Welcome to NGB and our Borderlands 3 walkthrough on the Porta Prison side mission. Here you’ll find everything you’ll need to breeze through this mission!
Porta Prison Walkthrough
How to Start Porta Prison
To begin the Porta Prison side mission in Borderlands 3, you’ll need to talk to the guy trapped in the porter potty in the northern area of the map, west from the Lectra City fast travel station on Promethea.
Quick Links
Porta Prison Objectives
Speak to Trashmouth’s Crew
Follow the objective southwest a short way passed a police station and down a flight of stairs to arrive in an underground tunnel.
Kill Traitors
Defeat the enemies to update the objective.
Get Spray Paint
Pick up the spray paint on a metal crate in front of a shipping container next to a burn barrel.
Spray Graffiti
Head back to the porter potty and jump onto the second level of the nearby building to spray graffiti all over it.
Destroy Dirty Cop Bot
Head over to the Police Station and defeat the Sheriff Bot.
Collect AI Chip
Grab the AI chip from the bot.
Install AI Chip
With the chip in hand, head back to the porter potty and install the chip into the circuit behind it.
Destroy Dirty Cop Bots
Take out the attacking dirty cop bots.
Break Septic Tank
Will all of the bots defeat, head back to the porter potty and melee the septic tank.
Destroy Recycler Bot
Eliminate the Recycler Bot.
Collect AI Chip
Collect the AI chip dropped by the Recycler Bot.
Install AI Chip
With the chip in hand, head back to the porter potty and install the chip into the circuit behind it.
Find Trashmouth
Head to the Meridian Outskirts fast travel station and exit Fort Pissoff into the Spillways to locate Trashmouth.
Destroy Trashmouth’s Technical
Destroy Trashmouth’s vehicle to cause him to drop the weapon.
Collect Illegal Weapon
Pick up the weapon to complete the mission.
More Borderlands 3 Guides and Walkthroughs
Check out our Borderlands 3 Guides and Walkthroughs for more help!