ARC Raiders Surge Coil Blueprint Guide: Locking Down The Map
If you are still defending extraction zones by just staring at the door with a shotgun, you are playing the game wrong.
The Flashpoint Update fundamentally changed how defensive holds operate in ARC Raiders. The map is crawling with even more hyper-aggressive raiders looking for the new blueprints, and the new High-Gain Antenna project has practically everyone sweating over their loot. If you are actively farming the resources required for that massive project payout, you need to read my ARC Raiders High-Gain Antenna Project Guide so you actually know what you are doing.
More importantly, you need a way to protect all that hoarded scrap when the extraction elevator finally arrives.
That is where the Surge Coil comes in. It is one of three new deployables added to the game, and it is arguably the most immediately impactful utility item available. Unlike the Canto SMG, which requires you to hunt down specific First Wave Raider caches outlined in my ARC Raiders Canto SMG Blueprint Guide, the Surge Coil is heavily dependent on a global map condition.
Here is exactly how the trap works, where to find the elusive blueprint, and how to mass produce them back at your hideout.
Understanding The Surge Coil Mechanics
The Surge Coil is a Rare utility deployable that functions as a set-and-forget defensive trap.
You place the device on the ground near a chokepoint, a breached doorway, or your extraction zone. Once armed, it periodically emits a massive electric pulse that covers a ten-meter radius. Anything caught inside that radius is immediately stunned.
It is vastly superior to the older Jolt Mine for a very specific reason: The area of effect is massive. Second, it does not discriminate.
There is one critical drawback: friendly fire. The Surge Coil will absolutely stun you and your squadmates if you are standing inside the ten-meter radius when it pulses. You must place it at a safe distance from your intended movement path or you will accidentally lock yourself in place during a heavy push.
How To Find The Surge Coil Blueprint
You cannot just buy the Surge Coil. You have to locate the blueprint in the wild and successfully extract it back to your hideout.
The blueprint only spawns during the Electromagnetic Storm map condition. You do not need to trigger a specific world event like Close Scrutiny. As long as the EM Storm is actively raging across the map, the blueprint is added to the general loot pool.
You can find the EM Storm condition active on the Dam Battlegrounds, Spaceport, and Blue Gate maps. Always check your Topside map before deploying to confirm the weather is actually terrible.
Once you are in an EM Storm, your only job is to open absolutely everything. The blueprint can spawn inside desk drawers, lockers, cupboards, industrial crates, and explosive containers. There is no guaranteed, static spawn point. Players have reported finding it in the Testing Annex, the Water Treatment Facility, the Hydroponic Domes, and the Electrical Substation. You just have to hit as many containers as humanly possible before the raid ends.
Secure Your Safe Pocket
Do not drop into an EM Storm completely naked. If you spawn in late with a free kit, half the containers will already be looted by other players.
Load in with a light kit and ensure you have at least one Safe Pocket slot completely empty. EM Storms attract highly aggressive players. The exact second you find the blueprint, move it directly into your Safe Pocket. If you die to a Rocketeer or get ambushed by a sniper on your way to extraction, you do not want to lose a one-time blueprint drop. If you are tired of getting melted by the new Vaporizer units during these chaotic weather events, read my ARC Raiders: How To Beat The Vaporizer guide to learn their attack patterns.
Crafting The Surge Coil
Once the blueprint is safely extracted to your hideout, you never have to hunt for it again unless a new Expedition completely resets your progression wipe.
To actually build the trap, you need to access an Explosives Station Level 3. The resource cost is incredibly cheap compared to the other Flashpoint weapons.
1x Electrical Components: You can craft these at the Refiner or buy them directly from Celeste using Seeds.
1x Sensors: Also craftable at the Refiner, purchasable from Celeste, or easily looted from Technological areas on the map.
1x Hornet Driver: Drops directly from destroyed Hornet ARC units. Hornets are the most common enemy in the game and spawn everywhere.
Because the materials are so easy to source, you should have absolutely no problem maintaining a full stack of three Surge Coils in your stash at all times. Craft them, deploy them at your extraction point, and let the electricity do the heavy lifting.
