Effects: When imbibed this mutagenic potion adds one Bronze Talent and one Silver Talent, which can be used to acquire enhancements.

Preparation: The potion is made by mixing a striga's heart with ingredients providing one measure each of vitriol, aether and hydragenum; strong, high quality alcohol must be used as a base.

Duration: Instantaneous

Toxicity: None

The mixture of a striga's heart with common ingredients results in a mutagenic potion which, when consumed, strengthens a witcher's abilities, making him even more deadly.