ARC Raiders: How to Get Sentinel Firing Cores Fast & Easy

ARC Raiders

ARC Raiders

ARC Raiders continues to be a major multiplayer hit as more players are dropping into Topside, filling it with dynamic encounters as they engage with aggressive players and dangerous Arc machines.

Combatting the many threats on the surface requires upgrades and a little bit of hard work. Apart from running away from the deadly clankers, you need to constantly loot materials across Topside so you can upgrade your workbenches.

One such item that’s been highly elusive for other players is the Sentinel Firing Core. An item so rare that a lot of players seem to think it’s a myth. It it, though?

How to Find Sentinel Firing Cores in ARC Raiders

ARC Raiders
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Credit: Embark
Sentinel Firing Core

Finding Sentinel Firing Cores takes a lot of patience. Normally, it would drop after destroying a Sentinel Arc and looting it. The problem is that Sentinels are a rare spawn, and their locations are randomly generated throughout Topside.

Don’t mistake a random Arc Turret for a Sentinel. You can easily tell them apart by their sound effects and appearance. Arc Turrets emit a blue light to scan their environment, whereas Arc Sentinels immediately lock on to you with a long-range laser, priming you with its one-shot bullet.

Where to Find Arc Sentinels in ARC Raiders

ARC Raiders
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Credit: Embark
Sentinel under the tunnels in Blue Gate

Like the Surveyor Arc, Sentinels are so rare that you normally find one or two of them in a lobby. There is no guaranteed spawn drop for these machines, but here are some known locations where to find them:

  • Under the broken bridge in Buried City
  • Inside the tunnel exterior in Blue Gate
  • On top of the blue staircase near the Control Tower Administration Building in Dam Battlegrounds
  • On top of the Town Hall building in Buried City
  • On top of the Pilgrim’s Peak station in Blue Gate
  • Inside the tunnels in Blue Gate

There are other known locations for the Sentinel. Areas like the Rocket Assembly and North Trench Tower in Spaceport can spawn it, but they aren’t guaranteed.

If you’re looking to find these elusive Sentinels, just keep a mental note of these locations when you’re doing a raid.

Where to Find Sentinel Firing Cores Easily in ARC Raiders

ARC Raiders
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Credit: Embark
A fallen Arc Courier

There’s an alternative way to find Sentinel Firing Cores in ARC Raiders, and that’s through breaching Arc Couriers.

Arc Couriers can be found all across Topside, but they also have a rare spawn rate. These Arc Couriers are similar to Arc Probes. They aren’t aggressive, so all you need to do is get near it and breach it. The problem is, they make a lot of noise, and it takes time to open it, drawing enemies into your location.

But it’s almost always guaranteed to find a Sentinel Firing Core inside an Arc Courier. This is a safer alternative than hunting Sentinels, where you make noise and attract the fury of toxic PvP Raiders.

The Husk Graveyard and Electromagnetic Storm event increases the spawn rate of dead husks, such as Rocketeers and Wasps. Sometimes, you can even find Rocketeer and Bombardier Cells if you’re lucky!

And that’s about it. There’s no quick way to get a Sentinel Firing Core in ARC Raiders, so you have to work for it. But these two options can increase your chances of finding one.

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