Ouster Engine - Legendary Grenade Launcher

Ouster Engine is a Grenade Launcher Stasis Special in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Grenade Launcher - Stasis - Special - Area Denial Frame

Source: Random Perks: This item cannot be reacquired from Collections.

"And stay out!"

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

Air Trigger
Increased ammo generation. When airborne, accuracy and reload speed are increased but target acquisition is decreased.
Auto-Loading Holster
The holstered weapon is automatically reloaded after a short period of time.
Stats for All
Hitting three separate targets increases weapon handling, stability, reload, and range for a moderate duration.
Envious Assassin
Defeating targets with other weapons before drawing this one transfers ammo to the magazine from reserves. This effect can overflow the magazine based on the number of targets defeated.
Rimestealer
Destroying a Stasis crystal or defeating a frozen target with this weapon grants you Frost Armor.
Blast Distributor
Dealing splash damage grants a bonus to Grenade stat.

One for All
Hitting three separate targets increases damage for a moderate duration.
Chaos Reshaped
This weapon gains bonus damage while in combat for an extended time. Remaining in combat for even longer rewards a larger damage bonus and periodically heals the wielder.
Aggregate Charge
This weapon deals more damage for each elemental debuff applied to the target.
Crystalline Corpsebloom
Rapid final blows spawn a [Stasis] Stasis crystal near the victim's location.
Vorpal Weapon
Increased damage against bosses, vehicles, and Guardians with their Super active.
Chain Reaction
Each final blow with this weapon creates an elemental damage explosion.

Problem Solver
Dealing sustained damage to Champion, miniboss, or boss combatants exhausts them and grants this weapon handling and reload speed.

Exhausted targets deal reduced outgoing damage.
Vanguard Determination
After using your class ability, final blows with this weapon grant you bonus damage resistance.
Suros Synergy
Reloading grants this weapon bonus handling and reduces incoming flinch for a short time.