Reaper Shark

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Reaper Shark
Reaper Shark.png
DamageThis attack will cause defense damage on hit. 160 / 320 Expert Mode / 352 Revengeance Mode / 371 Death Mode / 480 Master Mode / 528 Revengeance Mode Master Mode / 556 Death Mode Master Mode
Max Life100000 / 200000 Expert Mode / 300000 Master Mode
KB Resist100%
Inflicts debuffCrush DepthCrush Depth
100% chance

Debuff duration5 seconds
Debuff tooltipCrushed by aquatic pressure
Inflicts debuffFeral BiteFeral Bite
100% chance

Debuff duration5 seconds
Debuff tooltipIncrease Damage, Decrease life regen, Causes status effects
Immune toRiptide (debuff)Crush DepthConfused
BannerReaper Shark BannerReaper Shark Banner
This article is about the mini boss previously named 'Reaper'. For the vanilla enemy see Reaper.
For other uses of the term 'reaper' see Reaper (disambiguation).

The Reaper Shark is a mini boss that spawns in the 4th layer of the Abyss. It is initially stealthed as it hunts for prey, growling to indicate its presence. If approached or attacked by the player, the Reaper Shark will roar and enter an enraged state. Once enraged, it attempts to hurt the player by swimming directly into them.

At 50% health, the Reaper Shark will briefly go invincible and roar, enraging further. It will then perform a series of faster, angled dash attacks, before resuming its prior behavior. Under 10% health, the Reaper Shark will stop dashing, have its contact damage reduced by 50%, and go back to just swimming towards the player albeit more slowly than when above 50% health.

It can be detected with the Lifeform Analyzer.


  • The Reaper Shark will not spawn in the 4th layer of the Abyss if a Colossal Squid, Eidolon Wyrm or another Reaper Shark is already present.
  • In the Get fixed boi seed, its sprite appears to have legs and colors that it takes on are based on the Pyre Mantle blocks.
    • It will also fire demon scythes backwards when performing charge attacks.


  • The BestiaryBestiary entry for the Reaper Shark: "Apex predators of the void, these sharks take advantage of both their stealthiness and might to hunt anything and everything that comes near. Using their arms for purposes from hurling colossal squids into the Abyss’ walls to crushing the heavily armored heads of eidolon wyrms, few can match their raw strength."


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 only requires 10 kills to obtain its banner.
    • Fixed its bestiary entry using the wrong apostrophe.
    • Nerfed health from 190,000 / 380,000 Expert Mode to 100,000 / 200,000 Expert Mode.
    • Now drops 10-17 / 14-22 Expert Mode Depth Cells at a 50% chance instead of 10-17 at a 50% chance with a 50% chance to drop an extra 4-5 in Expert Mode.
    • Now vulnerable to electricity and sickness debuffs, but resistant to water and heat debuffs.
  • Now inflicts Crush Depth for 5 seconds but no longer inflicts Bleeding or Darkness.
  • No longer immune to Abyssal Flames, Armor Crunch, Astral Infection, Betsy's Curse, Celled, Daybroken, Demon Flames, Dryad's Bane, Frostburn, God Slayer Inferno, Holy Flames, Nightwither, Oiled, Plague, Shred, War Cleave, or Whispering Death.
  • Nerfed damage from 160 / 320 Expert Mode / 400 Revengeance Mode / 459 Death Mode to 160 / 320 Expert Mode / 352 Revengeance Mode / 371 Death Mode.
  • No longer blocks spawn rates with Colossal Squids and Eidolon Wyrms.
    • Now despawns while not in the Abyss or if the player moves extremely far away.
    • Now immune to Lava.
  • Decreased Halibut Cannon drop rate from 1% Revengeance Mode to 0.01% Revengeance Mode.
  • Decreased minimum coin drop amount from 30 Gold Coin to 25 Gold Coin.
    • Buffed health from 150,000 / 300,000 Expert Mode to 190,000 / 380,000 Expert Mode, damage from 125 / 250 Expert Mode to 160 / 320 Expert Mode, and they are no longer transparent while aggressive.
    • Decreased Marked for Death duration from 5 Revengeance Mode seconds to 2 Revengeance Mode.
  • Nerfed damage reduction from 30% to 15%.
    • Nerfed health from 226,000 / 452,000 Expert Mode to 150,000 / 300,000 Expert Mode.
    • Can now drop Halibut Cannon at a 1% chance.
    • No longer immune to Cursed Inferno.
    • Can now drop Depth Cells after defeating Calamitas.
    • Resprited.
    • Nerfed damage from 250 / 500 Expert Mode to 125 / 250 Expert Mode.
    • Can now be detected by the Lifeform Analyser and its upgrades.
    • Renamed from "Reaper" to "Reaper Shark".
    • Buffed health from 166,000 / 332,000 Expert Mode to 226,000 / 452,000 Expert Mode.
    • Can no longer spawn if any other Abyss minibosses are currently alive.