Set a unit's power to 13. If it's not a Witcher, damage it by 6 and Infuse it with the Witcher category first.
Faction
Neutral
Type
Special
Colour
Gold
Provision
6
Rarity
Legendary
Category
Alchemy
Set
Base Set
Flavour
Imagine a lump of clay. In order to shape it, you must first moisten it or it will crumble. The Trial's initial part does just that. It opens the body to change, so to speak. Only then can the mutagens produce a witcher.