Calamity Mod Wiki
Zerg Potion
  • Zerg Potion.png
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
TypePotionCrafting material
Use time17 Very Fast
TooltipVastly increases enemy spawn rate
Grants BuffZergZerg
Buff duration10 minutes
Buff tooltipSpawn rates are boosted
RarityRarity Level: 3
Sell 40 Silver Coin.png

The Zerg Potion is a craftable Pre-Hardmode buff potion. It grants the Zerg buff, which boosts all spawn rates and maximum spawn count by 400%. It is also used in the crafting of the Chaos Candle.



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  • This potion is the opposite of the Zen Potion, which drastically decreases spawn rates.


  • Having the Bloodflare armor equipped alongside this buff during a post-Moon Lord Blood Moon is a great way to get Blood Orbs fast.
  • Make sure you use this in a place where you know you can survive as enemies can quickly overwhelm the player.


  • This potion was named after the "Zerg", a race from the StarCraft series, which are known for overwhelming the enemy with large numbers.