Soulthirst Cloth BeltRequires Level 45(15-25)% increased Stun and Block Recovery+(60-80) to maximum Life +15% to all Elemental Resistances (20-30)% increased Mana Recovery from Flasks (30-20)% reduced Flask Effect Duration Gain Soul Eater during any Flask Effect Lose all Eaten Souls when you use a Flask"They say a draught of fine spirits will ward off the elements and promote a longer, merrier life. I have found this to be true on all counts." - Zerphi of the Vaal
Gain Soul Eater during any Flask Effect - Soul Eater only stacks its buff count for kills during the effect of flasks with duration. The first flask used will give the soul eater buff. When using multiple flasks, using the longest duration flask first will provide the longest soul eater buff.
Lose Souls gained from Soul Eater when you use a Flask Using any flask while the Soul Eater buff if active will remove all buff stacks, but not the buff itself.
Interactions
Flask Duration - Increasing the flask duration, will increase the soul eater buff duration. Some examples of increased flask duration include:
Quality - Flask Quality increases duration. This can be increased with Glassblower's BaublesGlassblower's BaubleStack Size: 20Improves the quality of a flask or tinctureRight click this item then left click a flask or tincture to apply it. Has greater effect on lower item level, non-unique flasks. The maximum quality is 20%. to 20%, and with a Vaal OrbVaal OrbStack Size: 20Corrupts an item, modifying it unpredictablyRight click this item then left click an item to corrupt it. Corrupted items cannot be modified again. up to 30% as a random corruption outcome.
Cluster Jewels - Medium Cluster Jewelers can have 4-6 small passives with 6% increased flask effect duration. These small passives can be increased by Added Small Passive Skills have 35% increased Effect, for a total of 8% increased flask effect duration. These jewels can have a notable passive called distilled perfection that gives 10% increased flask effect duration.
Example - 2 Medium cluster jewels with the best modifiers for maximum flask effect duration give, (8 x 4) + 10 = 42 x 2 = 84 total.
Buff expiration - Being cursed with Temporal Chains and having the Shaper's Presence buff can make Other effects on Cursed enemies expire % slower. These 2 mods are additive with one another and capped at 75%.
Example At 50% effect all flasks last 2 times as long. This is equivalent too 100% more flask duration for calculations.
Longer Flasks - Some flasks have a longer duration than others. Some examples of long duration flasks include:
Replica Lavianga's SpiritReplica Lavianga's Spirit Sanctified Mana FlaskRecovers (1430-1650) Mana over 13.00 Seconds Consumes 7 of 35 Charges on useRequires Level 50(30-50)% increased Amount Recovered 50% reduced Recovery rate (5-15)% increased Attack Speed during Effect (5-15)% increased Cast Speed during Effect 10% increased Mana Cost of Skills during Effect"An intriguing paradox."Right click to drink. Can only hold charges while in belt. Refills as you kill monsters.
Coruscating ElixirCoruscating Elixir Ruby FlaskLasts 10.00 Seconds Consumes 20 of 50 Charges on use +40% to Fire Resistance +5% to maximum Fire ResistanceRequires Level 18Chaos Damage taken does not bypass Energy Shield during effect Removes all but one Life on use Removed life is Regenerated as Energy Shield over 2 seconds 25% increased DurationLet blood sear in your veins, Let the pain push outwards and turn away your enemy's blows.Right click to drink. Can only hold charges while in belt. Refills as you kill monsters.
Eternal Mana FlaskEternal Mana FlaskRecovers 1800 Mana over 7.00 Seconds Consumes 8 of 42 Charges on useRequires Level 65Right click to drink. Can only hold charges while in belt. Refills as you kill monsters. with 33% reduced Recovery rate
The Sorrow of the DivineThe Sorrow of the Divine Sulphur FlaskLasts (10.00-12.00) Seconds Consumes 40 of 60 Charges on use 40% increased DamageRequires Level 27Creates Consecrated Ground on Use(25-50)% increased Duration Zealot's Oath during Effect Life Recovery from Flasks also applies to Energy Shield during EffectAs man sins, God weeps.Right click to drink. Can only hold charges while in belt. Refills as you kill monsters.
Replica Sorrow of the DivineReplica Sorrow of the Divine Sulphur FlaskLasts (10.00-12.00) Seconds Consumes 40 of 60 Charges on use 40% increased DamageRequires Level 27Creates Consecrated Ground on Use(25-50)% increased Duration Eldritch Battery during Effect Life Recovery from Flasks also applies to Energy Shield during Effect"Success! Prototype #54 has tapped into that sliver of divinity that exists within. Faith fuels the flesh, and the flesh fuels the fire..."Right click to drink. Can only hold charges while in belt. Refills as you kill monsters.
Soulthirst can be created from the following recipes:
Amount
Part
Description
Meta
6
The WretchedThe Wretched6BeltNecromancers, believe me, are more terrifying than their thralls.
Random belt
A
7
The Dungeon MasterThe Dungeon Master7Belt Double-Influenced Item"So desperate was I for control, I turned my entire world into a prison. Now you will share in my agony."
Random double-influenced belt
A
6
The CacheThe Cache6JewelleryVintage or crafted, Glittering and shiny Dusty or glittering, huge or tiny Secured within a chest or unearthed from your mining Find jewellery everywhere, no need for divining! So why is it so hard to figure out which one to wear? This one makes me stronger, but does it match my hair?
Random jewellery
A
7
PrejudicePrejudice7Item Influenced ItemOne who is blinded by their past may only see a sliver of the present.
Random influenced item
A
6
Costly CurioCostly Curio6Item Double-Influenced Item"Oh no, I couldn't possibly afford this fine artefact. I'm... just looking."
Jack in the BoxJack in the Box4ItemTurn the crank, close your eyes, and pray to the gods for a pleasant surprise.
Random item
A
1
Singular IncubatorSingular IncubatorStack Size: 10Adds an incubated Unique item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Random item
A
1
The VoidThe Void1Reach into the Void and claim your prize.
The Soulthirst unique item once again grants Soul Eater during Flask Effect instead of while using a Flask to prevent unintended interaction with queued flask effects.
Cloth BeltCloth BeltRequires Level 16(15-25)% increased Stun and Block Recovery
.
Glassblower's BaublesGlassblower's BaubleStack Size: 20Improves the quality of a flask or tinctureRight click this item then left click a flask or tincture to apply it. Has greater effect on lower item level, non-unique flasks. The maximum quality is 20%.
to 20%, and with a 
Vaal OrbVaal OrbStack Size: 20Corrupts an item, modifying it unpredictablyRight click this item then left click an item to corrupt it. Corrupted items cannot be modified again.
up to 30% as a random corruption outcome.
Replica Lavianga's SpiritReplica Lavianga's Spirit
Coruscating ElixirCoruscating Elixir
Eternal Mana FlaskEternal Mana FlaskRecovers 1800 Mana over 7.00 Seconds
with 33% reduced Recovery rate
The Sorrow of the DivineThe Sorrow of the Divine
The Wretched
The Wretched
6BeltNecromancers, believe me, are more terrifying than their thralls.
The Dungeon Master
7Belt
The Cache
6JewelleryVintage or crafted, Glittering and shiny
Prejudice
7Item
Costly Curio
6Item
Arrogance of the Vaal
8Item
Jack in the Box
4ItemTurn the crank, 
Singular IncubatorSingular IncubatorStack Size: 10Adds an incubated Unique item to an equippable item
The Void
1Reach into the Void and claim your prize.
