Brimstone Sword

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Brimstone Sword
  • Brimstone Sword.png
Stack digit 1.png
Damage70 Melee
Knockback7.5 (Very Strong)
Critical chance4%
Use time27 Slow
TooltipSummons brimstone geysers on hit
Press Right Click to throw the sword like a javelin that explodes on hit
Inflicts DebuffBrimstone FlamesBrimstone Flames
100% chance

Debuff duration5 seconds (Contact)
3 seconds (Explosion, Thrown, Geyser)
Debuff tooltipIncinerating both body and mind
RarityRarity Level: 5
Sell 4 Gold Coin.png 80 Silver Coin.png
Research1 required

The Brimstone Sword is a craftable Hardmode broadsword that autoswings. It inflicts the Brimstone Flames debuff and summons a small brimstone geyser when an enemy is hit with the blade. When using alternate fire, the sword is thrown in a manner similar to that of the Ichor Spear. The thrown sword can travel a long distance before being affected by gravity and pierces up to 4 times. On hitting an enemy, it will create a short lingering explosion that deals 50% of the weapon's damage.

Its best modifier is Legendary.



Crafting Station
Mythril AnvilMythril Anvil
Orichalcum AnvilOrichalcum Anvil
Unholy CoreUnholy Core6
Brimstone SwordBrimstone Sword1


  • Only the left-click attack receives true melee boosts.
  • Due to the relative ease of crafting this sword, as well as how early it is obtainable, this weapon will remain a very powerful choice well into Hardmode.


  • This item was previously known as the "Profaned Sword". This was likely changed in order to prevent any kind of unwanted connections with Providence, the Profaned Goddess.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Nerfed damage from 100 to 70 and use time from 23 to 28.
    • Javelins and geysers now pierce 4 times instead of infinitely, and explosions now pierce once instead of twice.
    • Geysers inflict Brimstone Flames for 3 seconds instead of 2, and explosions inflict Brimstone Flames for 3 seconds instead of 4.
    • Javelins now only spawn explosions on their first hit.
    • Decreased the geyser's lifespan from 4 seconds to 2.
    • The javelin now grants 10 local immunity frames.
    • The geyser now grants -1 local immunity frames instead of setting global immunity frames to 7.
    • Decreased sell price from 7 Gold Coin.png 20 Silver Coin.png to 4 Gold Coin.png 80 Silver Coin.png.
  • Now only receives 33% of melee swing speed boosts.
  • Explosion now inflicts Brimstone Flames for 4 seconds instead of 10.
    • Buffed damage from 75 to 100 and direct hits and geyser projectiles now inflict Brimstone Flames for 5 seconds instead of 2.
    • Geyser projectiles now deal 50% less damage if they critically hit.
    • Resprited.
    • Fixed it using the wrong projectile.
    • Fixed explosion not benefitting from increased all-class damage.
    • Swing now functions in PvP.
  • Projectiles are now briefly invisible upon spawning.
    • Tooltip now mentions that its effect occurs on hits in general instead of just enemy hits.
    • Sword mode now creates explosions on hit.
    • Left click now counts as true melee and sets NPC immunity frames to 6 instead of 8.
    • Can now be right clicked to be thrown.
    • Increased Brimstone Flames duration from 1.67 seconds to 2.
  • Renamed from "Profaned Sword" to "Brimstone Sword".
  • Explosions now set NPC immunity frames to 7.