Critical effects mutagen

Geralt receives this mutagen if he agrees to participate in an experiment being conducted by two randomly named men, hanging around just east of the dwarven smithy in Flotsam.
de:Mutagen für kritische Effekte
fr:Mutagène d'effets critiques
it:Sostanza mutagena degli effetti critici
ru:Мутаген критических эффектов
Category:The Witcher 2 character development
Category:The Witcher 2 mutagens
Category:Rebis