Potty Mouth is one of Borderlands 4’s rare “make a choice” moments, and it revolves around GenIVIV, the mean-spirited AI you ferry out of a toilet and into a temporary body. By the time you’ve helped her rampage through a Ripper camp and picked up her core, you’ll land at Moxxi’s Bottoms Up with a binary decision: plug GenIVIV into the bar’s sound system, or hand her core to Moxxi to erase her—probably.

The practical answer is simple: it doesn’t matter. Both choices finish the quest, grant the same rewards, and don’t ripple into later missions or systems. Treat it as a roleplay moment rather than a power-play decision.

How the GenIVIV decision works in Potty Mouth

At Moxxi’s bar, you’re presented with two prompts tied to GenIVIV’s core. The immediate outcomes are straightforward and contained to this scene. There’s no follow-up questline, no gear variance, and no hidden penalty tied to either option. Claptrap’s reaction shifts slightly in dialogue, but his stance is basically indifferent either way, and GenIVIV is upset regardless.

Choice Immediate result Lasting impact Rewards
Install GenIVIV into the sound system GenIVIV “lives” as part of the jukebox at Bottoms Up; no interaction or dialogue. No broader consequences elsewhere in the game. Same mission completion rewards as the other option.
Give GenIVIV to Moxxi to erase her (probably) Moxxi pockets the core; GenIVIV is implied to be erased or shelved offscreen. No broader consequences elsewhere in the game. Same mission completion rewards as the other option.
Tip: If you enjoy the idea that this AI technically “exists” somewhere in your game world, the jukebox option keeps that flavor—just without any functional payoff.

Which option should you pick?

Pick whatever aligns with how you’re roleplaying your Vault Hunter. If you want the mean toilet AI decommissioned, hand the core to Moxxi. If you prefer to shelve her as background noise, wire her into the bar. There’s no optimization angle here: rewards are identical and the decision doesn’t unlock content, modify difficulty, or alter future mission branches.

Quick path to the choice (Potty Mouth walkthrough highlights)

  • Unlock Potty Mouth after finishing the main mission “Siege and Destroy.”
  • Start the quest by talking to the toilet housing GenIVIV in the northern part of Lopside.
  • Use the rooftop computer to trigger the Clap Signal and wrangle Claptrap through a brief slapstick sequence (flush, lever, whack).
  • Help transfer GenIVIV into a temporary body and head to the Order depot to construct a sturdier frame; survive the counterattack.
  • Follow her to a Ripper camp and battle through escalating waves. After an abrupt “breakup,” GenIVIV turns hostile—defeat her and pick up her core.
  • Travel to Moxxi’s Bottoms Up in the Ruined Sumplands to make the decision: jukebox install or handoff to Moxxi.
  • After choosing, step outside and speak to Claptrap to complete the mission.
Note: The GenIVIV fight is framed as a boss moment but isn’t mechanically demanding; expect difficulty on par with a standard heavy enemy.

Rewards and aftermath

Whether you choose the jukebox or Moxxi, you’ll receive the same mission rewards. The only difference you’ll notice is in short, scene-specific dialogue flavor. There’s no change to loot tables, progression, or future quest availability tied to this choice.

The takeaway: Potty Mouth’s finale is a personality test, not a build decision. Decide what feels right for your run, enjoy the punchline, and move on—Borderlands will, too.