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Borderlands 4

A Traitor Within Walkthrough

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★ 12 active SHiFT Codes as of December 4, 2025
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Borderlands 4 A Traitor Within
This is a walkthrough for the A Traitor Within side mission in Borderlands 4. Read on to follow the objectives and clear the mission.

◀ Previous Mission Next Mission ▶
The Council Divided The Mole’s Gambit

List of Contents

How to Unlock A Traitor Within

Complete The Council Divided

Borderlands 4 A Traitor Within Levaine Location

A Traitor Within is part of a questline that starts with Enter the Electi Part 1. Complete Enter the Electi Part 1, Enter the Electi Part 2, and The Council Divided before unlocking A Traitor Within.

You can then start the side mission by talking to Levaine in the eastern part of Carcadia, southeast of Ruined Sumplands.

A Traitor Within Walkthrough

List of Objectives
1 Deliver Food
2 Explore Cave
3 Take Drive

Deliver Food

# Walkthrough
1
Borderlands 4 Thresher Eggs Location
Travel west to the marked location, just north of Woncewas Townhouse. Once there, kill the threshers in the area then take the eggs they drop. Collect four thresher eggs.
2
Borderlands 4 Pangolin Spit
After collecting thresher eggs, pangolins will start appearing in the same area. Kill them and then gather the spit they drop. Collect three pangolin spit.
3 An Order ship will appear. Kill Order attackers to proceed!
4
Borderlands 4 Deliver Food to Moxxi
Head south to Moxxi's bar and deliver the food to the bar counter.

Explore Cave

# Walkthrough
1
Borderlands 4 Boneyard Location
Make your way southwest to reach the boneyard in Quisling's Cave, located northwest of Tonnage Peel. Kill rippers in the area.
2 Follow the blue marker to collect the ECHO Log dropped by one of the rippers.
3 Enter the cave and kill the creatures inside.
4
Borderlands 4 Cave Grapple Drone
Explore the cave by following the marked location. Use Grapple Drones to jump up and cross large gaps.
5
Borderlands 4 Willem Facility
Continue northeast to an underground facility. Jump down to discover the traitor.

Take Drive

# Walkthrough
1 You will then be attacked by the Order. Defeat them to proceed.
2
Borderlands 4 Reach Cockpit
Use the Grapple Drone in the northern part of the facility to reach the cockpit.
3
Borderlands 4 Micro-Drive and Switch
To your right, interact with the micro-drive on the console, then flip the switch behind you to activate the interface.
4
Borderlands 4 First and Second Red Triangle
A hologram will display blue balls and triangles. You must align the triangles and shoot the red triangle repeatedly.

Start by standing in front of the console switch to align the first red triangle with the blue ones behind it. Then move to the upper left side of the cockpit for the second red triangle.
5
Borderlands 4 Third and Fourth Red Triangle
For the third red triangle, stand next to Levaine's left side by the stairs, and then climb on top the boxes in the lower right corner of the cockpit for the fourth red triangle.
6 After shooting all of Willem's nodes, take the micro-drive from the console and give it to Levaine. This will complete the mission.

A Traitor Within Rewards

Side Mission Rewards
Base Reward ・EXP
・Cash
・Eridium
Weapon Reward ・Shotgun (Blue to Purple Rarity)
Cosmetic Reward ・Middle Name “Danger” (ECHO-4 Paintjob)

Middle Name “Danger” Skin

Borderlands 4 A Traitor Within Rewards

Completing A Traitor Within will also reward you with the Middle Name “Danger” Skin, an ECHO-4 Paintjob that you can use in the Customization menu.

List of All Customization Options

Borderlands 4 Related Guides

Borderlands 4 List of Side Missions Partial

List of Side Missions

List of Side Missions

The Fadefields
Meat is Murder Abduction Injunction Hangover Helper
Ready to Blow No Place Like Home Sum of His Parts
Breeding Daisies Whack-A-Thresher Carried Away
Droning On Drone Ranger The Kairos Job
Scoundrel Roundup: Glitch Scoundrel Roundup: Kilo Free for the TASKing
TASK and Ye Shall Receive TASK Master Working for Tips
Null and Void All Charged Up PowerDrop
Savage Salvage Exit Through the Rift Shop Electroshock Therapy
Electroshock Therapy: The Second Session Gone Are My Leggies To the Limb It
To the Limb It: Redux To the Limb It: Couples Therapy Finway's Cup
Primordial Vault: Fadefields Bound for Launch Brew-ha-ha
The War on Mercenary Day - -
Carcadia Burn
Potty Mouth The Power Ballad of Rodd Vomit Vicious News Cycle: Cannon Fodder
Vicious News Cycle: Hot Tag Vicious News Cycle: Mine Time Live Fault Hunting
Vend of the Line Enter the Electi Part 1 Enter the Electi Part 2
The Council Divided A Traitor Within The Mole's Gambit
PB&J Her Own Funeral And Welcome to the Jam
Ripples and Rituals Imminent Jest Broken Ships
Primordial Vault: Carcadia Burn - -
Terminus Range
Way Too Chill Flat Kairoser Wayward Gun
Father of the Glide Crack This Guy’s Back Sage Against the Machine
The Next Quest Thing Mob Mentality Mob Rules
Angry Mob Mob Justice Never Meet Your Heroes
The Importance of Being Furnished A Brother in Need It's a Whole Phase Situation
Returned to the Mountain A Call for Help Peak Performance
Tandem Access Memory La-La-Last Call Ain't No Sham In It
Primordial Vault: Terminus Range - -
Dominion
No-Escape Room One Gassy Issue One Slimy Issue
Overwriting a Wrong Price of Freedom Price of Freedom Pt. 2
Price of Freedom Pt. 3 Joe & Sue The Black Market
Bad Seed The Cat’s Pajamas Old Raymond
Old Lads Old Tricks Below the Surface
AAA for Effort Love in the Time of Eridium Poisoning The Neverending Quarry
A Quarry of Epic Proportions The Final Quarrel Bad Seed Pt. 2

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Borderlands 4 Walkthrough Team
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