Stella Montis is ARC Raiders’ fully indoor map, and it plays very differently from the open maps. Around tight hallways, vertical layouts, and locked side rooms, one of the most valuable locked rooms on the map is the Assembly Admin room, which requires the Stella Montis Assembly Admin Key to open. The room behind the door is one of the better loot pockets on the map, mainly for players who want to fill their backpacks in no time without having to roam the entire facility.
The key is a random spawn, the door is easy to miss, and the area is a PvP hotspot, so knowing exactly where to go matters. You don’t need to wander here and there; read this guide to find out the Assembly Admin Key location on Stella Montis, where to use it, and what to expect behind the door.
ARC Raiders Stella Montis Assembly Admin Key Location
There’s no fixed spawn for the Assembly Admin Key. Like most keys in ARC Raiders, it’s completely RNG, but some areas give better chances on every run. The key spawns a lot in high-density indoor loot zones, particularly the areas with desks, drawers, and lockers.
On Stella Montis map, Medical Research is one of the best places to find the Assembly Admin Key. The building contains office furniture, storage containers, and small loot interactables where keys normally appear. If luck doesn’t favor you there, Assembly Workshops north of the Medical Research is another good area to loot because it also drops a similar type of loot.
Besides Stella Montis, residential areas in all other maps spawn random keys. Apartments, offices, and administrative buildings offer keys more often than industrial zones or outdoor ruins. During my runs, I found maximum keys inside desk drawers and lockers, not loose containers. If you are on a special key hunt, take it slow, completely search the rooms, and don’t skip any loot.
Where to Use Stella Montis Assembly Admin Key in ARC Raiders
The Assembly Admin door is found in the Central Corridor at the southern section of the Assembly on Stella Montis. On the map above, you can see the Admin door’s exact marked spot west of the Lobby, northeast of the Loading Bay, and southeast of the Assembly Workshops.
For the easy route, start from the Loading Bay, then head north into Assembly and follow the hallway route. But if you are at Assembly Workshops, move south to enter the Assembly area and then follow the path towards the Central Corridor.
Once you reach the large open area with a lot of machinery and a ramp in the middle, head to the Central Corridor from the tunnel-type entrance to the right of where the ramp goes down in the dark. See the entry point we have marked in the image above.
Assembly Admin door is the first one on the right from the entrance, with a small “Assembly Admin” text written on the wall to its left. If you’re sprinting through hallways, it’s very easy to walk right past it.
What’s Inside the Assembly Admin Room
Once you unlock the door, you’ll step into a space that other players actively contest. Assembly is already a PvP-heavy area, and a locked admin room is an obvious magnet for Raiders. When you enter, first close the door behind you, and even better to drop a defensive gadget near the entrance to give yourself some breathing room if someone pushes in.
The Assembly Admin room has two floors, both packed with lootable objects. Inside, you will find random loot in desk drawers, cabinets, storage units, computer terminals, and monitors. This place frequently spits out rare materials, crafting parts, and even high-level items. Blueprints can also spawn here, though it’s completely random. Some runs pay out big, others just refill your backpack with stuff, but even the so-called bad runs are usually worth all the effort.
Because all loot is spread in one space, you can clean your hands in the entire room in a couple of minutes. Before leaving, move valuable items to your safe pocket and quickly escape to the extraction point. Assembly isn’t the place to wander, as shredders and ARCs patrol nearby corridors, and other Raiders often linger once they hear a locked door open. In Solo play, you should expect ambush attempts, as fighter squads mostly rotate through Assembly. If the area is busy, it’s better to leave the door closed and extract the key for another run.
