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Philosopher's Stone
The Philosopher's Stone is an alchemical substance that can turn several metals, such as lead, into gold, and is also capable of creating the Panacea. The philosopher's stone is also believed to have the ability to grand Immortality to anyone whi drinks its substence.
Giovanni Borgia accidentally discovered the formula when he took a look at The Book. After he wrote it down, Bombastus used it to create the substance.