Psi Aeterna IV

Psi Aeterna IV — Destiny 2 Legendary Pulse Rifle
Legendary Pulse Rifle · Arc · Special
Where it drops: Random Perks: This item cannot be reacquired from Collections.

“Alone, unending, peerless.”

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Weapon stats

Stability 45
Handling 26
Aim Assistance 68
Ammo Generation 11
Velocity 63
Airborne Effectiveness 20
Recoil Direction 71
Zoom 20
Blast Radius 68
Magazine 5
Reload Speed 30
Rounds Per Minute 200

Intrinsic Traits

Micro-Missile 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
Appended Mag Tactical Mag Extended Mag Alloy Magazine Flared Magwell High-Velocity Rounds Implosion Rounds High-Explosive Ordnance Appended Mag Tactical Mag Extended Mag Alloy Magazine Flared Magwell High-Velocity Rounds Implosion Rounds High-Explosive Ordnance
Blast Distributor Eddy Current Beacon Rounds Stats for All Reverberation Trickle Charge Blast Distributor Eddy Current Beacon Rounds Stats for All Reverberation Trickle Charge
Collective Pugilism Elemental Honing Jolting Feedback One for All Rolling Storm Adrenaline Junkie Collective Pugilism Elemental Honing Jolting Feedback One for All Rolling Storm Adrenaline Junkie
Vanguard Determination

What the Psi Aeterna IV perks do

Micro-Missile Frame

Fires self-propelled micro-missiles that explode on impact for high damage.

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

Appended Mag

This weapon's magazine is built for higher capacity. • Increases magazine size

Tactical Mag

This weapon has multiple tactical improvements. • Slightly increases stability • Increases reload speed • Slightly increases magazine size

Extended Mag

This weapon has a greatly increased magazine size, but reloads much slower. • Greatly increases magazine size • Greatly decreases reload speed • Increases airborne effectiveness

Alloy Magazine

Linearly grants a Reload Duration Multiplier as your magazine drops from 50% capacity to empty. Reload Duration Multiplier scales from 0.9x at 50% capacity to 0.8x with an empty magazine.

Flared Magwell

Optimized for fast reloading. • Slightly increases stability • Greatly increases reload 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

High-Explosive Ordnance

This weapon's projectiles are larger and travel faster. • Increases blast radius • Slightly increases projectile speed • Decreases magazine size

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.

Eddy Current

Grants the following after sprinting for 1.5 seconds with the weapon readied: • 20 Reload Speed • 0.95x Reload Duration Multiplier • ? Handling • 0.95x Handling Animation Duration Multiplier Sprinting refreshes the buff duration. Being Amplified removes the sprinting requirement and increases the Reload Speed stat bonus to 60.

Beacon Rounds

Kills with the weapon grant a Stack of Beacon Rounds for 6 seconds. Maximum of 4 Stacks. Scoring futher Hits with the weapon can extend the buff duration up to the maximum of 4 seconds. Buff can be activated while stowed. Each Stack grants increased projectile tracking. Projectile Tracking is only in effect while the Targeted Reticle is active. Grants the following while you have active Stacks: • 15 Reload Speed • 0.9x Reload Duration Multiplier • 45% increased Projectile Tracking Cone size

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.

Reverberation

Weapon Kills grant 100 Blast Radius for 5.5 seconds. Blast Radius does not affect the lingering pools created by Area Denial Frame Grenade Launchers.

Trickle Charge

Receiving Bolt Charge refills 10% of the magazine. Does not currently dissipate Heat for Heat Weapons. Discharging Bolt Charge refills 20% of the magazine. Dissipates 100% Heat on Heat Weapons. Works while stowed.

Collective Pugilism

Collecting an Elemental Pickup enables Weapon Damage to generate Melee Ability energy per hit for 8 seconds. Ionic Traces, Stasis Shards, and Shot Tangles extend the timer by 4 seconds. Firesprites, Void Breaches, and Thrown Tangles extend the timer by 8 seconds. Timer can be extended to a maximum of 16 seconds. Melee energy granted by weapon type: Spreadshot HC: 0.5% Burst Sidearm: 0.78% Fusion Rifle: 1.15% Rocket Pulse: 1.95% Sidearm: 2.34% Scout: 3.34% Rocket Launcher: 12.9% Elemental Pickups include Firesprites, Ionic Traces, Stasis Shards, Tangles, and Void Breaches.

Elemental Honing

Dealing Elemental Damage grants a stack of Elemental Honing for 20 seconds for each unique Element used. Maximum of 5 stacks. Gaining a stack refreshes the buff duration. Duration cannot be refreshed once at 5 stacks. Buff can be activated while stowed. Kinetic Damage does not trigger the buff. Weapon damage increase at 1|2|3|4|5 stacks by weapon damage type: • Kinetic: 10%|20%|30%|35%|40% • Elemental (PVE): 2.5%|10%|20%|30%|35% • Elemental (PVP): 1.25%|5%|20%|30%|35%

Jolting Feedback

Scoring multiple Direct Hits with the weapon within 3 seconds of each causes the next Direct Hit to apply Jolt. Being Amplified decreases the number of Hits required. Hits needed to activate normally | while Amplified: • Submachine Guns, Trace Rifles: 18 | 13 • Machine Guns: 16 | 11 • Auto Rifles: 15 | 11 • Pulse Rifles: 14 | 9 • Sidearms: 10 | 7 • Rocket Pulse Rifle: 8 | 5 • Scout Rifles, Hand Cannons: 7 | 6 • Swords: 6 | 4 • Glaives, Linear Fusion Rifles: 4 | 3 • Rocket Sidearm, Sniper Rifle?: 4 | 2 • Bows, Grenade Launchers: 3 | 2 • Shotguns, Aggressive Frame Fusion Rifle: 3|1

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.

Rolling Storm

Weapon Kills grant 1 Stack of Bolt Charge. While Amplified, this is increased to 2 Stacks.

Adrenaline Junkie

Weapon Kills grant 1 Stack of Adrenaline Junkie for 4.5 seconds. Grenade Kills grant all 5 Stacks instantly even if the weapon is stowed. Adrenaline Junkie benefits: • 20 Handling • 6.7%|13.3%|20%|26.6%|33.3% increased damage at 1|2|3|4|5 Stacks

Vanguard Determination

Scoring a Weapon Kill within 20 seconds of using you Class Ability grants a stack of 'Vanguard's Determination' for 10 seconds. Maximum of 3 stacks. 'Vanguard's Determination' grants 2%|4%|6% Damage Resist at 1|2|3 stacks. Stacks are shared across different weapons with the Vanguard's Determination origin trait.

Psi Aeterna IV in Destiny 2

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