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The Quellor was standard-issue to Dax Railjack crews of the Old War, dating back to the earliest, pre-Sigma craft. A rapid-fire assault rifle with a hefty magazine-size, the Quellor is an all-round workhorse. Also capable of large, short-range cryo-blasts.

The Quellor is an ancient Dax assault rifle used by Railjack crew during the Old War. Its primary fire shoots fully automatic shots with high DmgPunctureSmall64.png Puncture damage, while its Alternate Fire charges up a short-ranged DmgColdSmall64.png Cold projectile.


  • This weapon deals primarily DmgPunctureSmall64.png Puncture damage on its primary fire and DmgColdSmall64.png Cold damage on its Alternate Fire .
  • Alternate Fire charges a single, powerful shot, for a cost of 50 ammo, that travels up to 26 meters, with a guaranteed DmgImpactSmall64.png Impact proc on enemies within 18m and infinite punch through against bodies.


  • Primary fire has Innate 0.5 meter punch through.
  • Auto
    • Highest magazine
    • High max ammo
    • Very high status chance
  • Alt-Fire
    • Third highest crit chance behind ParisPrime.png Paris Prime
    • Highest magazine
    • Third highest damage behind ArtemisBowWeapon.png Artemis Bow and ArtemisBowPrimeWeapon.png Artemis Bow Prime
    • High max ammo
    • Above average crit multiplier
    • Guaranteed DmgImpactSmall64.png Impact proc provides crowd control benefits.


  • Auto
    • Low crit chance
    • Below average damage
    • Very low reload speed
    • Below average disposition
    • Low crit multiplier
  • Alt-Fire
    • Very low effective fire rate
    • Very low reload speed
    • Very low status chance
    • Below average disposition
    • Inability to hold charge.


The Quellor's main blueprint can be obtained from defeating Blite Captain, Glacik Commander, Lektro Commander, or Pyr Captain in Empyrean missions (at Kasio's Rest on Saturn Proxima, Flexa in Veil Proxima, or sometimes Korms Belt in Earth Proxima). The blueprint pickup is shared across the entire squad and can be traded between players.

Item Source Chance Expected Nearly Guaranteed
Quellor.png Blueprint Pyr Captain 7.31% ~ 13 Kills 91 ± 30 Kills
Quellor.png Blueprint Blite Captain 7.31% ~ 13 Kills 91 ± 30 Kills
Quellor.png Blueprint Lektro Commander 7.31% ~ 13 Kills 91 ± 30 Kills
Quellor.png Blueprint Glacik Commander 7.31% ~ 13 Kills 91 ± 30 Kills

All drop rates data is obtained from DE's official drop tables. See Mission Rewards#Standard Missions for definitions on reward table rotations. Drop chances are rounded to two decimal places, following the official drop tables repository.
Expected means a player can expect to obtain at least one of a drop every N attempts on average.
Nearly Guaranteed refers to the total number of attempts a player needs to obtain a 1 in 10^2,3, and 4 probability not to have recieved a single drop (99%, 99.9%, and 99.99% probability to have received at least one drop).
The combined probability of multiple drops is 1 - ((1-A%) * (1-B%) * ...) (add drops in same rotation)

For more detailed definitions and information, visit here.

Manufacturing Requirements
Time: 24 hrs
Rush: Platinum64.png 35
MarketIcon.png Market Price: Platinum64.png 240 Blueprint2.svg Blueprints Price:N/A


  • The alternate fire fires as soon as it has reached a full charge.
  • Alternate fire has linear damage falloff from 100% to 33.43% from 9m to 18m target distance (distances are affected by Projectile Speed).
  • Attempting to Alternate Fire with 49 ammo or less will cause the weapon to pause briefly, then reload.
  • The Quellor might be the Dax equivalent or counterpart to the SomaPrime.png Soma Prime: a high capacity rifle meant to mow down swaths of enemies in a single magazine, but made without typical Orokin components to be made readily available to vast crews of Dax soldiers.
  • While the weapon fires hitscan bullets, the weapon features a unique trail of lasers that fire out from the weapon, acting similarly to most ballistic weaponry and their tracer rounds to track the path of your projectiles. However, they act like the effects fired from most beam weapons, and thus lag behind the reticle while aiming around, which can cause confusion as it may appear that the weapon is not hitscan and thus players may mistakenly try to lead targets.


  • When modding for this weapon, it may be wise to focus on a hybrid build with more emphasis towards criticals. With a maxed Mod TT 20px.png Point Strike the Quellor will reach 100% critical chance on its alt fire. Using the primary fire to strip armor or remove shields may help make the alt fire even more deadly.
  • Using Mod TT 20px.png Tactical Reload in the Exilus slot can help bypass the 4 second reload, and can even make using the alt fire more consistent (albeit at the cost of ammo economy).
  • The alt fire has guaranteed Impact procs, and a low Fire Rate, making it perfect for applying powerful Slash procs via Internal Bleeding.


  • The Quellor uses a single egg-shaped object as the entire source of ammo for the weapon. When firing the orb is pushed up into position while opening a flap, then knocked back down again by the flap, a process that repeats until the weapon runs out of ammo. Then, the player will eject the orb and replace a new one inside. This implies the weapon does not use conventional ammunition and it's most likely energy based projectiles, possibly supercooled by the weapon and ejected by the energy cell.
  • Highest damage of all hitscan automatic rifles.
  • Alternative fire is tied with Stahlta.png Stahlta for the highest critical chance of all charge-up rifles.
  • Third slowest reload speed of all primary rifles, after Gorgon.png Gorgon and Trumna.png Trumna.


Patch History[]

Update 29.0 (2020-08-25)

  • Decreased Alt Fire ammo cost from 75 to 50.
  • Increased lifetime of Alt Fire projectile from 0.095s to 0.12s

Hotfix 27.0.12 (2020-01-23)

  • Fixed the Quellor Alt Fire being silent when it’s meant to be Alarming (as indicated in the Arsenal).

Hotfix 27.0.9 (2020-01-09)

Hotfix 27.0.6 (2019-12-18)

  • Pennant and Quellor Blueprints are now shared pickups; no longer required for all players to manually collect the pickup! Thanks for your patience as we work toward the rest of the on-foot items being picked up.

Update 27.0 (2019-12-13)

  • Introduced.

Last updated: Update 27.0 (2019-12-13)

See Also[]