Philosopher's Stone

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Desktop version Console version Mobile version
This is the main page whose information applies to the Desktop, Console, and Mobile versions of Terraria.
For the differences of this information on Old-gen console and 3DS, see Legacy:Philosopher's Stone.
Philosopher's Stone
  • Philosopher's Stone item sprite
Stack digit 1.png
Statistics
Type
AccessoryCrafting material
TooltipReduces the cooldown of healing potions by 25%
RarityLight Red (Rarity level: 4)
Sell2 GC
Research1 required
Obtained from Obtained from
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
EntityQty.Rate
MimicMimic.png Mimic116.67%

The Philosopher's Stone is a Hardmode accessory which decreases the Potion Sickness debuff duration by 25%. This debuff normally imposes a 60-second cooldown after consuming a recovery potion; the Philosopher's Stone reduces it to 45 seconds. It has a 1/6 (16.67%) chance to be dropped by Mimics.

Crafting

Used in

ResultIngredientsCrafting station
Charm of MythsCharm of MythsTinkerer's WorkshopTinkerer's Workshop

Notes

  • The Philosopher's Stone's duration reduction effect does not stack with Charm of Myths'.
  • The Philosopher's Stone decreases the duration of Potion Sickness while it is equipped. Equipping it while Potion Sickness is already in effect will proportionally decrease the remaining duration, and unequipping it while Potion Sickness is in effect will proportionally increase the remaining duration.[1]
    • For example, if the player lets half of the normal 60 seconds of Potion Sickness run out and then equips the Philosopher's Stone, the item will decrease the remaining 30 seconds by 25% to 22.5 seconds.
    • If the player consumes a recovery potion while the Philosopher's Stone is equipped, lets 25 of the 45 seconds of Potion Sickness run out, and then unequips it, the remaining 20 seconds will be increased by 33.33%[a] to 26.67 seconds.
    • If the player consumes a recovery potion while the Philosopher's Stone is equipped and then immediately unequips it, the 45 seconds of Potion Sickness will be increased by 33.33% to 60 seconds, i.e. the normal duration.
  • The duration reduction effect also works if the cooldown is not 60 seconds, such as after consuming a Mushroom (30 seconds, decreased to 22.5 seconds), a Restoration Potion (45 seconds, decreased to 33.75 seconds), or a Strange Brew (up to 70 seconds, decreased to up to 52.5 seconds).

Tips

  • For the purposes of comparing the healing power of the item when trying to judge its viability, the benefits of the Philosopher's Stone can be represented using just hitpoints per second. Using the formula [math]\displaystyle{ n \div(0.75\times{t}) - n \div{t} }[/math], where [math]\displaystyle{ n }[/math] is how much health the item used restores, [math]\displaystyle{ t }[/math] is equal to the Potion Sickness duration before the Philosopher's Stone' effects are applied. As an example, when using a Healing Potion, the formula would be [math]\displaystyle{ 100 \div (0.75\times{60}) - 100 \div 60 }[/math], giving a final value of 0.55 hitpoints per second in regeneration from the Philosopher's Stone.

Trivia

  • The philosopher's stone is a legendary alchemical substance capable of transmuting base metals such as mercury into gold or silver. It is also called the elixir of life, 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.

History

  • Desktop 1.4.4: Potion Sickness reduction is no longer "front-loaded" at the time of using the potion. Instead, the cooldown is dynamically updated whenever the accessory is equipped. Equipping it will reduce the remaining cooldown proportionally, and removing it will increase the remaining cooldown proportionally.

References

  1. ↑ Information taken from the Desktop version Desktop 1.4.4.9 source code, methods Update() in Terraria.Player.cs and AdjustRemainingPotionSickness() in Terraria.Player.cs.
  1. ↑ Equipping the Philosopher's Stone decreases the duration by 25%, i.e. multiplies it with 0.75. The inverse operation (unequipping the Philosopher's Stone) is dividing the duration by 0.75. A division by 0.75 is the same as a multiplication with 1.3333, i.e. a 33.33% increase.
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