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Rip into the enemy with fists of razor sharp cartilage. Steals health with each critical hit.

The Hirudo are Infestation w.svg Infested sparring weapons derived from the Kogake.png Kogake which can steal health from enemies on critical hits.


  • This weapon deals primarily DmgPunctureSmall64.png Puncture damage.
  • Critical hits heal the user by 5% of the damage dealt. Critical hits also grant the Invigorated buff, which increases max health by 5% for 15 seconds and stacks up to 5 times.
  • Stance slot comes with a Naramon Pol.svg polarity, matching Mod TT 20px.png Brutal Tide.
  • Innate Madurai Pol.svg polarity.


  • Grants a 5% movement speed bonus when held (i.e. melee mode or quick melee).
  • Normal Attack
    • Highest crit multiplier
    • High crit chance


  • Normal Attack
    • Very low damage
    • Very low attack range
    • Very low status chance
    • Low disposition


The Hirudo's blueprint can be purchased from the Market.

Manufacturing Requirements
Time: 12 hrs
Rush: PlatinumLarge.png 35
MarketIcon.png Market Price: PlatinumLarge.png 150 Blueprint2.svg Blueprints Price:CreditsLarge.png15,000


  • Every successful critical hit with the Hirudo will return 5% of damage dealt to the enemy as health to the player.
  • Each successful critical hit also increases the player's max health by 5%, referred to as Invigorated buff.
    • The health bonus lasts for 15 seconds, which refreshes every time the player lands another critical hit while the buff is active.
    • The Invigorated buff can stack up to 5 times, for a maximum of 25% additional health bonus.
  • The Hirudo's max health bonus is scaled on the Warframe's health at rank-0 and stacks additively with health mods like Mod TT 20px.png Vitality.
  • Critical strike life steal bypasses Sentient immunity.
  • Overguard blocks critical strike life steal.
  • If a companion Kavat, Kubrow, or MOA has Mod TT 20px.png Link Health equipped, they will also receive healing from Hirudo attacks, even if the player's Warframe is already at full health.


  • Since it only requires Critical Hit to activate both abilities and it doesn't require to switch to melee and energy, mod with Mod TT 20px.png True Steel, Mod TT 20px.png Blood Rush or Mod TT 20px.png Maiming Strike to increase critical chance and any damage mods to increase lifesteal.
    • Mod TT 20px.png Berserker Fury is useful in heightening one's attack speed in order to initiate more critical hits.
    • A fully ranked Mod TT 20px.png Blood Rush along with increased melee attack speed will easily allow one to heal faster than most enemies can deal damage.
  • On most Warframes, a 25% base health buff is very insignificant. InarosIcon272.png Inaros, however, would gain 27.5 health per stack, up to 137.5 at max. This is, however, still insignificant when compared against Inaros's large health pool.
  • Using a warframe with higher armor values can help one stay alive while finding a target for the Hirudo's life steal.
  • Using this weapon with either stance equipped as InarosIcon272.png Inaros can make charge attacks quite effective, as landing a charge attack on an enemy who remains alive after it connects will instantly transition into a finisher, which will activate Inaros' passive to gain health on finishers.


  • The Hirudo's name appears to be a bilingual pun in both Latin and Japanese;
    • Hirudo is the Latin word for "leech".
      • Similarly, leeches make up the subclass Hirudinea in their phylogenic classification.
    • Its name may also be a portmanteau of the Japanese words Hiru (蛭), which also means "leech", and Do (道, which may also be read separately as Michi), which can mean "way" or more loosely "doctrine", and can be found in the names of some Japanese martial arts (e.g. Kendo, Judo). Thus, the Hirudo's name can be read as "The Leech's Way" or "'The Way of the Leech".


Hirudo Skins Edit

Patch History[]

Update 26.0 (2019-10-31)

  • Damage increased from 55 to 130.
  • Range increased from 0.5 to 1.25.
  • Status Chance increased from 5% to 11%.
  • Critical Chance increased from 15% to 30%.
  • Slam Attack increased from 110 to 390.
  • Slide Attack increased from 220 to 260.
  • Parry Angle set to 50.
  • Follow Through increased from 0.5 to 0.9.

Update 21.7 (2017-09-09)

  • Fixed an issue with the Hirudo innate abilities not working in Conclave.

Hotfix 19.5.1 (2016-12-22)

  • Fixed stance polarity for Hirudo and added an extra Madurai polarization.

Update 19.5 (2016-12-22)

  • Introduced.

Last updated: Update 26.0 (2019-10-31)