Where to find Sentinels in Arc Raiders
Sentinel Firing Cores in Arc Raiders are found on robotic snipers
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The Sentinels in Arc Raiders are very rare enemies; sniper turrets set up on certain buildings that draw a bead on nearby players before doing huge damage. Sentinels are rare, but they drop Sentinel Firing Cores, items needed for Gunsmith table upgrades. Below I'll explain where to find Sentinel's locations in different maps, and an alternative way to find the Firing Cores.
Sentinel locations in Arc Raiders
Sentinels spawn randomly in Arc Raiders and are very rare, but always spawn outside on high locations with long sightlines where they can target people at range. They seem to have a higher spawn rate in Night Raids, and I've personally seen them appear at all the following locations:
- Dam Battlegrounds: The Breach
- Buried City: Town Hall
- Spaceport: Departure Building
- The Blue Gate: Pilgrim's Peak
You'll know if a Sentinel is nearby because you'll see the laser sight sweeping across the area. If one sees you, the laser will focus on you, and you'll have a moment to get behind cover. To kill the Sentinel, use cover to close the distance until you're in range to shoot at it. They don't have a huge amount of health in comparison to other rare enemies in Arc Raiders, so if you can get close then you won't need much effort to kill it.
How to get Sentinel Firing Cores
Sentinel Firing Cores are, of course, found on Sentinels, usually at a rate of one core per Sentinel. However, they also have a small chance to be dropped by Arc Couriers, the white, saucer-shaped objects that you can breach open, usually marked by plumes of smoke. It's absolutely worth prying open every courier you see, and worth keeping in mind that there's generally more crashed Couriers during Electromagnetic Storms in Arc Raiders.
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Weekly digests, tales from the communities you love, and more

Joel Franey is a writer, journalist, podcaster and Very Tired Man with a BA from Brunel University, a Masters from Sussex University and a decade working in games journalism, often focused on guides coverage but also in reviews, features and news. His love of games is strongest when it comes to groundbreaking narratives like Disco Elysium, UnderTale and Baldur's Gate 3, as well as innovative or refined gameplay experiences like XCOM, Sifu, Arkham Asylum or Slay the Spire. He is a firm believer that the vast majority of games would be improved by adding a grappling hook, and if they already have one, they should probably add another just to be safe. You can find old work of his at Eurogamer, Gfinity, USgamer, SFX Magazine, RPS, Dicebreaker, VG247, and more.
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