"By using the heart of a koshchey — a legendary alchemical component — a witcher can create a powerful potion which deepens the process of mutation begun during the Trial of the Grasses."
When imbibed, Koshchey's Core, a mutagenic potion, adds one Gold Talent, which can be used to acquire enhancements.
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Regular potions | |
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Mutagenic potions | |
Miscellaneous |