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Merciless icon1.png
Season 1
Type Fusion Rifle
Slot Energy
Rarity Exotic
Damage Type Solar
Description Entropy is inevitable.
Impact 75
Range 45
Stability 39
Handling 47
Reload Speed 49
Charge Time 900
Magazine 8
Zoom 15
Inventory Size 36
Aim Assistance 69
Recoil 64
Bounce Intensity 36
Bounce Direction Tends Right
Exotic Engram Exotic Engram
May rarely be obtained upon completion of any challenge or dropped from defeated enemies.
Xûr Xûr
Occasionally sells this weapon in exchange for 29 Legendary Shards.
Merciless PvP Stats
Bolts Fired 6
Bolts to Kill 5

Merciless is an Exotic Fusion Rifle.

Perks - Curated Roll


  • Conserve momentum icon1.png Conserve Momentum — Non-lethal hits with projectiles make this weapon charge faster until its wielder gets a kill.

Sight / Barrel

  • Chambered compensator icon1.png Chambered Compensator - Stable barrel attachment.
    • Increases Stability.
    • Improves Recoil Direction.
    • Slightly decreases Handling Speed.

Magazine / Battery

  • Extended mag icon1.png Extended Mag - This weapon has a greatly increased magazine size, but reloads much slower.
    • Greatly increases magazine size.
    • Greatly decreases Reload Speed.

Trait 1

  • Impetus icon.png Impetus — Reloading immediately after a kill increases weapon damage for a short time.

Trait 2

  • Fitted stock icon1.png Fitted Stock - This stock makes the weapon stable but heavy.
    • Increases Stability.
    • Improves recoil direction.
    • Slightly decreases Handling Speed.


Merciless Catalyst can be obtained by completing Heroic or Nightfall Strikes. To unlock its upgrade, the player has to defeat enemies with this weapon.

The Catalyst increases Merciless' range and stability by 36 and Masterworks it.


  • Merciless was a Power weapon prior to Forsaken.
  • The effects of Conserve Momentum persist through weapon switches, but not through reloads.
    • It is possible to exploit this by using Merciless to weaken an enemy and proc Conserve Momentum, then switching to another weapon before killing the weakened enemy. Then, when a tough enemy comes along, you can switch back and benefit from the reduced charge time.
    • Abilities that reload weapons, such as Rally Barricade, will reload Merciless without causing Conserve Momentum's effects to wear off (or proccing Impetus), allowing for unexpectedly high DPS against bosses.


"The thought was simple enough—sync a weapon's firing and targeting systems to a caged onboard artificial intelligence programmed to actively seek fulfillment of the weapon's base driving function. Simply put, give the weapon an awareness of its purpose.

"If the machine is meant to destroy, what would happen if we made it aware of its intended goal?

"What would happen if it reacted to any failure to achieve that goal by focusing more intently on defining the parameters of said goal and adjusting its function to more aggressively seek out the successful execution of its purpose?

"These are the questions we asked ourselves while engineering the initial prototype. The answers we found—I think you'll agree—were encouraging."

– Incomplete record, author unknown



Weapon Ornaments

Primary Auto RiflesScout RiflesPulse RiflesHand CannonsSubmachine GunsSidearmsCombat Bows
Special ShotgunsGrenade LaunchersFusion RiflesSniper RiflesTrace Rifles
Heavy SwordsGrenade LaunchersRocket LaunchersLinear Fusion RiflesMachine Guns
Exotic Weapons

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