Venom Draught of the VeilGrants 30% increased Elemental Ailment ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught.
Acquisition Drop restricted Drop level: 1 Obtained from Servi as a possible quest reward for completing The Slithering Dead.Metadata Item class: Quest Item Metadata ID: Metadata/Items/QuestItems/Gallows/Act3/SnakeLadyPotionConsumable2
It can be obtained by Servi during The Slithering Dead upon giving her Corpse-snake VenomCorpse-snake VenomBeware the bite of those serpents that call a human corpse home. Nature has given them the means to acquire a new dwelling. and is one of the options to finish the quest.
The 3 possible options are:
Venom Draught of StoneVenom Draught of StoneGrants 25% increased Stun ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught. (Grants 25% increased Stun Threshold)
Venom Draught of the VeilVenom Draught of the VeilGrants 30% increased Elemental Ailment ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught. (Grants 30% increased Elemental Ailment Threshold)
Venom Draught of ClarityVenom Draught of ClarityGrants 25% increased Mana Regeneration RateThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught. (Grants 25% increased Mana Regeneration Rate)
Disclaimer: This choice cannot be changed!
Usage
Venom Draught of the Veil can only be used on a character, who chose it as a reward during The Slithering Dead.
Since the other possible quest reward choices are Venom Draught of StoneVenom Draught of StoneGrants 25% increased Stun ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught. and Venom Draught of ClarityVenom Draught of ClarityGrants 25% increased Mana Regeneration RateThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught., the player has to choose between a permanent bonus to either Stun Threshold, Elemental Ailment Threshold or Mana Regeneration Rate for each character.
Disclaimer: This choice cannot be changed!
Item acquisition
Venom Draught of the Veil has restrictions on where or how it can drop.
The Slithering Dead upon giving her 
Corpse-snake VenomCorpse-snake VenomBeware the bite of those serpents that call a human corpse home.
and is one of the options to finish the quest.
Venom Draught of StoneVenom Draught of StoneGrants 25% increased Stun ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught.
(Grants 25% increased Stun Threshold)
Venom Draught of the VeilVenom Draught of the VeilGrants 30% increased Elemental Ailment ThresholdThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught.
(Grants 30% increased Elemental Ailment Threshold)
Venom Draught of ClarityVenom Draught of ClarityGrants 25% increased Mana Regeneration RateThe smell is bad enough to make a veteran warrior faint.Right-click to drink the Venom Draught.
(Grants 25% increased Mana Regeneration Rate)