Learn how you can easily collect the Rainbow Vomit in Borderlands 4 so that you can use it to eliminate powerful enemies.

The Rainbow Vomit is a powerful weapon that falls in the Shotgun category in Borderlands 4. This legendary weapon resembles the attacks of a grenade launcher. With its powerful damage output, the gun naturally becomes one of the most sought-after items in the game.
Similar to most legendary weapons in Borderlands 4, you need to farm a special boss in the game to obtain the exclusive gear. Here is a detailed article that contains everything you need to know about obtaining the Rainbow Vomit Legendary Shotgun in the game.
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Obtaining the Rainbow Vomit Legendary Shotgun in Borderlands 4

As mentioned above, you can get the Rainbow Vomit Legendary Shotgun in the game from the drops of a specific enemy. The boss whom you need to take down for the weapon is Leader Willem, located in Grindstone of the Worthy, within the Carcadia Burn region.
To encounter the boss, you must complete a lengthy Levaine’s side quest chain in the Carcadia hub, containing a total of five quests, including Enter the Electi I, Enter the Electi II, the Council Divided, a Traitor Within, and the Mole’s Gambit. Afterward, you can encounter the boss and defeat him to collect the Rainbow Vomit from his drop.
Since the legendary shotgun does not appear on the very first try, you need to farm the boss using Moxxi’s Big Encore machine.
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Stats of the Rainbow Vomit Legendary Shotgun in Borderlands 4
- Manufacturer: Jakobs
- Type: Shotgun
- Rarity: Legendary
- Special Effect: Color Spray which shoots droplets of 3 random elements that vary each generation.
Below are the Level 50 Stats of Rainbow Vomit:
- Damage (Per Shot): 1153 x 6
- Accuracy: 77%
- Fire rate: 1.5/second
- Reload Time: 1.6 seconds
- Magazine Size: 6
That was all about the Rainbow Vomit Legendary Shotgun in Borderlands 4.

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