The Witcher 3: Wild Hunt · Consumable
Wraith Decoction Decoction
Wraith Decoction activates a Quen shield to block the next attack when a hit drains more than one third of Vitality. It requires Wraith mutagen, Blowball, Dwarven spirit, and Nostrix; its diagram has no set location and is found as random loot.
What to consider
The shield trigger applies when a single hit drains more than one third of Vitality.
Source context
All Decoctions · The Witcher 3; edition unspecified
Values follow the linked reference and its listed mode or variant. Unknown upgrade costs remain unspecified.