Calamity Mod Wiki
Brimstone Slag
  • Brimstone Slag.png
  • Brimstone Slag placed graphic
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
  • Pickaxe icon.png 100%
TypeBlockCrafting material
PlaceableTango Tick1.png
Use time14 Very Fast
Map color#352138 ●
RarityRarity Level: 3
Sell 2 Silver Coin.png

Brimstone Slag is a block that comprises most of the Brimstone Crag biome, and typically surrounds Charred Ore. It spawns naturally upon world generation. It requires at least a Molten Pickaxe to mine.


Used in

ResultIngredientsCrafting station
Ancient BasinAncient BasinAncient AltarAncient Altar
Ancient BathtubAncient Bathtub
  • Brimstone SlagBrimstone Slag (14)
Ancient BedAncient Bed
  • Brimstone SlagBrimstone Slag (15)
  • SilkSilk (5)
Ancient BookcaseAncient Bookcase
  • Brimstone SlagBrimstone Slag (20)
  • BookBook (10)
Ancient ChairAncient Chair
  • Brimstone SlagBrimstone Slag (4)
Ancient ChandelierAncient Chandelier
Ancient DoorAncient Door
  • Brimstone SlagBrimstone Slag (6)
Ancient DresserAncient Dresser
  • Brimstone SlagBrimstone Slag (16)
Ancient LampAncient Lamp
Ancient LanternAncient Lantern
Ancient MonolithAncient Monolith
Ancient Pipe OrganAncient Pipe Organ
Ancient SinkAncient Sink
Ancient SofaAncient Sofa
  • Brimstone SlagBrimstone Slag (5)
  • SilkSilk (2)
Ancient TableAncient Table
  • Brimstone SlagBrimstone Slag (8)
Ancient Work BenchAncient Work Bench
  • Brimstone SlagBrimstone Slag (10)
Music Box (The Tale of a Cruel World)Music Box (The Tale of a Cruel World)Ashen AltarAshen Altar
Living Brimstone Fire BlockLiving Brimstone Fire Block (20)By Hand
Altar of the AccursedAltar of the AccursedCosmic AnvilCosmic Anvil
Brimflame DyeBrimflame DyeDye VatDye Vat
Ancient AltarAncient AltarIron AnvilIron Anvil
Lead AnvilLead Anvil
Brimstone Slag WallBrimstone Slag Wall (4)
  • Brimstone SlagBrimstone Slag
Work BenchWork Bench
Smooth Brimstone SlagSmooth Brimstone Slag
  • Brimstone SlagBrimstone Slag
total: 23 row(s)


  • Brimstone Slag can be used to make an artificial Brimstone Crag anywhere in the world.