Blast Barrel

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Blast Barrel
  • Blast Barrel.png
Stack digit 1.png
TypeWeaponCrafting material
Damage32 Rogue
Knockback8 (Very Strong)
Critical chance4%
Use time21 Average
TooltipThrows a rolling barrel that explodes on wall collision
Stealth strikes makes the barrel bounce twice before disappearing with varied effects after each bounce
'Some people used to jump over these'
Inflicts DebuffHellfireHellfire
100% chance

Debuff duration4 seconds (Shrapnel)
2 seconds (Flame)
Debuff tooltipSlowly losing life
RarityRarity Level: 4
Sell 2 Gold Coin.png 40 Silver Coin.png
Research1 required
Projectile created
Flaming Shard
Flaming Shard
Barrel Shrapnel
Barrel Shrapnels
Dropped by
Wall of Flesh125% / 33.33% Expert Mode

The Blast Barrel is a Hardmode bomb dropped by the Wall of Flesh. When thrown, it will roll across the ground and infinitely pierce enemies until it comes into contact with a wall. Upon colliding with a wall, it will explode into shrapnel and fire shards or bounce again then explode. Shrapnel and fire shards inflict the Hellfire debuff.

Performing a stealth strike with the Blast Barrel will cause the next barrel thrown to bounce off of walls 2 times before exploding on the third wall.

Its best modifier is Flawless.


Used in


  • This weapon and its tooltip are a reference to the Donkey Kong game series, which frequently features explosive barrels that launch the player in certain directions, sometimes referred to as "Blast Barrels".


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
  • Now inflicts Hellfire instead of On Fire!.
  • No longer considered a fire weapon.
  • Increased barrel projectile velocity by 33%.
  • Fixed normal and stealth strikes being reversed.
  • Fire projectile now uses Totality Breakers' fire projectile instead of Molotov Cocktail's.
    • Increased chance to spawn shrapnel from 25% to 33%.
    • Molotov sparks now deal 75% base damage instead of 100%, last 5 seconds, and no longer infinitely pierce.
    • Fixed a spelling error in tooltip.
    • Shrapnel now functions in PvP.
  • Shrapnel no longer deals flat damage.