General Info
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 Requirements
The Witch Queen Deluxe Edition or The Witch Queen Dungeon key is required to access this dungeon.
- 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.
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, please see Bungie’s Help article.
Source: TWAB
Is Duality Dungeon Loot Farmable?
Duality loot (excluding the exotic weapon) can only be farmed when it is the weekly featured dungeon.
The weekly featured dungeon also gives Pinnacle Gear as a reward for completing it once per week, per character.
Encounters
 |  |  |
First Encounter | Second Encounter | Final Encounter |
Nightmare of Gahlran, Sorrow Bearer | Unlocking the Vault | Nightmare of Caiatl, Princess-Imperial |
Duality Loot Table
I. First Encounter Nightmare of Gahlran | II. Second Encounter Unlock the Vault | III. Final Encounter Nightmare of Caiatl |
– DEEP EXPLORER – Helmet | 
– DEEP EXPLORER – Arms | 
– LEGENDARY – Any Weapon *Duality Weapons. Excludes Heartshadow. |
|
– DEEP EXPLORER – Arms | 
– DEEP EXPLORER – Chest Armor | 
– LEGENDARY – Any Armor Piece *Duality Dungeon armor |
– DEEP EXPLORER – Legs | 
– DEEP EXPLORER – Class Item | |
– GRENADE LAUNCHER – Lingering Dread Stasis | 
– SUBMACHINE GUN – Unforgiven Void | 
– MACHINE GUN – Fixed Odds Solar |
– FUSION RIFLE – The Epicurean Void | 
– LINEAR FUSION RIFLE – Stormchaser Stasis | 
– PULSE RIFLE – New Purpose Arc |
– EXOTIC SWORD – Heartshadow Void *This weapon has a rare chance to drop from the final encounter boss. It cannot be farmed. |
ℹ️ All Dungeon weapons/armors can drop from the final boss. Loot from this dungeon is only farmable when it’s the weekly featured dungeon.
Engram Loot Pools
The final encounter grants two engram types (Legendary and Pinnacle), which has divided loot pools. Here is what can drop from each engram:
ENGRAM 1 (LEGENDARY):
- Weapons:
- Linear Fusion Rifle
- Heavy Machine Gun
- Armor:
- Gauntlets
- Chest
- Boots
ENGRAM 2 (PINNACLE):
- All loot can drop from this engram loot pool.
Rewards
Armor
Deep Explorer suits
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
- Chance to drop from final boss.
Origin Trait
The Bitterspite perk is on all Duality dungeon weapons.
Name | Description | More Details | |
 | Bitterspite | While this weapon is equipped, taking damage accelerates its next reload. Taking more damage increases the effect. |
Other
- Exotic Catalyst
- Wraithwalk (Exotic Perk) – Faster movement while invisible.
- Drops from Master difficulty.
- Mandate of Strength Exotic Ship
- The Deepest Truth emblem
- How to Earn?
- Complete the “Duality” Dungeon.
- How to Earn?
- Untouched by Opulence emblem
- How to Earn?
- Complete all encounters in the “Duality” dungeon solo without dying.
- How to Earn?
Preview of effect on dungeon weapons:
DUALITY DUNGEON GUIDES
Here are some guides by other creators in the Destiny community:
Duality dungeon guide – Destiny 2 via shacknews.com
Destiny 2: A Complete Guide To The Duality Dungeon via thegamer.com
- Quick Links
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