Hell is Us: Lymbic Forge Walkthrough

Q: How to open the sigil door in Lymbic Forge?

Navigate the Lymbic Forge, solve the Sigil door puzzle by activating torches and finding two sigils (Order of the Eye and Order of the Phol Guard), then progress through the Sluice by draining water using Gears (Spoked and Large) and keys (Owl and Crying Eye) to eventually reach and defeat a boss, obtaining the Hammer of Modus to open the final door.

Q: Where to find the Order of the Eye sigil?

Navigate the Lymbic Forge, solve the Sigil door puzzle by activating torches and finding two sigils (Order of the Eye and Order of the Phol Guard), then progress through the Sluice by draining water using Gears (Spoked and Large) and keys (Owl and Crying Eye) to eventually reach and defeat a boss, obtaining the Hammer of Modus to open the final door.

Q: How to drain the water in the Sluice?

Navigate the Lymbic Forge, solve the Sigil door puzzle by activating torches and finding two sigils (Order of the Eye and Order of the Phol Guard), then progress through the Sluice by draining water using Gears (Spoked and Large) and keys (Owl and Crying Eye) to eventually reach and defeat a boss, obtaining the Hammer of Modus to open the final door.

Q: Where to find the Lymbic Rods?

Navigate the Lymbic Forge, solve the Sigil door puzzle by activating torches and finding two sigils (Order of the Eye and Order of the Phol Guard), then progress through the Sluice by draining water using Gears (Spoked and Large) and keys (Owl and Crying Eye) to eventually reach and defeat a boss, obtaining the Hammer of Modus to open the final door.

Q: How to defeat the Lymbic Forge boss?

Navigate the Lymbic Forge, solve the Sigil door puzzle by activating torches and finding two sigils (Order of the Eye and Order of the Phol Guard), then progress through the Sluice by draining water using Gears (Spoked and Large) and keys (Owl and Crying Eye) to eventually reach and defeat a boss, obtaining the Hammer of Modus to open the final door.

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Walkthrough

1
Enter the forge, defeat the Hollow Walker, and save. Follow the bridges to the main hall.
2
In the main hall, note the Barracks (left), the sigil door (ahead), and the pathway to the library/living quarters (right).
3
To open the sigil door, head right to the living area. Find the room with a fireplace. Activate the north wall torches, then the south wall torch. The fireplace will lift, revealing the Order of the Eye sigil.
4
Head left from the main hall, follow the corridor to a large room with a staircase. Defeat enemies.
5
Continue through the next corridor, open the doors at the end, and jump into the pit containing two Hollow Walkers. The pit holds the Order of the Phol Guard sigil.
6
With both sigils, return to the sigil door and open it to enter the Sluice area.
7
In the Sluice, the area is filled with water. The goal is to activate levers at the water control system at the back, guarded by Hollow Walkers. Clear them out and interact with the machine.
8
To drain water, you need items. First, face the machine, turn left, defeat Hollow Walkers, and loot the skeleton for the Key - Owl.
9
Use the Owl Key to open the owl door near the fireplace puzzle. Enter and proceed.
10
In the room above, you'll find a Walker, Capacitor loot, an Old Sketchbook (Research Item), and a Lymbic Chest (Library Mystery) that requires a Rod later.
11
Take the left tunnel pathway to a locked door. Open the left door for a shortcut back to the main hallways, and the door straight ahead leads back to the Sluice room. Enter the Sluice room again.
12
In the Sluice room, turn right. Kill the Hollow Walker. Against the right wall is a chest containing the Gear - Spoked.
13
Take the Gear - Spoked back to the Sluice mechanism and place it in the slot near the left lever. Activate the lever to lower the water level.
14
Explore further: Drop down to the pathway where Hollow Walkers are. Defeat them. Find the entrance marked 'Chapel' and enter. A gate will lock behind you.
15
Follow the corridor. You'll encounter a group of Hollow Walkers. Clear them.
16
A pathway leads to a dead end with a gate containing the Lymbic Rod - Terror, X. Do not miss it.
17
Find the door with a Crying Eye symbol. Use the Key - Crying Eye (obtained from the Dorms on the left side of the main sigil door area) to open it. If you don't have it, find the dorms on the staircase above where you found the Sigil - Order.
18
Entering opens the Second Library. Follow the path to a Chapel-like location with a time loop guardian, defensive gear, and other pickups.
19
Inside the chapel, climb the staircase on the other side to reach a spot where you can run and fall onto the sermon balcony.
20
On the balcony, head inside. Find the Gear - Large, used on the Sluice.
21
In this part of the library, also find the Lymbic Rod - Rage, W (for the Lymbic Chest in the Owl door library area) and the Lymbic Rod - Neutral, V (opens the Lymbic Chest in the Dorms area). Some doors lead to Timeloop guardians.
22
A pathway underneath the balcony provides items and a way back to the Sluice. Place the Gear - Large in the remaining lever slot to fully empty the Sluice area.
23
Enter the room at the back of the now-drained Sluice, descend the elevator, and fight the boss at the bottom.
24
After defeating the boss, collect the Hammer of Modus from the sarcophagus.
25
Take the Hammer of Modus back to the Sluice mechanism to open the final door. You will also find an Amine Prism - Sigma and an investigation crafting Tome for Victor.

Tips

Explore the main forge room before tackling the sigil door to find useful items.
The Lymbic Rods (Terror, Rage, Neutral) are used to open specific Lymbic Chests for valuable loot.
The shortcut door back to the main hallways from the Sluice area can be useful for quick traversal.

Hammer of Modus
Amine Prism - Sigma
Investigation crafting Tome

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