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Devastate free-space enemies with Phaedra, the Soma's big-sister.

The Phaedra is a large-caliber Arch-gun that shares design aesthetics and mechanics with the Soma.png Soma.


This weapon deals primarily DmgPunctureSmall64.png Puncture damage.


  • High DmgPunctureSmall64.png Puncture and good DmgImpactSmall64.png Impact damage – effective against armor and shields.
  • Very high status chance.
  • Very high fire rate once fully spooled.
  • Short reload delay of 0.25 seconds in Archwing mode.
  • Good ammo efficiency, generating relatively small cooldown for the Archgun Deployer for every second fired.
  • Innate Madurai Pol.svg polarity.


  • Low DmgSlashSmall64.png Slash damage – less effective against health.
  • Archwing:
    • Has linear damage falloff from 100% to ?% from 100m to 350m target distance (distances are affected by Projectile Speed).
    • Slow ammo regeneration rate relative to magazine size.
  • Requires a spool-up of 11 shots before optimal fire rate is achieved.
    • Fire rate starts at 50% of the listed value, and increases by 5% per shot.


The Phaedra's blueprint can be purchased from the Market. Its parts can be purchased from various Syndicates, with the receiver also being rare drop from Archwing Exterminate on Montes, Venus and Syrtis, Mars. All parts, except for the blueprint, are tradeable.

Item Source Chance Expected Nearly Guaranteed
Receiver.png Receiver Archwing Exterminate 5.64% ~ 17 A Rotations 118 ± 39 A Rotations

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.

Item Location
Blueprint Market
GenericGunBarrel.png Barrel FactionSigilJudge.png Arbiters of Hexis Offering
2 - Authentic ReputationBlackx64.png 20,000
GenericGunReceiver.png Receiver Archwing Exterminate (5.64%)

FactionSigilBusiness.png The Perrin Sequence Offering
2 - Senior Associate ReputationBlackx64.png 20,000
GenericGunStock.png Stock FactionSigilChurch.png New Loka Offering
2 - Bountiful ReputationBlackx64.png 20,000

Manufacturing Requirements
Time: 12 hrs
Rush: Platinum64.png 50
MarketIcon.png Market Price: Platinum64.png 220 Blueprint2.svg Blueprints Price:Credits64.png35,000



  • Phaedra is a character in Greek Mythology best known for her role in Euripides' play, Hippolytus. Phaedra's name derives from the Greek word φαιδρός (phaidros), which means "bright".



Patch History[]

Hotfix 29.0.7 (2020-09-03)

  • Fixed missing Phaedra Magazine when used as a Heavy Weapon.

Hotfix 29.0.6 (2020-09-01)

  • Fixed Phaedra missing its Magazine component.

Update 27.4 (2020-05-01)

  • Archwing Gun stats normalized - space combat now uses ground “Heavy Weapon” stats.
  • Phaedra accuracy increased.

Hotfix 24.2.6 (2018-12-20)

  • Shared Affinity gain now applies to Atmosphere Arch-Guns but only while equipped in the main hand.
  • Fixed not having a Arch-Gun equipped by default (if they own an Archwing primary weapon with the Gravimag installed) when changing Loadouts.
  • Fixed an issue where players with Arch-Guns in their loadout couldn't Wall Latch.
  • Fixed Chroma not playing Arch-Gun equip/charged fire animations.

Hotfix 24.2.5 (2018-12-20)

  • Changed the Arch-Gun Deployer cooldown timer to scale based on remaining Atmosphere Arch-Guns Ammo pool upon unequipping.
  • Removed unintentional ability to summon Arch-Gun in Melee Only Sorties.

Hotfix 24.2.4 (2018-12-19)

  • Arch-Gun Ammo pool increased by 2x for all Arch-Guns in Atmosphere mode.
  • Arch-Gun Deployer cooldown has been reduced to 5 minutes instead of 10.
  • Fixed Clients not hearing the Atmosphere Arch-Gun equip sound.

Hotfix 24.2.1 (2018-12-18)

  • Removed the dissolve FX when equipping your Atmosphere Arch-Gun.

Update 24.2 (2018-12-18)
It’s time we equipped some serious floor firepower! All Arch-Guns can be used on the ground - or as we like to call it ‘Atmosphere’ - with the use of a ‘Gravimag’. Gravimag is obtained from Clan Research, or as a one-time reward from the Orb Heist Phase 3 Bounty, and can be installed on any Arch-Gun (with an Orokin Catalyst installed) via the Upgrade Arsenal - similar to installing a Catalyst.

Comparable to the Archwing and K-Drive Launchers, a respective Gear item known as the Archweapon Deployer is required to activate your Atmosphere Arch-Gun. The Archweapon Deployer can be obtained by completing the Orb Heist Phase 3 Bounty.

Atmosphere Arch-Gun General Changes:

  • Atmosphere Arch-Guns consume Ammo as opposed to unlimited Ammo/Battery in Archwing. Specifically new Heavy Ammo Drops which can be found from Corpus enemies in Orb Heist missions. Heavy Ammo Drops also reset the 10 minute cool-down when picked up, or replenish Ammo if needed.
  • Atmosphere Arch-Gun can be summoned in normal missions with the Archweapon Deployer, but once Ammo has been depleted there is a 10 minute cool-down until you can summon again. The intent here is to allow you moments of beefy damage output, and not become just another Primary/Secondary weapon.

All stat changes are for Atmosphere Arch-Gun mode, Mastery Rank changes are global:

  • Mastery Rank from 0 to 3.
  • Damage increased from 45 to 56.
  • Critical Chance increased from 10% to 14%.
  • Status Chance increased from 25% to 30%.
  • Magazine size decreased from 250 to 240.
  • Ammo Capacity set at 480.
  • Reload speed set at 2 seconds.

Update 17.5 (2015-10-01)

  • Introduced.