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Diablo Immortal

How to Get the Tal Rasha's Authority Vessel

Nathan Garvin

Information about the Tal Rasha’s Authority Vessel in Diablo Immortal, including where to find Tal Rasha’s Authority, how to install and upgrade it in the Legacy of the Horadrim, and what attribute bonuses Tal Rasha’s Authority will grant you.

(1 of 2) Defeat Lassal the Flame during an 8-person Helliquary Raid,

Defeat Lassal the Flame during an 8-person Helliquary Raid, (left), and you’ll obtain Tal Rasha’s Authority. (right)

Where to Find Tal Rasha’s Authority

You’ll obtain Tal Rasha’s Authority when you join an eight person [Helliquary Raid] and defeat [Lassal the Flame]. It’ll drop from the vanquished demon just like any other legendary. Note that this does not include the first time you fight the demon during the single player “Opening the Helliquary” objective, which is little more than an (admittedly involved) tutorial and backstory for the Helliquary.

After acquiring Tal Rasha’s Authority, you’ll need to socket it into the Legacy of the Horadrim to see any benefits.

How to Use Tal Rasha’s Authority

Finding your first Vessel will start the quest “Legacy of the Horadrim”, which will ultimately lead you to Iben Fahd’s Sanctum. Once it starts you’ll need to run around and investigate a fountain, after which a ghostly Horadrim ancient will lead you to a statue just north of the Challenge Rift Entrance. Once the chatter subsides, interact with the statue to find the entrance to Iben Fahd’s Sanctum, a dungeon you can clear every day for various rewards, but mostly to earn resources you can use to upgrade various Vessels in the Legacy of the Horadrim.

Enter Iben Fahd’s Sanctum and endure much chatter as you’re introduced to both the aforementioned sanctum and to the “Legacy Shrine”. At the end of this interaction you’ll be forced to interact with the Legacy of the Horadrim and install the Tal Rasha’s Authority Vessel you acquired earlier, giving you a minor boost to Damage. The tutorial will then lead you to the Sanctum depths, where you’ll need to complete your first run of the Iben Fahd’s Sanctum dungeon.

You can upgrade Tal Rasha’s Authority to improve the benefits it yields.

How to Upgrade Tal Rasha’s Authority

Enter the “Sanctum Depths” and you’ll find a fairly linear dungeon populated with a variety of undead. As you clear the dungeon you’ll earn Aspirant’s Keys, which randomly drop from enemies you defeat.

At the end of the dungeon you’ll find a room full of chests, one of which you can freely open just for clearing the Sanctum Depths. Subsequent chests can be opened by using Aspirant’s Keys, with each additional chest requiring more Aspirant’s Keys to open. This functionally limits the number of chests you’ll be able to open at the end of each dungeon run less you go out of your way to acquire more Aspirant’s Keys by other means - you can pick up 5x Aspirant’s Key per day by trading with the Hilts Trader.

Opening these chests will reward you with a variety of “Culling Stones”, which come in three flavors - Sapphires, Garnets and Beryls. These can be used to upgrade Vessels installed in the Legacy of the Horadrim, and serves as your primary motivation for clearing the Sanctum Depths dungeon in Iben Fahd’s Sanctum every day. Different Vessels require different Culling Stones, and the more you upgrade Vessels, the more Culling Stones subsequent upgrades will require.

Tal Rasha’s Authority in particular requires you to expend Garnets in order to upgrade it.

For pages related to the Legacy of the Horadrim, check out the following:

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Guide Information
  • Publisher
    Blizzard Entertainment
  • Platforms,
    Android, iOS, PC
  • Genre
    Action RPG, MMORPG
  • Guide Release
    1 June 2022
  • Last Updated
    27 June 2022
    Version History
  • Guide Author

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