Also known as: 賢者の石
A mythical alchemical substance that could allegedly transform base metals (most notably lead) into gold or silver. Depending on the source, it may also be a source of eternal life.
Examples
- The Philosopher's Stone plays a major role in the plot of Fullmetal Alchemist.
- One of Patchouli Knowledge's Extra-stage Spell Cards in Embodiment Of Scarlet Devil is "Fire Water Wood Metal Earth Sign "Philosopher's Stone".