The Philosopher's Stone is an item mentioned in Castlevania: Lament of Innocence. It supposedly provides eternal youth to its owner and its creation is the ultimate goal of alchemy. The Ebony and Crimson Stones were created accidentally while attempting to forge this stone. It is not known if it was ever created successfully.
- ↑ Rinaldo: "The Philosopher's Stone is the ultimate goal of alchemy... It provides eternal youth."
- Philosopher's Stone in Wikipedia.