A Traitor Within Walkthrough
Complete guide to finishing the treacherous side mission in Borderlands 4
This comprehensive walkthrough will guide you through the "A Traitor Within" side mission in Borderlands 4. Follow our detailed objectives to successfully complete this mission and uncover the traitor in your midst.
How to Unlock A Traitor Within in Borderlands 4
To access this exciting side mission, you must first complete several prerequisite quests:
Prerequisite Missions:
- Enter the Electi Part 1
- Enter the Electi Part 2
- The Council Divided (must be completed last)
After completing these missions, head to the eastern part of Carcadia, southeast of Ruined Sumplands to find Levaine who will give you the A Traitor Within mission.
Levaine's location in eastern Carcadia
Borderlands 4 A Traitor Within Walkthrough Guide
This mission consists of three main objectives. Follow these steps carefully to successfully complete the mission.
1. Deliver Food
Step 1: Collect Thresher Eggs
Travel west to the marked location just north of Woncewas Townhouse. Defeat the threshers in the area and collect four eggs from them.
Step 2: Gather Pangolin Spit
After collecting the eggs, pangolins will appear in the same area. Defeat them and collect three samples of pangolin spit.
Step 3: Defend Against Order Attackers
An Order ship will appear after you collect the spit. Defeat all Order attackers to proceed with the mission.
Step 4: Deliver Food to Moxxi
Head south to Moxxi's bar and deliver the collected ingredients to the bar counter.
2. Explore Cave
Step 1: Reach the Boneyard
Head southwest to reach the boneyard in Quisling's Cave, located northwest of Tonnage Peel. Eliminate all rippers in the area.
Step 2: Collect ECHO Log
Follow the blue marker to collect the ECHO Log dropped by one of the defeated rippers.
Step 3: Clear the Cave
Enter the cave and eliminate all hostile creatures inside.
Step 4: Use Grapple Drones
Navigate through the cave by following the marked locations. Use Grapple Drones to jump up and cross large gaps.
Step 5: Discover Willem Facility
Continue northeast to find an underground facility. Jump down to discover the identity of the traitor.
3. Take Drive
Step 1: Defeat Order Attackers
You will be attacked by the Order upon discovering the traitor. Defeat all enemies to proceed.
Step 2: Reach the Cockpit
Use the Grapple Drone in the northern part of the facility to reach the cockpit.
Step 3: Interact with Console
Interact with the micro-drive on the console, then flip the switch behind you to activate the interface.
Step 4: Align and Shoot Red Triangles
A hologram will display blue balls and triangles. You must align and shoot the red triangles:
- First triangle: Stand in front of the console switch
- Second triangle: Move to the upper left side of the cockpit
- Third triangle: Stand next to Levaine's left side by the stairs
- Fourth triangle: Climb on top of the boxes in the lower right corner
Step 5: Complete the Mission
After shooting all of Willem's nodes, take the micro-drive from the console and give it to Levaine to complete the mission.
Video Walkthrough
Borderlands 4 A Traitor Within Rewards
Completing this mission provides several valuable rewards that make the effort worthwhile:
Base Rewards
- Substantial EXP (scales with your level)
- Generous Cash reward
- Eridium currency
Weapon Reward
Random Shotgun (Blue to Purple Rarity)
Cosmetic Reward
ECHO-4 Paintjob (Middle Name "Danger" Skin)
Apply this skin in the Customization menu
Related Borderlands 4 Guides
Enter the Electi Part 1 Walkthrough
Begin the questline that leads to A Traitor Within with this comprehensive guide.
Read Guide →The Council Divided Mission Guide
Complete the prerequisite mission with our step-by-step walkthrough.
Read Guide →Best Borderlands 4 Character Builds
Optimize your character for missions like A Traitor Within with these powerful builds.
Read Guide →Borderlands 4 Legendary Weapons Guide
Find all the best weapons to help you complete challenging missions.
Read Guide →Final Tips for A Traitor Within Mission
Completing "A Traitor Within" requires careful attention to the environment and quick combat skills. Make sure to:
- Come prepared with corrosive weapons for the threshers and pangolins
- Have a shock weapon ready for Order attackers with shields
- Take your time aligning the red triangles in the cockpit sequence
- Explore the cave thoroughly for additional loot chests
With this comprehensive walkthrough, you're now ready to complete A Traitor Within and reap its valuable rewards. Happy vault hunting!