Once Human: Securement Silo Alpha Guide

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Securement Silo Alpha Access Card

Securement Silos are Once Human’s take on MMO-style dungeons. These are fairly straightforward and easy to do solo, but they do have secrets that players will want to find to maximize their loot gains. Securement Silo Alpha is one of the best dungeons to run for players in their mid-level 30s, and there are a bunch of things to know here.

Securement Silo Alpha, which is located at coordinates (80, -3599) in the Chalk Peak region, is a level 35 dungeon. Before going there, players are advised to upgrade their weapons in Once Human to the highest tier they can get. If you think you’re ready to delve into this silo, here’s a guide covering all its important parts.

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Clearing The Tunnels

First combat room in Once Human's Securement Silo Alpha

Before entering the silo, make sure to have a Stun Baton in your inventory.

After entering, you’ll have to jump or glide down the nearby silo to progress. The ledges have Claymore Mines

on them; take them out or avoid them completely. There’s usually a Storage Crate here, though, so you might want to grab that before moving on.

This part of the Securement Silo is pretty straightforward. Just follow the tunnels to progress. There will be plenty of Rosetta soldiers in your way, so stock up on ammo beforehand. Eventually, you’ll reach the catwalk of an area resembling a server room.

Securement Silo Alpha Access Card

Beat all the enemies inside the server room, and loot the Rosetta Heavy to get the Rosetta V3 Access Card. Make sure to use that card in the security room on the bottom floor. There’s a weapon crate, which is one of the best sources of loot in Once Human.

The catwalk room in Once Human Securement Silo Alpha

WIth the access card in hand, head back the way you came, and look for a door with a terminal next to it. Use the card, and follow the tunnel until you reach a large room with catwalks and an active turret on the other side. Head up the stairs to your left while taking out all the Rosetta soldiers, and either jump over the end of the catwalk or use the beams to cross over to the opposite side of the hall.

The Seepage Zone

At the other end of the hall, there’s a door guarded by two Rosetta soldiers. Take them out, then open the door to reveal a portal leading to the Seepage Zone. You’ll find yourself in a theater of sorts — get rid of the Rosetta personnel, and look for the generators scattered about the room. Activate all five of them with a Stun Baton

or any weapon that deals electric damage, and a hostile Deviation will claw its way onto the stage.

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Generator in the Seepage Zone in Once Human Securement Silo Alpha

This particular deviation has very high damage resistance. Shoot the boils on its legs to topple it and leave it vulnerable. Once it’s dead, a loot chest/portal will open in the middle of the room. Open it for a shot at getting legendary weapons and mods.

The Control Room

Boss arena of Securement Silo Alpha in Once Human

After clearing the Seepage Zone, go back to the area you came from, then unlock the blast doors using the Rosetta V3 Access Card. This leads you straight to the control room, the final area of Securement Silo Alpha, which also contains the boss.

The boss fight here is fairly straightforward — get rid of the goons, then concentrate on shooting the boss’ exposed head as he’s hiding behind his shield. He can be a little tanky, so make sure to bring the best weapons in Once Human so you can take him down quickly.Kill the boss, grab your rewards, then exit the dungeon.

There’s a very small chance here for the boss to clip through the floor and get himself stuck there. If this happens, you won’t be able to damage him without explosives, molotovs, or some sort of combat deviation that can also phase through walls or cause explosions. If this happens, the best thing to do is to get yourself killed (either via his minions, self-damage, or the boss’ attacks from beyond the floor).