The Witcher 3: Wild Hunt · Consumable
Forktail Decoction Decoction
Forktail Decoction increases Attack Power for the next attack or Sign intensity for the next Sign cast when different attacks are combined. Ingredients are bryonia, dwarven spirit, forktail mutagen, and moleyarrow. The source lists no fixed diagram location and says it is random loot.
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.