Securement Silo EX1 in Once Human can be found in the southern Chalk Peak region. Read on to learn more about Securement Silo EX1 including its location, recommended level, secret room or seepage zone, as well as a walkthrough, and the rewards you earn for completing it.

Securement Silo EX1 Location and Recommended Level

Located in the Chalk Peak Region

Manibus / Evolution's Call	Prismverse's Clash
Recommended Level
・Normal: Lv. 35 (1 Player) ・Hard: Lv. 50 (3 Players) ・Pro: Lv. 60 (4 Players)	TBD

Securement Silo EX1 can be found in the southern Chalk Peak region near the coast and Rotten Saddle.

Before you take on the dungeon, make sure you're at the appropriate level to avoid dying easily.

Chalk Peak Region Guide

Securement Silo EX1 Walkthrough

Securement Silo EX1 Objectives

Jump to a Section
Go to the Underground Lab Clear Out the Lab Monsters Defeat Enemies in the First Prison Building Go Through the Portal in the Prison Stop at Red, Go at Green Defeat the Boss Sennacherib

1. Go to the Underground Lab

Upon entering the silo, make your way to the elevator by heading to the room on the right. There will be a few enemies in this area but they can be cleared quick.

2. Clear Out the Lab Monsters

Exit the elevator and follow the hall to the lab. The lab has a lot of elite enemies as well as a miniboss in the form of Arbiter. Defeat all the enemies and Arbiter to move on to the next area.

You won't be able to leave the area as the key card needed will only drop after defeating Arbiter.

Use Tables to Keep Your Distance From the Enemies

Use tables in the lab to keep your distance from the enemies. This lets you move around and reload or heal while avoiding any damage from enemies.

3. Defeat Enemies in the First Prison Building

Exit the lab and follow the stairs to the prison. This area has a lot of enemies so reload and heal up before getting to the bottom of the stairs. The first prison building has a lot of enemies you need to clear before you can make your way to the second prison building.

Shoot The Tumors In The Hallway

After clearing the enemies in the prison, enter the hallway in the second floor and shoot the tumors in the hallway to get to the second prison building.

4. Go Through the Portal in the Prison

After passing through the hallway, you can completely ignore the enemies in the room, jump down and enter the portal below.

5. Stop at Red, Go at Green

Entering the portal will bring you to a room with a deviated traffic light. When the light is red, stop and don't move as any movement will cause you to teleport back to the starting postion. Once the light turns green, make your way to the portal on the other end of the room.

Just like the previous room, you can ignore the enemies in this area and focus on the red and green light. They will always be moving to get to you even when the light is red, causing them to turn into statues.

6. Defeat the Boss Sennacherib

Exiting through the portal leads you to the room with the final boss of the silo: Sennacherib. To defeat it, you will need to shoot out the lights on its head until all the lights are off. Similar to the room before, move only when the lights are green as yellow or red lights will cause Sennacherib to attack you.

Use The Pillars To Avoid Its Attacks

There are multiple pillars in the area you can use to shield yourself from Sennacherib's line of sight as this not only lets you dodge its attacks, but if you get spotted while moving during a red light, the pillars will block the laser attack.

Securement Silo EX1 Secret Room (Seepage Zone)

No Secret Room or Seepage Zone

Unlike the other Securement Silos, Securement Silo EX1 has no secret room or Seepage Zone.

Securement Silo EX1 Rewards

List of Rewards

Securement Silo EX1 Details

Recommended Level (Manibus and Evolution's Call)	Normal: Lv. 35 (1 Player) Hard: Lv. 50 (3 Players) Pro: Lv. 60 (4 Players)
Recommended Level (Prismverse's Clash)	TBD
Region	Chalk Peak
Boss	・Sennacherib
Rewards	・Mask Mods ・Stardust Source ・Energy Link ・Armor Mod Parts ・Eclipse Cortex Lv. 3 (Hard and Pro Mode)
Deviant	・Polar Jelly ・Atomic Lighter
Secret Room / Seepage Area?	No

Once Human Related Guides

All Securement Silo Guides

All Securement Silos

All Way of Winter Securement Silos

All Way of Winter Securement Silos