Formula: Petri's philtre is an alchemy formula in The Witcher 2: Assassins of Kings that is needed to craft Petri's Philter. Geralt starts the game with this formula.
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Formula: Petri's philtre is an alchemy formula in The Witcher 2: Assassins of Kings that is needed to craft Petri's Philter. Geralt starts the game with this formula.