Philosopher's Stone

The Philosopher's Stone is a Hardmode accessory which decreases the Potion Sickness debuff duration by 25%. Therefore, 45 seconds after consuming a while the Philosopher's Stone is equipped, another one can be consumed. It has a  /   chance to be dropped by Mimics.

The effect applies the instant a recovery potion is consumed. This allows players to keep the accessory in their inventory or an accessory vanity slot and quickly equip it to heal, then swap it back for another accessory.

Potion Sickness is only reduced while the accessory is equipped. Specifically, when equipped, Potion Sickness is multiplied by 0.75, and when unequipped it is divided by 0.75.

Trivia

 * The is a legendary alchemical substance capable of transmuting base metals such as mercury into gold or silver. It is also called the, useful for rejuvenation and for achieving immortality. According to alchemical texts, the philosopher's stone came in two varieties: white (for the purpose of making silver), and red (for the purpose of making gold), the white stone being a less matured version of the red stone. Sometimes, the color of the stone's solid form is described as an intermediate between red and purple, transparent and glass-like. While the Philosopher's Stone of Terraria does not convert metals, it is related to rejuvenation, as it allows to heal more often. Furthermore, its appearance is consistent with the alchemical descriptions.