Calcium Potion

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Calcium Potion
  • Calcium Potion.png
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Use time17 Average
TooltipGrants immunity to fall damage
Grants BuffCalciumCalcium
Buff duration20 minutes
Buff tooltipYou are immune to fall damage
RarityRarity Level: 1
Buy / Sell 20 Silver Coin.png /  4 Silver Coin.png
Research20 required

The Calcium Potion is a craftable Pre-Hardmode buff potion also sold by the Skeleton Merchant. Upon consumption it grants the Calcium buff, causing the player to become immune to all fall damage.



Crafting Station
Placed BottlePlaced Bottle
Alchemy TableAlchemy Table
Bottled WaterBottled Water4
Ancient Bone DustAncient Bone Dust1
Calcium PotionCalcium Potion4
Crafting Station
Alchemy TableAlchemy Table
Bottled WaterBottled Water1
Blood OrbBlood Orb10
Calcium PotionCalcium Potion1


  • The Calcium Potion can be used to negate all fall damage when riding a mount such as the Slimy Saddle.
  • The Calcium Potion will also negate fall damage from the Stoned debuff.


  • Calcium is known for its role in the formation and strengthening of bones.
    • Calcium can also help stop muscle contractions in the legs. This could explain why the player is immune to fall damage when they have the Calcium buff.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Increased buff duration from 15 minutes to 20.
    • Now uses 4 Bottled Water in its recipe instead of 1, and yields 4 instead of 1.
    • Blood Orb recipe now uses 1 Blood Orb instead of 10.
  • Increased buff duration from 10 minutes to 15.