In Hell is Us, there are total 6 vault locations that you will come across. Once opened they can give you some unique items, the best weapons, relics and glyphs.
Just locating the vaults is not the task here, you need a combination of rune codes to open the vault. Finding the vault and then getting the code alone can consume a lot of your time.
So here is all the details on how you can find these forbidden knowledge Vaults and their solutions as well in Hell is Us.
- Requirement: Save Tania from Vyssa Hills.

How To Access Forbidden Vaults In Hell is US
First, you need to save Tania Alver from Vyssa Hills. Tania is a journalist and also staying in the mines. After that, you need to research items around the world map and hand them over to Tania.
Each research item will increase the progress bar of Tania. Once complete, she will have enough information from the research item and give the vault locations along with rune codes (Solution).
Rune Codes
A total of 8 rune symbols are used in the game, here is a list of all the rune symbols.

Admiration

Rage

Ecstasy

Loathing

Terror

Amazement

Grief

Vigilance
All Vaults Of Forbidden Knowledge In Hell is Us
In Hell is Us for each area, there is a secret vault in that area that you will have to find. I will guide you step by step on how you can easily locate them and open these vaults in Hell is Us.

Location #1 : Sanedra Forest Forbidden Knowledge Vault
To find the Vault at Sanedra forest, go up the hill and follow the path until you reach the OSMIF tent. There is a cave behind the tent on its right, that’s where you will find your first vault.
Solution to Sanedra Forest vault: By rotating the dials select the following combination Terror, Admiration, Rage, Amazement.

Rewards:
- Amine Prism – Sigma
- Letter – To Rosetta
- Tome – A Bitter Triumph
- Parchment – Preparations
- Glyph – Wave of Wrath – Base
- Glyph – Overwhelm – Base
- Glyph – Feed on Fear – Base
- Glyph – Gluttony – Base
Location #2 :Acasa Marshes Forbidden Knowledge Vault
The second vault is in Acasa Marshes near Jova Village. Go down to the base camp across the wooden bridge you will see a locked gate. Unlock it by entering the code 151991. Follow the path straight until you see the moon, there will be a cave to your left where the Vault will be.
Solution to Acasa Marshes Vault: Rage, Ecstasy, Terror, Grief

Rewards:
- Tuning Stone – Strong
- Polearm of Terror
- Sword of Grief
- Greatsword of Rage
- Heart of the Griffon
Location #3: Vyssa Hills Forbidden Knowledge Vault
The Vault of forbidden knowledge in Vyssa hills is located at the top of the hill behind the water fall. The cave behind the waterfall will lead you to the vault.
Solution to Vyssa Hill’s Forbidden Knowledge Vault: From left to right follow these rune combinations symbols Admiration, Amazement, Ecstasy, Rage

Rewards:
- Letter – A Spy’s Insight
- Painting – Lady Marguerith
- Parchment – Anticipation
- Glyph – Rapture – Enhanced
- Glyph – Animosity – Enhanced
- Glyph – Void – Enhanced
- Pendant of Ecstasy – Battle Bliss
- The Unbound Delusion
Location #4: Lake Cynon Forbidden Knowledge Vault
The next vault is located just near the lake inside a cave. The cave is on the East side of the lake.


Solution to Lake Cynon Vault : Vigilance, Grief, Loathing, Ecstasy

Rewards:
- Tuning Stone-Steady
- Anime Prism-Theta
- Glyph-Perfect Guard-Elite
- Memoria of the Phol
- Glyph-Lymbic Silvers-Elite
Location #5: Marastan Forbidden Knowledge Vault
Marastan Vault is located near the ruins of Raveta Estate. To reach there, head left from APC and follow the until you see large remains of some ancient rock building.

Quickly pass from there because of enemies, these foes can be avoided, and you will see a vertical rock structure. There will be a cave underneath it where the Marastan Vault will be.

Solution to Lake MartasanVault: Amazement, Vigilance, Admiration, Loathing.

Rewards:
- Anime Prism-Rho
- Orison Of Valor
- Glyph-Frightful Ambush-Elite
- Glyph-Masochistic Delight-Elite
- Glyph-Waves Of Grief-Elite
- Glyph-Rage Spike-Elite
Location #6: Jeljin Forbidden Knowledge Vault
The last Vault is located in Jeljin under a dig site that is located towards right from your APC. Follow the path until you reach a site where the hidden cave is under the tent to your left.

Solution To Jeljin Vault: To open the Jeljin vault use the combination from left to right Grief, Loathing, Vigilance, Terror.

Rewards:
- Tome – The Ascendance of Hellion Lodges and the Birth of Lymbic Aesthetics, Part 2
- Tome – The Silent Safeguard
- Parchment – Vanished
- Polearm of Grief
- Sword of Rage
- Twin Axes of Terror
- Chalice of Everflowing Turmoil
That’s all there is to know about finding all Vaults of Forbidden locations in Hell is Us.
