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A bloodsucker. This symbiotic burst-rifle leeches health to forge its ammo and then restores health with each headshot.

The Hema is an Infestation w.svg Infested burst-fire rifle that uses no ammunition, instead demanding a health sacrifice to reload. It fires three-round bursts of DmgViralSmall64.png Viral agents, lifestealing on headshots to heal the user.


  • This weapon deals DmgViralSmall64.png Viral damage.
  • This weapon does not use ammo pickups; health is converted to ammo.
    • Scales with the amount of ammo restored, up to 5% of the user's max health.
  • Headshots have 5% lifesteal.


  • Lifesteal of headshot provides a method of healing.
  • Functionally infinite ammo.
  • Normal Attack
    • Above average magazine
    • Very high max ammo


  • Health drain can be detrimental in some cases.
  • Projectiles have travel time and low flight speed.
  • Normal Attack
    • Low crit chance
    • Below average damage


The Hema's blueprint can be researched from the Bio Lab in the dojo.

Manufacturing Requirements
Mutagen Mass.png
Time: 12 hrs
Rush: Platinum64.png 35
MarketIcon.png Market Price: Platinum64.png 225 Blueprint2.svg Blueprints Price:Credits64.png15,000
Bio Lab ResearchClanAffinity64.png10,000
Time: 72 hrs
Prereq: Torid
Ghost Clan x1   Shadow Clan x3   Storm Clan x10   Mountain Clan x30   Moon Clan x100


  • The Hema is a highly accurate rifle that heals the player on headshots. To reload however, the player must lay out their arm as the weapon sucks some of their health. It will drain up to 5% of the player's max health depending on how much ammo needs to be replenished to the magazine. With the unmodded magazine size of 60, each bullet reloaded drains 0.083% max health.
    • If the player is at 3 or lower health, it will not reload and the player will have no ammo until they get more health.
  • Increasing magazine size does not increase the health drain per magazine. Thus, it decreases the drain per bullet.
  • It can be considered a more effective anti-Grineer and Corpus version of the Paracyst.png Paracyst, as its base DmgViralSmall64.png Viral damage allows for DmgCorrosiveSmall64.png Corrosive and DmgHeatSmall64.png Heat for Grineer, or DmgToxinSmall64.png Toxin and DmgRadiationSmall64.png Radiation for Corpus.
  • The Hema reload has a strange interaction with holster reloads, draining significantly more than the regular 5% max health.


  • Like all burst fire weapons in Warframe, you must time your clicks in order to fire the weapon at its maximum speed. Mashing the fire button will only stall and fire the weapon at different rates. Frame rates below ~30 FPS will also begin to slow the weapon down.
  • The weapon doesn't require ammo pickups, meaning there is no risk of running out of ammo in endless missions provided the player still has health.
  • Using InarosIcon272.png Inaros or NidusIcon272.png Nidus is highly suggested due to their high base health, their various means of self-healing, and the latter's innate health regeneration. WispIcon272.png Wisp is another good option, due to the significant health and constant healing granted by her Reservoirs130xDark.png Reservoirs' Vitality Mote.


  • The Hema is the first weapon in Warframe that drains the player's health in order to reload.
  • Hema is a word derived from the Greek word haima (αἷμα), meaning 'blood', and is used as a prefix to refer to objects or conditions relating to blood, e.g. "Hematology", "Hematoxin", etc.
  • The health drained by the Hema on reloading contributes to Chroma's Fury buff from Vex Armor, albeit in very small amounts.
  • This is the second non-Archwing weapon in the game to have infinite/rechargeable ammunition after the Cycron.png Cycron and the first primary weapon with such a feature, with the Fulmin.png Fulmin, FluxRifle.png Flux Rifle, Shedu.png Shedu, and Basmu.png Basmu following this trend.


Patch History[]

Hotfix 27.0.10 (2020-01-11)

  • Fixed incorrect Energy color on the Hema muzzle flash light.

Update 22.14 (2018-03-01)

  • Added FX to Hema headshots to give it a nice leechy feel!
  • Increased headshot sound on the Hema.
  • You now need a minimum of 3 Health to reload the Hema. Ammo capacity stat is also hidden as it is not required.
  • More fixes towards reducing max Ammo Mods affecting the Hema Ammo pool leading to incomplete clip reloads.

Update 22.12 (2018-02-09)

  • Damage increased from 45 to 47.
  • Critical chance increased from 7.5% to 11%.
  • No longer requires or consumes Rifle ammo.
  • Improved projectile trail FX.

Update 19.5 (2016-12-22)

  • Introduced.