Digital Aura Portal - FZCO
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The What We Left Behind quest handed out by Tian Wen sends you across three different Arc Raiders maps in search of specific locations: Dam Battlegrounds, Spaceport, and Buried City. Although the mission objectives point you toward the correct areas, the precise spots you need to interact with remain hidden until you explore them yourself.
To complete the quest, you’ll need to investigate something unusual in the South Swamp Outpost on Dam Battlegrounds, loot containers inside a raider camp beneath the Parking Garage in Buried City, and locate Bilguun’s Hideout on Spaceport. Below is a detailed breakdown of where to go and what to do at each location.
Here’s a step-by-step guide for each What We Left Behind quest location.


The first quest objective can be found at the South Swamp Outpost point of interest.
Once you arrive, look for a large, ruined structure made out of corrugated metal. It resembles a tall, tower-like building and stands out from the rest of the outpost. Head inside this structure, specifically toward the southern section of the outpost.
Inside, you’ll spot a yellow object that you can interact with. Search this item to finish the Dam Battlegrounds portion of the quest.


For the Buried City objective, make your way to the Parking Garage and locate the breach door on the upper level. Opening this door will reveal a zipline.
Take the zipline down to reach the lower floor of the parking garage, where you’ll find a raider’s camp set up below. This area cannot be accessed any other way, so opening the breach door is mandatory.
Once you’re down there, interact with two separate containers inside the camp. After searching both of them, this part of the quest will be marked as complete.


Here’s where to find Bilguun’s Hideout on Spaceport.
Start by heading to the Container Storage point of interest, located near the center of the map. When you arrive, look toward the eastern side of the area, behind the main building, where you’ll notice a tall wall.
Sitting on top of this wall is a large yellow structure — this is Bilguun’s Hideout. To reach it, approach the wall from the south side and climb up the damaged, ruined section.
Once you’re inside the hideout, collect the notes found there. Doing so will complete the final objective and finish the What We Left Behind quest.