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Porta Prison - Side Mission Walkthrough
Borderlands 3 | Porta Prison - Side Mission Walkthrough | BL3

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Porta Prison - Side Mission Walkthrough

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Read this Borderlands 3 side mission walkthrough guide of Porta Prison. Including recommended level, side mission tips, objective hints, and more!

Table of Contents

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Porta Prison - Side Mission Walkthrough

Porta Prison Walkthrough Chart

No.Procedure
1 Go to Lectra City in Promethea
2 Follow the side mission marker and talk to Trashmouth inside the portable toilet
3 Head towards your objective marker & go down the stairs to find Trashmouth's crew
4 Clear the area of gang traitors
5 Grab the spray paint can & head back to Trashmouth's area
6 Climb up to access the building walls to vandalize them
7 Fight & defeat the Sheriff Bot that appears
8 Grab the AI chip & install it at the back of the portable toilet
9 Defeat the dirty cop bots that appear after installing the chip
10 Break the septic tank to lure a Recycle Bot out
11 Destroy the Recycle Bot & take its AI chip - place it in to the portable toilet
12 After the toilet is blasted off, fast travel into the Meridian Outskirts
13 Follow your marker to locate Trashmouth & destroy his Technical
14 Pick up the illegal weapon to complete the mission

Follow Trashmouth's Instructions

Follow Trashmouth

In this side mission, you'll basically follow Trashmouth's instructions to attempt to get him out of the portable toilet he's stuck in. He'll have you defeat his former gang members & dirty cop bots, vandalize walls, and more.

Porta Prison - Side Mission Tips

Side Mission Recommended Level Is 13

Side Mission Recommended Level Is 13

This mission can be found in Lectra City of the planet Promethea. You'll find the quest giver, Trashmouth, inside a portable toilet. The side mission's recommended level is 13.

Defeat Dirty Sheriff Cop Bot

Bot Creates Obstructive Force Field

Bot Creates Obstructive Force Field

When you face the dirty Sheriff Bot, it'll produce a dome force field that obstructs your view. Move to its side to keep sight of your enemy.

Use Corrosion On Enemies With Yellow HP Bars

Use Corrosion On Enemies With Yellow HP Bars

The bots will have yellow HP bars and are vulnerable to corrosive damage. Switch to a weapon with corrosion to deal bigger damage to these opponents.

Trashmouth Blasted Off To Meridian Outskirts

Trashmouth Blasted Off To Meridian Outskirts

When Trashmouth is blasted off while inside the portable toilet, he'll land in the Meridian Outskirts. Fast travel to the objective marker to find him and take him down.

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