Prometheus Lens

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"I don't have time to explain why I don't have time to explain."
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Prometheus Lens
Production overview


Cult of Osiris

Rarity Class:


Weapon Type:

Trace rifle

Required Level:


Min-Max stability:


Min-Max handling:


Min-Max magazine:



Feed system:

Clip magazine

Ammunition type:

Energy cell

Fire mode:

Continuous fire

Rate of fire:

1000 RPM



Effective range:


Service history

In service:



Cult of Osiris, Guardians


Prometheus Lens is an exotic solar Trace rifle in Destiny 2: Curse of Osiris. The weapon generates a field of intense heat the longer it is fired, and kills return a fraction of ammo spent (Around 1/3). The gun was originally shipped out in Curse of Osiris with a bug that increased it's damage to kill noticeably faster than most other weapons, partially due to the solar damage field generated by the weapon. The bug is more noticeable and effective in PvP. This bug was later removed and a lot of people stopped using the weapon as much due to this.


"Cryptarchs made a crystal that starts fires? Get me one. I don't care how you do it. Go!" —Cayde-6

How's it work? Ha! The underlying principles are quite simple, really. The gun's pyreliophorite crystal—

Pyreliophorite? It's an Ionian crystal which bears some resemblance to rudimentary perovskite, which is, as you should know, a crystal with unique photovoltaic properties—

Photovoltaic? It means "regarding the conversion of light into electricity."

No, no, the gun doesn't create electricity; the gun induces an external combustion reaction. It's perovskite that—

I just explained the perovskite! If you'd stop interrupting—

Wait. I remember you. You're one of Cayde's Hunters! Get out of here! Shoo! The Cryptarchy wants nothing to do with you!


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This trace rifle can be used effectively to clear out lots of low-health enemies, along with damaging Majors with sloar shields and Ultras with the weapon's heat field.

Weapon Mods[edit]

  • Eye of Osiris - Equip this Weapon Ornament to change the appearance of Prometheus Lens.
  • Prism - Equip this Weapon Ornament to change the appearance of Prometheus Lens.

Weapon Perks[edit]

Coloumn One

  • Prismatic Inferno: Fires a solar trace beam and generates a damaging heat field that grows while the weapon continues to fire.

Coloumn Two

  • Chambered Compensator: Stable barrel attachment•Increases stability•Moderately controls recoil•Slightly decreases handling speed.

Coloumn 3

  • Projection Fuse: Distance optimalizations•Increases range.

Coloumn 4

  • Frame Retraction: Kills with this weapon return a fraction ammo used to the magazine,extending the beam's duration.

Coloumn 5

  • Composite Stock: This weapon has a versatile dual-purpose stock•Slightly increases stability•Slightly increases handling speed.


List of appearances[edit]