The Rainbow Vomit Shotgun is one of the most unique Jakobs Legendary weapons in Borderlands 4, blasting out rainbow-colored projectiles with every shot. In this guide, we’ll show you how to unlock and farm the Rainbow Vomit, step by step.
For more Borderlands 4 tips and tricks, check out our Wiki guide at https://www.ign.com/wikis/borderlands-4
