Key Items in Immortal Unchained are used to unlock chests, doors and shortcuts. Once picked up they will always stay in your inventory, and many areas require many of these in order to open. Key Items are listed below.

Key Items

Name Description Locations
Cerium Decree
Cerium Decrees are used as a measure of worth, allowing access to selected areas depending on the gathered amount.  
cerium_decreeiconPromethium Edict Promethium Edicts are unique keys designed by the Prime to safeguard their most valuable possessions.  
Adamant Protocol
In the upper levels of Apex Citadel there is a door that leads to a wholly different place.  Strongbox, Scar of the Abyss, Arden (On a side path in the water)
Gemini Protocol
Twisted pathways lead through the Stream in unpredictable ways. There exists a path between the realm of fire and the Prime homeworld.  
Scarab Protocol
Hidden in the land of nomad warriors lies the way to forgotten paths. Large Strongbox, Sanctum of Fate, Apexion (Hidden around the stairs coming down)
Precept Protocol
Once there was a path leading from the outer echelons of Apex Citadel to Beagor. Strongbox, Forbidden Forest, Veridian (Hidden behind bushes on a side path before going down to first boss)
Hailstone Protocol
Hidden in the charred remains of a forest lies a secret door.  Rogue Fallacy Chest
Cryo Protocol
Locked away within the Abyss is a remnant of a past long since forgotten.  
Phantom Protocol
Between realities lies a path between Apexion and Beagor.  
Skeleton Protocol
Behind locked doors the senate keeps echoes of the past hidden away.  
Aria Protocol
Beacon Key
A small machine in the shape of a key. The lost hunter claimed it would unlock a path out of the forest.  

Warden's Pendant
A pendant taken from the neck of the lost Hunter. A beautifully crafted pendant, a reminder of forgotten accomplishments. Drops from Bren if killed.
hunters_keyPilgrim's Key An old key opening a forgotten door deep within a forest. Pilgrim's Pilgrimage quest completion
Hunter's Key
Key that opens a door within the house of gods. Lost Hunter Found quest completion
hunters_keyPrison Depths Key The Queen of the Dead keeps some souls for herself, locked away deep within the Abyss Lost Memories quest completion
Metal Relay
Collected from the Augur Nexus, this relay will allow the Monolith to reestablish its connection with Thrones.  
Overgrown Relay
Collected from the Nexus of Vigil, this relay will allow the Monolith to reestablish its connection with Veridian.  
Frozen Relay
Collected from the Nexus of Records, this relay will allow the Monolith to reestablish its connection with Arden One.  
Heart of Anger
Ripped from the raging beast, the heart still beats with unnatural strength.  
Heart of Grief
The tragic fate of Iska is reflected in her blackened and still heart.  
Heart of Fear
Diminutive and kind, the boy's heart was too good for this world.  
Monolith Connection
Your imprint has been recorded by the Monolith, enabling reconstruction following lethal injuries.  
Deeper Monolith Connection
The Monolith has imprinted itself and become part of you.  
Data Slate
Self-imposed exile lead Aras to experience reality through the filter of technology.  

    • Anonymous

      22 Sep 2018 10:15  

      The hailstone protocol is in the Boreal Cache remnant world located near the Lava Fields obelisk. That boss chest includes the Seismic Hammer.

      • Anonymous

        14 Sep 2018 18:23  

        Aria protocol is in Veridian, there is a 30 cerium decree locked portal which leads to remnant world on Arden

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