Wolverine

"It is not by accident that the witchers have named this potion after an animal known for its fierce and aggressive nature. Wolverine unleashes the entire potential of mutation, turning the witcher into a dervish of destruction. Witchers use this potion when they are certain that Signs will not help them in combat."

The wolverine potion increases the damage inflicted when a witcher's Vitality falls below half.

Preparation	Base	Duration	Toxicity
The potion is made by mixing ingredients providing one measure each of Quebrith, Hydragenum and Vermilion, and two measures of Aether	top quality base	8 hours	High

Source

• The Book of the Wolverine