Ouster Engine

Ouster Engine — Destiny 2 Legendary Grenade Launcher
Legendary Grenade Launcher · Stasis · Special
Where it drops: Random Perks: This item cannot be reacquired from Collections.

“"And stay out!"”

Weapon stats

Stability 22
Handling 63
Aim Assistance 72
Ammo Generation 58
Velocity 71
Airborne Effectiveness 3
Recoil Direction 62
Zoom 13
Blast Radius 100
Magazine 1
Reload Speed 63
Rounds Per Minute 72

Intrinsic Traits

Area Denial Frame

Weapon Perks

Volatile Launch Confined Launch Countermass Hard Launch Linear Compensator Quick Launch Smart Drift Control Volatile Launch Confined Launch Countermass Hard Launch Linear Compensator Quick Launch Smart Drift Control
High-Velocity Rounds Implosion Rounds High-Velocity Rounds Implosion Rounds Proximity Grenades Proximity Grenades
Air Trigger Auto-Loading Holster Stats for All Envious Assassin Rimestealer Blast Distributor Air Trigger Auto-Loading Holster Stats for All Envious Assassin Rimestealer Blast Distributor
One for All Chaos Reshaped Aggregate Charge Crystalline Corpsebloom Vorpal Weapon Chain Reaction One for All Chaos Reshaped Aggregate Charge Crystalline Corpsebloom Vorpal Weapon Chain Reaction
Problem Solver

What the Ouster Engine perks do

Area Denial Frame

Burst fire Grenade Launcher. Each projectile creates a lingering pool on impact that deals damage over time.

Volatile Launch

This weapon is optimized for an especially explosive payload. • Greatly increases blast radius • Slightly decreases handling speed • Slightly decreases projectile speed

Confined Launch

This weapon's launch parameters are particularly stable. • Greatly increases stability • Increases blast radius • Decreases projectile speed

Countermass

This weapon is weighted for vertical recoil. • Greatly controls recoil • Increases stability • Increases handling speed

Hard Launch

This weapon's launch barrel is optimized for projectile speed. • Greatly increases projectile speed • Decreases stability • Slightly decreases blast radius

Linear Compensator

This weapon's launch barrel is well-balanced. • Slightly increases projectile speed • Slightly increases blast radius • Slightly increases stability

Quick Launch

This weapon's barrel provides faster projectiles and much faster aiming. • Greatly increases handling speed • Increases projectile speed

Smart Drift Control

This barrel is broadly optimized for firing control. • Moderately controls recoil • Increases stability • Increases handling speed • Slightly increases projectile speed

High-Velocity Rounds

This weapon's projectiles are particularly light and quick. • Increases projectile speed • Increases reload speed

Implosion Rounds

This weapon's projectiles travel faster and have a controlled explosion. • Increases projectile speed • Greatly increases stability • Decreases blast radius

Proximity Grenades

Grenades fired from this weapon have increased proximity detection but a decreased blast radius.

Air Trigger

Passively grants 20 Ammo Generation Stat. (Equivalent of 1 Ammo Generation Armor Mod) Being Airborne grants the following benefits: • 30 Reload Speed • 0.8x Reload Duration Multiplier • 15?% decreased Accuracy Cone Size • 20?% decreased Auto Aim Cone Size

Auto-Loading Holster

Refills stowed weapon from reserves after 3.5 seconds of it being stowed.

Stats for All

Upon damaging 3 Separate Enemies within 3 seconds of each, for 10 seconds: • 35 Handling and Reload Speed • 10 Stability and Range • 5% increased Damage Falloff Distance • 0.95x Reload Duration Multiplier Buff duration cannot be refreshed.

Envious Assassin

Upon readying the weapon after scoring Kills with your other Weapons: Refills and/or overfills the Magazine from reserves based on the amount of Weapon Kills scored. Maximum total overfill amount is 200% of the Magazine Capacity. Each activation can only load up to 100% of the Magazine Capacity into the magazine. Loaded ammo per Kill by ammo type (rounds up): • Primary Weapons: 10% of Magazine Capacity • Special and Power Weapons: 20%

Rimestealer

Killing Frozen Enemies or Shattering a Stasis Crystal with the weapon grants a Stack of Frost Armor.

Blast Distributor

Dealing Explosive Weapon damage grants a stack of 'Blast Distributor' for 5 seconds. Maximum of 5 stacks. 'Blast Distributor' grants 10 Grenade Stat per stack.

One for All

Scoring Weapon Hits against 3 Separate Enemies within 3 seconds of each grants 35% increased damage for 10 seconds. Does not require Direct Hits. Buff duration cannot be refreshed.

Chaos Reshaped

Being in Combat for 12 seconds grants a Stack of 'Chaos Reshaped' for 7 seconds. Maintaining the first Stack for 12 seconds grants a second Stack. Buff can be activated while stowed. For Chaos Reshaped, being in Combat is defined as having either dealt or received damage within the last 5 seconds. Benefits at Chaos Reshaped x1 and x2: • x1: grants 20% increased damage • x2: grants 35% increased damage and grants a periodic burst of healing Healing effect is bugged! While Chaos Reshaped x2 is active: Stowing the weapon or keeping it readied for 7 seconds grants a continous healing effect of 5 HP per second. Stowing this weapon grants the effect for 1 to 7 seconds (cycling, it's complicated), while keeping it readied after activation makes the healing effectively constant. While this healing effect is active, NO OTHER SOURCE OF HEALING CAN RESTORE THE FINAL [~35 to 5] HP OF YOUR HEALTH BAR! This unrecoverable HP segment can only be healed by Chaos Reshaped's 5/HPs effect. For more details, visit the perk description in the Destiny Data Compendium.

Aggregate Charge

Damage against Elemental-Debuffed Targets is increased per unique debuff applied to the target. Damage increased is 10%|20%|30% at 1|2|3 Debuffs.

Crystalline Corpsebloom

Weapon Kills grant 'Crystalline Corpsebloom' for 4 seconds. Kills while Crystalline Corpsebloom is active spawn a Stasis Crystal 3 meters away from the enemy death location in a random direction.

Vorpal Weapon

Deals increased damage against Minibosses, Bosses, and Vehicles, as well as Players in their Super Ability. Damage increase by Ammo Type: • Primary Weapons: 20% [60%] • Special Weapons: 15% [20%] • Power Weapons: 10% [20%]

Chain Reaction

Weapon Kills trigger an elemental explosion matching the weapon's element. Damage and radius of the explosions varies based on the weapon's ammo type: • Special Weapons: Up to 67.2 [44.8] damage in a 2.4 meter radius • Power Weapons: Up to 109.2 [72.8] damage in a 3 meter radius

Problem Solver

Upon scoring multiple Direct Hits within 5 seconds of each against a Champion, Miniboss, or Boss Combatant: • Exhausts the combatant for 5 seconds • Grants 50? Reload Speed and 50? Handling for 10 seconds Hit requirements by weapon type: • Fusion Rifles: 12 • Rocket Pulses: 11 • Bows and Grenade Launchers: 3

Ouster Engine in Destiny 2

Own Ouster Engine? Find out if your roll is worth keeping

Connect your Bungie account and Shard or Keep appraises every copy in your vault against curated community wishlists.

Connect Bungie account

More Grenade Launchers