Subroutine IKELOS: Status=complete.
MIDNIGHT EXIGENT: Status=still in progress.
― In-game description

Sleeper Simulant is an exotic fusion rifle that is equipped in the Heavy slot.[1]


Sleeper Simulant can be retrieved from one of the following activities/vendors:

Quest source icon Quest
This item can drop as a Quest reward from The Sleeper Stirs.


Sleeper Simulant can be upgraded with the following perks:

Column 0Edit

Sleeper Simulant perk Sleeper Simulant
Weapon's laser tears through enemies and ricochets once on hard surfaces.
Infuse icon Infuse
Consume a more powerful Weapon to boost the Attack value of this Weapon.

Column 1Edit

CQB Ballistics icon CQB Ballistics
Greatly reduced recoil.

Significant penalty to range.

Smooth Ballistics icon Smooth Ballistics
Increased recoil.

Boost to range.

Column 2Edit

Hip Fire icon Hip Fire
This weapon has bonus accuracy while firing from the hip.

Column 3Edit

Speed Reload icon Speed Reload
Reload this weapon quickly.
Custom Optics icon Custom Optics
Precision glass for better zoom.
Injection Mold perk icon Injection Mold
Increased Stability, Faster Handling

Reduced Range

Column 4Edit

Activate IKELOS perk icon Activate IKELOS
Upgrades laser to allow multiple ricochets on hard surfaces.


  • In designing Sleeper Simulant, concept artist Jesse van Dijk intended it to resemble "cutting edge technology that was still in its infancy, but bears the hallmarks of a prototype that is not ready for mass distribution." Van Dijk also drew inspiration from NASA's Mars rover.[1]



  1. 1.0 1.1 Reeves, Ben. (2015) "The Life Of A Destiny Exotic: Designing Gjallarhorn's New Competition". GameInformer. Retrieved August 21, 2015.