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For the Helminth Charger mod, see Proboscis.

Each arrow spawns a swarm of sticky appendages on impact. These tongue-like probes latch onto nearby unfortunates and drag them close before bursting into a mess of diseased goo.

The Proboscis Cernos is an enhanced MutalistCernos.png Mutalist Cernos that launches appendages that pulls enemies in towards its zone of impact before releasing a large DmgViralSmall64.png Viral explosion.


  • This weapon deals primarily DmgViralSmall64.png Viral and DmgSlashSmall64.png Slash damage.
  • Arrows explode in a 7 meter radius after 1.7 seconds on impacting a surface or enemy.
    • Impact releases appendages that stuns and pulls all enemies within 9 meters towards the impact zone.
      • Appendages tick damage twice on all affected enemies before exploding.
      • Ticks do 90 damage, with a distribution of 56.25% DmgSlashSmall64.png Slash and 43.75% DmgViralSmall64.png Viral.
      • Appendages are not affected by status chance mods, such as Mod TT 20px.png Rifle Aptitude.
      • Appendages cannot crit.
    • Explosion has innate DmgViralSmall64.png Viral damage.
    • Explosion delay reduces likelihood of inflicting self-stagger.
    • Initial hit and explosion apply status separately.
    • Explosion and appendages does not need direct line of sight to deal damage and will penetrate walls.
    • Explosion inflicts self-stagger.
    • Explosion has linear damage falloff from 100% to 50% from central impact.
    • Explosion range cannot be increased with Mod TT 20px.png Amalgam Furax Body Count.
    • The explosion can benefit from Mod TT 20px.png Firestorm (Mod TT 20px.png Primed) and Mod TT 20px.png Cautious Shot. (the appendages don't benefit of Mod TT 20px.png Firestorm (Mod TT 20px.png Primed))
  • On kill, bodies will follow the arrow that killed them, damaging enemies in their path and pinning the corpse to walls.
  • Mod TT 20px.png Heavy Caliber's accuracy penalty is minimal on this weapon.
  • Fire rate mods apply double their bonuses.
  • Innate two Naramon Pol.svg polarities.


  • Third highest status chance of all bows, behind Daikyu.png Daikyu and MutalistCernos.png Mutalist Cernos.
  • Silent.
  • Charged Shot
    • High damage
    • Very high reload speed
    • Very high status chance
  • Appendages
    • Very high reload speed
    • High status chance
  • Charged Shot Explosion
    • Third highest damage behind Stahlta.png Stahlta
    • Third highest reload speed behind Phantasma.png Phantasma
    • High status chance


  • Lowest critical chance of all bows.
  • Third slowest charge speed of all bows, after Daikyu.png Daikyu and Lenz.png Lenz.
    • Cannot be fired at partial charge.
  • Arrows have travel time with slight arcing.
  • Very low ammo reserves.
  • Draws ammo from the rare sniper ammo pool.
  • Charged Shot
    • Very low crit chance
    • Very low magazine
    • Very low effective fire rate
    • Very low max ammo
    • Very low disposition
  • Appendages
    • Low crit chance
    • Very low magazine
    • Very low effective fire rate
    • Very low max ammo
    • Low damage
    • Very low disposition
    • Below average crit multiplier
  • Charged Shot Explosion
    • Below average crit chance
    • Very low magazine
    • Very low effective fire rate
    • Very low max ammo
    • Very low disposition


The Proboscis Cernos's blueprint can be purchased from the Market.

Manufacturing Requirements
Time: 12 hrs
Rush: PlatinumLarge.png 35
MarketIcon.png Market Price: PlatinumLarge.png 245 Blueprint2.svg Blueprints Price:CreditsLarge.png30,000


  • Each tick and the final explosion can damage and proc status independently.
  • Tendrils do not require line of sight to latch onto enemies, but cannot pull enemies through walls.
  • Will not pull or damage enemies inside a Nullifier bubble. Will deal damage to the bubble on the arrow hit and on explosion, but not on pre-explosion damage ticks. This is the case whether firing outside the bubble or from within the bubble.
  • Mod TT 20px.png Thunderbolt causes the arrow to explode immediately after landing.
  • Mod TT 20px.png Firestorm only affects the radius of the final blast, and does not increase the range of appendages.


  • Because of the weapon's appendages pulling enemies into a cluster, it synergizes extremely well with Warframe ability augment mods that require enemies within the said abilities' area-of-effect to trigger, such as with GaraIcon272.png Gara's Mod TT 20px.png Spectrosiphon and HydroidIcon272.png Hydroid's Mod TT 20px.png Pilfering Swarm.
  • Good primary weapon choice for Specters, because of its crowd control abilities and high base damage.
  • Can be used to pull enemies into XakuIcon272.png Xaku's Gaze to ensure their armor is reduced (or removed) before the explosion takes place.


  • A Proboscis is the elongated, tube-like mouthpart on insects like butterflies, mosquitoes, etc.


Patch History[]

Hotfix 29.5.1 (2020-11-19)

  • Removed Proboscis Cernos from Conclave.

Update 29.5 (2020-11-19)

  • Introduced.

See Also[]