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An integral part of Vomvalysts and Teralysts, the exact function of this... device? Organ? is uncertain.
—Inventory description

Sentient Cores are Sentient objects that can be traded in for Standing with The Quills in Cetus. Intact Sentient Cores are dropped by Eidolon Vomvalysts while Exceptional Sentient Cores are dropped by Eidolon Teralysts, Eidolon Gantulysts and Eidolon Hydrolysts on the Plains of Eidolon, one for each Teralyst Synovia that is destroyed. They appear as white and blue orbs that float above the ground, lit up by a blue aura that makes them more visible, and marked with HUD icons much like Ayatan Stars. A Flawless Sentient Core is dropped upon successfully capturing (not defeating) a Teralyst, Gantulyst, or Hydrolyst while it is tethered by the required number of Eidolon Lures; both the Shards and the Flawless Core will be dropped by the Lures upon self-destruction, not by the Eidolon itself.

Battalysts and Conculysts on Lua can also drop Intact Sentient Cores. The Sentients aboard the Murex, either during Scarlet Spear or during Sentient Anomalies in Veil Proxima, can also drop Intact Sentient Cores. This allows for progression with the Quills outside of the Plains of Eidolon.

The Exceptional Sentient Core Conversion, a reusable Blueprint to upgrade Intact Sentient Cores to Exceptional ones, is available as an Offering from The Quills that costs ReputationBlackx64.png 500.

Redeeming these Cores will gain Standing with The Quills. Each Intact Core grants ReputationBlackx64.png 250, each Exceptional Core grants ReputationBlackx64.png 750, and each Flawless Core grants ReputationBlackx64.png 1,500. Intact Cores are also used as sacrifices for ranking up with The Quills: 10 are required to attain the Mote title and 20 are required to attain the Observer title.


QuillsCommonPickup.png QuillsUncommonPickup.png QuillsRarePickup.png
Intact Sentient Core
ReputationBlackx64.png +250
Exceptional Sentient Core
ReputationBlackx64.png +750
Flawless Sentient Core
ReputationBlackx64.png +1,500

Blueprints Requiring Sentient Cores[]

Click to view the Blueprints requiring Intact Sentient Cores
Blueprint Type Quantity
Exceptional Sentient Core x10 Resource 10
Phantasma.png Phantasma Primary 10
RevenantIcon272.png Revenant Chassis Component 10
RevenantIcon272.png Revenant Neuroptics Component 15
Total 45

Last updated: Hotfix 26.0.4 (2019-11-05)

Click to view the Blueprints requiring Exceptional Sentient Cores.
Blueprint Type Quantity
Exilus Weapon Adapter Enhancement 1
Venato.png Venato Melee 5
Total 6

Last updated: Hotfix 26.0.4 (2019-11-05)

Patch History[]

Update 30.9 (2021-11-11)

Sentient Core Standing + Blueprint Changes (NEW since the initial Dev Workshop)

In addition to the already noted changes to Amps and Ore/Gems, we’ve included an increase to Sentient Core Standing return and also modified the Exceptional Sentient Core Conversion Blueprint. Those starting out on their Quills journey should find this allows them to progress through the Syndicate faster to reach the higher tier Offerings.

Increased Standing return from Sentient Cores:

  • Intact Sentient Core Standing return from 100 to 250
  • Exceptional Sentient Core Standing return from 500 to 750
  • Flawless Sentient Core Standing return from 1200 to 1500

Update 22.13 (2018-02-15)

  • Sentient Cores now drop from Conculysts, Battalysts, and Decaying variants. They will drop either an Exceptional (25%) or Intact (75%) Sentient Core. This allows for progression with the Quills outside of the Plains of Eidolon!

Update 22.10 (2018-01-25)

  • Increased the drop chance of Intact Sentient Cores from Vomvalysts to 100%.

Hotfix 22.0.3 (2017-10-16)

Plains of Eidolon: Reward & Economy Changes/Fixes:

  • The Quills Standing increases (Flawless Sentient Cores remains the same for now):
    • Increased Intact Sentient Cores from 25 Standing to 100 Standing.
    • Increased Exceptional Sentient Cores from 400 Standing to 500 Standing.

Update 22.0 (2017-10-12)

  • Introduced