Clavis Sapientae

This medieval alchemical treatise from the mysterious figure known as Artephius offers a glimpse into the esoteric world of alchemy. With its detailed instructions for creating the Philosopher's Stone and achieving immortality, this book has fascinated alchemists and occultists for centuries.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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