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Celeste needs your help to convince Tian Wen to join her community project as part of the Arc Raiders Greasing Her Palms quest. You’re tasked with sweetening the deal by visiting three salave sites scattered across three maps: Dam Battlegrounds, Spaceport, and Buried City.
In keeping with Arc Raiders’ fairly obtuse quest objectives, there’s not much to go and the quest log omits quite a few details about where to find and complete the requested locations. We’ll walk you through how to find all three locations and complete Arc Raiders’ Greasing Her Palms quest.
Here are the three objectives:
- In Dam Battlegrounds, visit the Locked Room in the Water Treatment Control building.
- In Spaceport, scope out the rocket thrusters outside the Rocket Assembly.
- In Buried City, visit the barricaded area on floor 6 of the Space Travel Building.
Visit the Locked Room in the Water Treatment Control building – Dam Battlegrounds

The first objective is located inside the southern portion of the Water Treatment Control building. You’ll want to approach from the lower south entrance as marked on the map image above. Go through the door, clear out the waiting Pops, take the first right next to the reception desk, and then the next right, where you’ll find a locked door.
To open it, you’ll need a Dam Surveillance Key. You’ll receive one for taking on the Greasing Her Palms quest. If not, you can find a key as potential loot inside buildings on Dam Battlegrounds, notably Testing Annex, Research and Administration, and Water Treatment Control. If you can’t get your hands on one, the Locked Room is a popular Raider haunt, so there’s a good chance a good Samaritan will pop along to open it before long.
Enter the Locked Room to complete the objective. It’s also full of handy loot that’s worth grabbing before you extract to take on the next objective.
Scope out the rocket thrusters outside the Rocket Assembly – Spaceport

For the second objective, head to the open area to the southwest of the Rocket Assembly and northeast of Control Tower A6. There, you’ll find two massive rocket thrusters lying on their side.

Approach the left side of the southern portion of the westernmost thruster to complete the objective. The trigger can be a little temperamental, so you’ll want to go to the exact spot marked in the map image above.
Visit the barricaded area on floor six of the Space Travel Building

Last but not least, load into the Buried City map and make your way over to the Space Travel building. It’s located in the New District area in the northeast of the map. Enter the building from any direction and proceed to the stairwell located on the northern side. Make your way up to floor six. Watch out for the turret as you go up the stairs.
When you reach floor six, head forward and go right to find a barricaded door ahead of you. Use your axe to breach it, then step through the doorway to complete the objective. Note that the area is teeming with Fireballs and Ticks, so be on your guard. It’s worth looting as well if you have the time before extracting.
With that, you’ll have completed all three objectives. Head back to Speranza and remember to claim your rewards (Lure Grenade Blueprint, x3 Speaker Components, and x3 Electrical components) from Celeste.
FAQs
The Dam Surveillance Key is a random drop that spawns in Dam Battlegrounds, primarily in drawers, crates, and lockers in buildings such as the Testing Annex, Research and Administration, and Water Treatment Control.
To unlock new maps, you’ll need to complete a set number of runs: four for the Practice Range, six for Buried City, twelve for Spaceport, and 18 for The Blue Gate.
Lure Grenade Blueprint, x3 Speaker Components, and x3 Electrical components.