Ultimus Cleaver

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Ultimus Cleaver
  • Ultimus Cleaver.png
Stack digit 1.png
Damage130 True melee
Knockback8 (Very Strong)
Critical chance4%
Use time19 Average
TooltipLaunches damaging homing sparks and explodes on enemy hits
Inflicts DebuffHellfireHellfire
100% chance

Debuff duration6 seconds (Explosion)
Debuff tooltipSlowly losing life
RarityRarity Level: 8
Sell 12 Gold Coin.png
Research1 required
Dropped by
Ravager125% / 33.33% Expert Mode

The Ultimus Cleaver is a Hardmode broadsword that drops from the Ravager. When swung, five homing gravity-affected sparks will fly out of the weapon, with each one piercing once and dealing one-tenth of the initial damage of the Cleaver. The five sparks are always thrown out at the same semi-equidistant angles, with the highest going straight upward and the lowest going straight forward, regardless of where the player is aiming. Each spark lasts for 1.5 seconds before dissipating. Additionally, landing a true melee hit will cause explosions to erupt on the target, dealing additional damage.

Its best modifier is Legendary.


  • Despite firing projectiles when swung, this weapon is still classified as a true melee weapon, and therefore receives all of the exclusive benefits and drawbacks of the damage type.
  • The explosion generated by sword hits deals exactly 100% of the weapon's base damage, cannot critically strike, does not damage nearby targets, and cannot be modified by any means.
    • This effect, along with its visuals, is identical to the Hellkite.


  • When it was initially released, and for a few versions thereafter, the weapon was not actually swung, and instead was held out as it was used, with sparks flying out only when the user was on the ground.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • No longer has a 150% size modifier.
    • Sparks now home towards the closest enemy instead of the earliest enemy in the NPC array.
    • Now inflicts Hellfire instead of On Fire!.
    • Decreased sell price from 16 Gold Coin to 12 Gold Coin.
  • Explosion now inflicts On Fire! for 6 seconds instead of 10.
    • Dust now grants 10 local immunity frames instead of 4.
    • Trailing sparks last 1.5 seconds instead of 2 and pierce once instead of 4 times.
    • Gave it a 150% size modifier.
    • Now causes explosions on true melee hits.
    • The player can now turn while using it.
  • Fixed an oversight where it was still considered a true melee weapon.
  • Fixed spark not benefitting from increased all-class damage.
    • Reworked, it is now swung like a normal sword and creates several arcs of lightly homing sparks instead of being dragged on the ground to create sparks.
    • Buffed knockback from 5 to 8.
    • Sparks now deal 10% base damage instead of 40%, and now grant 4 local immunity frames instead of 5.