Insidious - Legendary Pulse Rifle

Insidious is a Pulse Rifle Arc Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Pulse Rifle - Arc - Primary - Aggressive Burst

Source: "Vow of the Disciple" Raid

Shape: Deception

Hard-hitting four-burst fire.

Arrowhead Brake
Lightly vented barrel.
• Greatly controls recoil
• Increases handling speed
Chambered Compensator
Stable barrel attachment.
• Increases stability
• Moderately controls recoil
• Slightly decreases handling speed
Corkscrew Rifling
Balanced barrel.
• Slightly increases range and stability
• Slightly increases handling speed
Extended Barrel
Weighty barrel extension.
• Increases range
• Decreases handling speed
• Moderately controls recoil
Fluted Barrel
Ultra-light barrel.
• Greatly increases handling speed
• Slightly increases stability
Full Bore
Barrel optimized for distance.
• Greatly increases range
• Decreases stability
• Slightly decreases handling speed
Hammer-Forged Rifling
Durable ranged barrel.
• Increases range
Polygonal Rifling
Barrel optimized for recoil reduction.
• Increases stability
Smallbore
Dual strength barrel.
• Increases range
• Increases stability

Accurized Rounds
This weapon can fire longer distances.
• Increases range
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
Steady Rounds
This magazine is optimized for recoil control.
• Greatly increases stability
• Slightly decreases range
• Increases airborne effectiveness
Alloy Magazine
Faster reload when the magazine is nearly empty.
Flared Magwell
Optimized for fast reloading.
• Slightly increases stability
• Greatly increases reload speed

Compulsive Reloader
Grants increased reload speed when close to full magazine.
Dragonfly
Precision kills create an elemental damage explosion.
Stats for All
Hitting three separate targets increases weapon handling, stability, reload, and range for a moderate duration.
Sleight of Hand
Final blows with weapons or abilities while this weapon is stowed increase its handling, stability, and reload speed for a short duration.
Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.
Rapid Hit
Rapid precision hits temporarily increase stability and reload speed.
Heating Up
Final blows with this weapon increase accuracy and stability while improving vertical recoil.
Rolling Storm
Final blows grant Bolt Charge.
While amplified, final blows grant additional Bolt Charge.
Frenzy
Being in combat for an extended time increases damage, handling, and reload for this weapon until you are out of combat.

Adaptive Munitions
This weapon adapts its damage output and effectiveness against energy shields that don't match the weapon's damage type.
One for All
Hitting three separate targets increases damage for a moderate duration.
Bait and Switch
Deal damage with all equipped weapons within a short time to give this weapon a damage boost.
Turnabout
Using this weapon to break the shield of a combatant or a Guardian using their Super will grant you an overshield.
Vorpal Weapon
Increased damage against bosses, vehicles, and Guardians with their Super active.
Adrenaline Junkie
This weapon gains increased damage and handling from final blows with grenades or this weapon.
Rampage
Kills with this weapon temporarily grant increased damage. Stacks 3x.
Voltshot
Reloading this weapon after defeating a target overcharges this weapon for a short period of time, causing it to jolt on its next hit.
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.