
Dive into the warring mindscapes of the exiled Cabal Emperor Calus to pull off a daring mind-heist and steal his darkest secrets.
Location: The Moon
Access: The Witch Queen Deluxe Edition or The Witch Queen Dungeon key.
- Complete “A Single Thread” Quest to gain access to this Dungeon. This Quest can be picked up from Hawthorne in the Tower.
- The Witch Queen Deluxe Edition or Dungeon Key is required to get access to the Duality Dungeon.
- The Witch Queen Dungeon Key provides access to two dungeons, one launching during Season 17 and the other launching during Season 19. Actual launch dates to be announced via Bungie. The Witch Queen Dungeon Key cost 2000 silver and is located in the Eververse store on the Expansions tab.
Recommended Power
Difficulty | Recommended Power | Modifiers | Matchmaking |
Normal | 1550 | None | Disabled |
Legend | 1590 | Champions: Barrier and Unstoppable + Match Game | Disabled |
Encounters
First Encounter | Second Encounter | Final Encounter |
Nightmare of Gahlran, Sorrow Bearer | Unlocking the Vault | Nightmare of Caiatl, Princess-Imperial |
ℹ️ Legendary gear can drop an unlimited amount of times, which means you may farm this activity for loot as much as you would like. Farm away!
Weekly reward is only available when this dungeon is featured (a different dungeon rotates every week).
DUNGEON KEY OWNERSHIP CLARIFICATION
Similar to Season Passes, Dungeon Keys are applied to the first account that logs in after purchase, and moves between platforms with Cross Save.
Dungeon Keys and Season Pass Premium Track rewards can’t be game shared between platform accounts, and must instead be purchased on each account that intends to access them.
Game sharing is a platform feature and is not officially supported by Bungie. For more information, pleasesee Bungie’s Help article.
Source: TWAB











Rewards
Deep Explorer Armor Sets
Artifice Versions can be acquired via Master Difficulty.
- Hunter: Helmet | Arms | Chest | Legs | Class Item
- Titan: Helmet | Arms | Chest | Legs | Class Item
- Warlock: Helmet | Arms | Chest | Legs | Class Item
Weapons
- Lingering Dread Grenade Launcher
- The Epicurean Fusion Rifle
- Unforgiven Submachine Gun
- Stormchaser Linear Fusion Rifle
- New Purpose Pulse Rifle
- Fixed Odds Machine Gun
- Heartshadow Exotic Sword (Can only drop from final boss)
Duality Origin Trait
Name | Description | ||
Bitterspite | While this weapon is equipped, taking damage accelerates its next reload. Taking more damage increases the effect. | Receiving [20?] damage grants a stack of Bitterspite, up to 5 stacks. Bitterspite increases Reload Speed based on stacks, all of which expire upon reloading or stowing. |
Other
- Exotic Catalyst(Drops from Master difficulty)
- Perk: Wraithwalk – Faster movement while invisible.
- Mandate of Strength Exotic Ship
- Sparrow
- The Deepest Truth emblem
- How to Earn? Complete the Dungeon
- Untouched by Opulence emblem
- How to Earn? Complete all encounters in the “Duality” dungeon solo without dying.
All Dungeon weapons/armors can drop from the final boss. Duality is 100% farmable, which means players can continue getting legendary loot from each encounter an unlimited number of times, regardless of how many completions you have.
The final encounter grants two engrams, which has divided loot pools:
Engram 1:
- Weapons: Linear Fusion Rifle Heavy Machine Gun
- Armor: Gauntlets Chest Boots
Engram 2:
- All loot can drop from this engram loot pool.
Duality Loot Table

First Encounter Nightmare of Gahlran | Second Encounter Unlock the Vault | Final Encounter Nightmare of Caiatl |
Helmet Deep Explorer | Arms Deep Explorer | Any Weapon Legendary |
Arms Deep Explorer | Chest Armor Deep Explorer | Any Armor Piece Deep Explorer |
Legs Deep Explorer | Class Item Deep Explorer | |
Lingering Dread Grenade Launcher (Stasis) | Unforgiven Energy Submachine Gun(Void) | Heartshadow Exotic Sword (Void) |
The Epicurean Fusion Rifle (Void) | Stormchaser Linear Fusion Rifle (Arc) | New Purpose Pulse Rifle (Stasis) |
Fixed Odds Machine Gun (Solar) |
Here is a look at the effect on a few Dungeon weapons:
DUALITY DUNGEON GUIDES
Thank you to Nekrek in our Discord for gathering Duality loot table data and to everyone who let us know what loot dropped for them.
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