The Witcher 3: Wild Hunt · Consumable
Katakan Decoction Decoction
Katakan Decoction increases critical hit chance by 10%. Ingredients are arenaria, dwarven spirit, katakan mutagen, and verbena. Gremist sells the diagram at Gedyneith after the Practicum in Advanced Alchemy side quest.
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.