The Locked Gate event on Blue Gate changes the whole rhythm of a raid. One minute you're doing your usual loop for parts, the next you're thinking about that sealed blast door at the Checkpoint by the Warehouse Complex and whether you've got time to crack it. If you're chasing rare crafting drops and the kind of ARC Raiders BluePrint everyone brags about, the tunnel system behind that door is the reason you risk it. But it's never just "go open the gate." It's a scavenger hunt under pressure, with other squads watching your route and AI ready to punish sloppy movement.

How the codes actually show up

You need four unique security codes, and they don't spawn as neat quest items. They're buried in random loot containers at four fixed map locations: Raider's Refuge, Pilgrim's Peak, Reinforced Reception, and Ancient Fort. That RNG can be cruel. Sometimes you'll hit three crates and get lucky, sometimes you'll empty half a building and come up blank. The upside is duplicates can spawn in the same match, so you're not instantly done if another team beat you there. Still, you've got a limited raid window, and spending ten extra minutes "just checking one more box" is how people end up sprinting for extraction with nothing to show for it.

What each location does to your raid

Each spot has its own headache. Pilgrim's Peak is the one that feels unfair, mostly because Rocketeers can lock down angles before you even clock where the shots are coming from. Ancient Fort is different; it's a slow, careful place. Traps punish anyone who plays on autopilot, and you'll see players crouch-walking like it's a horror game. Raider's Refuge and Reinforced Reception look safer on paper, but that's exactly why they turn into player magnets. You'll often hear fighting there early, then silence, then someone waiting in a corner for the next person to open containers for them.

Opening the gate without getting farmed

The big twist is that once all four codes are entered in the Gate Control Room, the door opens for everyone. That creates this weird, temporary teamwork where multiple squads might be chasing different codes at the same time, even if nobody says a word. Then the gate opens and the truce evaporates. If you want to survive the rush, treat the entrance like a hot zone: clear sightlines, expect third parties, and don't be the first body through unless you're confident your team can hold the choke. Plenty of raids are won by arriving slightly late and cleaning up the mess.

Why the tunnels are still worth it

Down below, the loot is the whole point: higher-tier components, weapon parts, and those rare drops that actually move your progression forward. The catch is you've got to manage time, noise, and greed all at once. Grab what you can, don't overstay, and always plan your exit before your bag is full. If you're going to gamble on a Locked Gate run, do it with a clear plan and a reason, whether that's finishing a build or hunting a specific BluePrint for your next upgrade.