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An ancient weapon designed by the Entrati for use by their Necramechs. Primary fire siphons life essence from the target to fuel a devastating alt fire. Punishing automatic primary fire and an alt mode that charges up to unleash a destructive beam of energy with a large explosion at point of impact.

The Mausolon is an ancient IconOrokinOn.png Orokin fully automatic heavy rifle designed by the Entrati, serving as the primary armament for the Necramechs. It can be used by Warframes as an Arch-gun.

Boasting high critical chance, status chance, accuracy, magazine size, and fire rate, the primary fire shoots fully automatic explosive rounds that builds charges on kills to allow use of the Alternate Fire, an obliterating explosive laser.


This weapon deals primarily DmgFireSmall64.png Heat and DmgPunctureSmall64.png Puncture damage.


  • Innate DmgFireSmall64.png Heat damage – effective against Cloned Flesh, Infested, and Infested Flesh.
  • High DmgPunctureSmall64.png Puncture damage – effective against armor.
  • Primary fire shoots fully automatic rounds.
  • Alternate Fire discharges a powerful laser that explodes on impact.
    • Tied with Arquebex.png Arquebex for the second highest critical chance of all Arch-guns, behind Velocitus.png Velocitus.
    • Second highest critical multiplier of all Arch-guns, behind Velocitus.
    • Tied with Larkspur.png Larkspur primary fire, Arquebex, and Morgha.png Morgha alt-fire for the highest status chance of all Arch-guns.
    • Guaranteed Lifted b.png Lifted proc.
    • Pinpoint accuracy.
    • Fast charge speed.
    • Does not use ammo.
    • Shots explode in a 8 meter radius on impact with a surface or enemy.
  • Initial hit and explosion apply status separately.
  • Explosion does not need direct line of sight to deal damage and will penetrate walls.
  • Tied with ImperatorVandal.png Imperator Vandal for the largest magazine size of all Arch-guns.
  • Innate Madurai Pol.svg polarity.


  • Innate DmgFireSmall64.png Heat damage – less effective against Proto Shields.
  • Low DmgImpactSmall64.png Impact damage and no DmgSlashSmall64.png Slash damage – less effective against shields and health.
  • Long reload delay of 4 seconds, longest of all archguns in Archwing mode.
  • Primary Fire:
    • Explosion has linear damage falloff from 100% to 90% from central impact in Archwing Mode.
    • Explosion has linear damage falloff from 100% to 80% from central impact in Atmospheric Mode.
    • Explosion inflicts self-stagger.
  • Alternate Fire:
    • Requires 5 primary fire kills to charge a gauge and cannot fire without a full gauge.
    • Extremely low fire rate, causing a long pause after firing.
    • Explosion inflicts self-stagger.
    • Explosion has linear damage falloff from 100% to 60% from central impact.
  • Archwing:
    • Very long reload delay of 4 seconds.


A built Mausolon is automatically acquired upon claiming any Necramech, either the Voidrig or the Bonewidow, from the Foundry. Functioning as their default weapon option, the Mausolon also comes with the necessary Gravimag already pre-installed.


  • As with other Arch-guns, the Mausolon's appearance can only be customized from the Archwing's primary weapons tab, as customization options do not appear on the Heavy Weapons tab nor the Necramech's primary weapons tab.
  • While it and its Gravimag can be acquired without/before participation in the Profit-Taker Orb Heists, usage as a Heavy Weapon is only possible once the Archgun Deployer has been acquired as part of the Heist.
  • If all ammo is depleted, secondary fire cannot be triggered even if player have it fully charged. Despite not using any ammo, secondary fire requires at least some to be in magazine


  • This weapon lacks a lead indicator in Archwing mode.


  • Its name is most likely derived from the classical ruler Mausolus, most famous for lending his name to the monument/tomb of the Mausoleum.


Mausolon Skins Edit

Patch History[]

Update 30.5 (2021-07-06)

  • Ammo Chain will now give Mausolon 1800 Ammo pool instead of 1799.

Hotfix 29.6.4 (2021-01-06)

Arch-gun Weapon Inventory Slots Explanation and Fix

When we first introduced Necramechs to Warframe, they did not have a “head” component that you could change. You just owned an entire Necramech and that was it. In order to increase the cosmetic flexibility of Necramechs we made the head modular, giving you the ability to change it the same way you can change a Warframe’s Helmet. A script was run that retroactively gave you the Helmets of Necramechs you already owned so you didn't have to build them again to get the Helmet.

A mistake in that script caused players to receive extra copies of the Mausolon gun (which comes with Crafting/Claiming a Necramech in the Foundry), but without increasing your number of Archwing Weapon inventory Slots to hold them. This caused players who had already filled up their Inventory Slots to receive an error message that said "Invalid slots: Contact support" when trying to build a new Necramech or Archwing weapon. Selling the excess Mausolons you received would only temporarily suppress this error because as soon as you built another Arch-gun, you would again own more Arch-guns than you owned Inventory Slots.

The fix: upon login, if you own more Arch-guns than Slots, your Inventory count is corrected in the backend. You will still receive the "Invalid Slots" error if you try to claim a Necramech or Arch-gun from the Foundry, however, when you sell excess Arch-guns or buy Slots from the Market, the problem fixes itself for real instead of just suppressing the error message.

Hotfix 29.6.1 (2020-12-18)

  • Fixed an issue where some accounts got bonus duplicate Mausolons. Feel free to sell or use these if you were one of these players!

Update 29.5 (2020-11-19)

  • Fixed the Mausolon primary fire AoE not causing self-stagger.

Hotfix 29.2.4 (2020-10-15)

  • Fixed Force Feedback issues when firing the Mausolon.

Update 29.0 (2020-08-25)

  • Introduced.

See Also[]