Next, it's time to ARC Raiders Coins move on to the Spaceport. This one can be a little confusing because Bilguun's Hideout isn't marked as a named location on your map. You'll be searching somewhat blindly, but here's how to find it.

Head toward the eastern side of the Container Storage area. You should be looking for a Raider Camp-style structure that's built against the outer wall. Follow the wall until you find a large encampment with scaffolding or barricades - that's your spot.

Climb the ladder to enter the hideout. Inside, you'll discover another set of notes similar to the ones in the Dam Battlegrounds. Grab them to complete the second part of the quest.

Be cautious while navigating the Spaceport - enemies here often patrol in groups, and getting ambushed while climbing can be dangerous. A stealthy approach or using ranged weapons to thin out guards before entering can make things smoother.

Location 3: Buried City - Raider Camp

The final objective brings you to the Buried City, one of the more treacherous areas in ARC Raiders. This section tends to have a heavy ARC enemy presence, so come prepared for a fight.

Your goal is located in or around the parking garage. Enter the structure and move toward the second level. From there, make your way to the southern side of the garage - you'll find a door leading to a zipline.

Take the zipline down to the lower area. You'll spot several containers and loot crates nearby - some locked, some open. Your quest item will be among them.

Be extra careful here. A Bombadier enemy can spawn in this location, and if you're unprepared, it can easily overwhelm you with its explosives. Clear the area methodically before looting, and consider using cover or explosives of your own if things get intense.

Completing the Quest and Claiming Rewards

After you've gathered all three sets of notes, the hard part is over. You can complete the objectives in any order, so if you've finished them all, return to Tian Wen to turn in your findings.

Hand over the data to receive your rewards and unlock new missions. The completion also advances your storyline progress, opening up further opportunities to explore and upgrade your loadout.

Rewards for "What We Left Behind"

You'll earn three useful weapon attachments:

Muzzle Brake II

Vertical Grip II

Stable Stock II

These attachments are solid upgrades that help stabilize your weapon's recoil and improve overall gun handling.

Once that's done, you can enjoy your rewards and take a moment to sort through your scavenged loot. Decide what's worth keeping and what to recycle - optimizing your inventory is key to surviving long-term on the surface.

Final Tips

Check your loadout before each location. Some areas, especially Buried City, can be punishing if you're under-equipped.

Use verticality to your advantage. Many of these objectives involve climbing or ziplining, so always watch for ambush points.

Loot smart. Even though this quest doesn't require extraction, collecting materials along the way can make future quests easier.

Completing What We Left Behind is one of those ARC Raiders moments that rewards patience, curiosity, and combat readiness. Once you're done, you'll not only walk away with upgraded ARC Raiders Items but also deeper insight into the world's lore - a perfect mix of storytelling and survival.

ARC Raiders: How to Complete the "Digging Up Dirt" Quest
ARC Raiders thrives on exploration, scavenging, and survival, and few quests showcase this better than Digging Up Dirt. Assigned by Celeste, this mission challenges you to locate a hidden dead drop tucked away within the Santa Maria Houses. While it sounds simple on paper, actually finding the stash requires a bit of navigation and problem-solving.

If you've spent any time on the surface, you already know that completing these side missions isn't just about exploration - it's also about survival. Digging Up Dirt offers a good balance of both. Whether you're a cautious player or someone who prefers to charge in guns blazing, this guide will walk you step-by-step through how to complete the quest safely and efficiently.

Before You Begin

One of the best things about Digging Up Dirt is that it doesn't require extraction to receive credit. Once you interact with the dead drop, the quest is complete - no need to survive the trek back to safety to bank your progress.

That said, it's smart to enter this mission with a free or minimal loadout. Because you'll be exploring an area that occasionally attracts other Raiders and ARC patrols, there's always the risk of getting taken out unexpectedly. Using disposable gear means you won't lose anything valuable if things go sideways.

If you want to be extra cautious, pack a basic weapon for defense, some light healing ARCR Items, and focus on mobility. This quest is about location, not combat.

Where to Find the Santa Maria Houses

The Digging Up Dirt quest sends you to the Santa Maria Houses, located in the southern portion of Buried City. You'll recognize it as a small cluster of buildings, partially buried and covered in cheap ARC Raiders Coins sand - a quiet residential-style zone that contrasts sharply with the industrial chaos of nearby regions.