Cloud Key
Fluffy key that probably belongs to a sheepherder.
Zone1-0

Key of Terror
Ancient key that unlocks a terrifying memory.
CraftCraft this dark key to gain access into Fallen Inoya..
Zone1-0
RecipeGurag's Soul, Death's Sigil, Anubis' Ankh, Damien's Eye, Karp King's Bellybutton, Satan's Horn
OpensUm - Town of Inoya / Bifröst Key - Uber Boss
NoteOne material from each of the six act bosses → Fallen Inoya (Fallen Damien); also via Um in Town of Inoya or the Bifröst Uber boss portal.
→ Uber Damien

Ruby Key
Grants access to a distant land full of treasure.
CraftCraft a ruby key to gain access into Ruby Gardens..
Zone6-0
OpensEnter Ruby Garden with Ruby Key / Bifröst Key → Ruby Garden
NoteOpens Ruby Garden → Endrixia; the Bifröst also gets there.
→ Endrixia

Angelic Key
Heavenly key forged by St. Peter in the catacombs of Dawn's Chapel.
Zone6-0
NoteTarot Magician×30 makes one; also an ingredient of the Ankh of Eternal Death.
Key to Valhalla
Key to the kingdom of Valhalla.

Bifröst Key
Opens a wormhole to the Bifröst
Zone7-0
NoteMade from Bifröst Fragments; opens a wormhole to the Bifröst, which leads to the Uber bosses and special zones (Asgard, Vanaheim, Niflheim, Chaos Mist, Rift of Wealth, Eternal Battlefield…).
→ Possessed Luna

Mysterious Key
Look for a door in Dhorn Farum...
Zone4-0

Curacan Key
Opens the door to Curacan Hollow.
Zone3-4
NoteOpens Curacan Hollow (3-4), also the way to Amun Ra.

Ankh of Eternal Death
Key to the Tomb of Amun Ra..
CraftCraft this ancient key to gain access into the Tomb of Amun-Ra..
RecipeScroll of Ra×50, Angelic Key, Enchanted Sigil×2
OpensPyramid 1 → Curacan Hollow (Curacan Key needed to enter)
NoteScroll of Ra×50 + Angelic Key + Enchanted Sigil×2; use in Curacan Hollow reached from Pyramid 1 (Curacan Key needed) → Amun Ra.
→ Amun Ra
Chaos Key
Unlocks the chaos..
Key of Infernal Terror
Ancient key that unlocks a terrifying memory.
CraftCraft this dark key to gain access into the Infernal Fallen Inoya..
Ankh of Infernal Death
Key to the Tomb of Amun Ra..
CraftCraft this ancient key to gain access into the Infernal Tomb of Amun-Ra..
Tablet of Leviathan
Grants passage to the Permafrozen Chamber
Source[Inferno]: Zone/Dungeon Ancient, Legion, Fallen Monsters
OpensBoreal Island -> Boreal Cave Dungeon (no key needed to use the Tablet)
NoteUse in the Boreal Cave dungeon on Boreal Island (no key needed to enter) → Phantom Leviathan.
→ Phantom Leviathan
Tablet of Armada
Grants passage to the Secret Chamber
Source[Inferno]: Zone/Dungeon Ancient, Legion, Fallen Monsters
OpensShipwreck Cove -> Skull Cave Dungeon (no key needed to use the Tablet)
NoteUse in the Skull Cave dungeon from Shipwreck Cove → Captain Grimtide.
→ Captain Grimtide
Tablet of Parasite
Grants passage to the Heart Chamber
Source[Inferno]: Zone/Dungeon Ancient, Legion, Fallen Monsters
OpensTormented Reef -> Heart Chamber Dungeon (no key needed to use the Tablet)
NoteUse in the Heart Chamber (Belly of the Beast) from Tormented Reef → Blood Maiden.
→ Blood Maiden