Calamity Mod Wiki
Calamity Mod Wiki
Corroded Fossil
  • Corroded Fossil.png
Stack digit 9.pngStack digit 9.pngStack digit 9.png
Statistics
TypeCrafting material
RarityRarity Level: 5
Sell 60 Silver Coin.png
Dropped by
EntityQuantityRate
Flak Crab
Orthocera
Sulphurous Skater
Trilobite
1-333.33% (Tier 2)
6.67% (Tier 3)
Anthozoan Crab
Belching Coral
16.67%

Corroded Fossils are Hardmode crafting materials that drop from various enemies in the Acid Rain event after the Aquatic Scourge has been defeated. They are used to craft several weapons themed around the Acid Rain.

Crafting[]

Used in[]

Notes[]

  • 5-10 Corroded Fossils can additionally be obtained from Abyssal Crates at a 50% drop chance after completing Tier 2 Acid Rain.