Calamity Mod Wiki
Learn more about Expert Mode
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Expert Mode-Only Content: This information applies only to Expert Mode and Expert Mode worlds.
Cosmic Plushie.png
Cosmic Plushie.png
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Brimstone Jewel
  • Brimstone Jewel.png
Stack digit 1.png
TypePet Summon
Use time19 Very Fast
TooltipThe ultimate reward for defeating such a beast...
Who knew she'd be so darn cute!
Grants BuffSupreme Calamitas (buff)Supreme Calamitas
Buff tooltipWatching over you with supreme calamitous energy... how adorable
RarityRarity Level: 15
Sell 40 Gold Coin.png
Dropped by
Supreme Calamitas1100%
Summons Pet
Supreme Calamitas (pet)
Supreme Calamitas (pet).png

The Brimstone Jewel is a pet summoning item dropped by Supreme Calamitas in Expert Mode. It summons a miniature Supreme Calamitas to follow the player.


  • The pet's design is based on the eye-like appearance that Supreme Calamitas used in previous versions of the mod.