Thermal Erosion

Thermal Erosion — Destiny 2 Legendary Machine Gun
Legendary Machine Gun · Solar · Heavy
Where it drops: Source: Fallen Empire Campaign

“"Europa has relit the fire in my soul; one that even its freezing winds cannot chill." —Clovis Bray”

★ See the community god roll for Thermal Erosion →

Weapon stats

Stability 31
Handling 48
Range 26
Aim Assistance 66
Ammo Generation 32
Airborne Effectiveness 6
Recoil Direction 50
Zoom 16
Magazine 58
Impact 25
Reload Speed 61
Rounds Per Minute 900

Intrinsic Traits

Rapid-Fire Frame

Weapon Perks

Arrowhead Brake Chambered Compensator Corkscrew Rifling Extended Barrel Fluted Barrel Full Bore Hammer-Forged Rifling Polygonal Rifling Smallbore Arrowhead Brake Chambered Compensator Corkscrew Rifling Extended Barrel Fluted Barrel Full Bore Hammer-Forged Rifling Polygonal Rifling Smallbore Full Choke Rifled Barrel Full Choke Rifled Barrel
Extended Mag Alloy Magazine Appended Mag Armor-Piercing Rounds High-Caliber Rounds Ricochet Rounds Flared Magwell Light Mag Extended Mag Alloy Magazine Appended Mag Armor-Piercing Rounds High-Caliber Rounds Ricochet Rounds Flared Magwell Light Mag Accurized Rounds Tactical Mag Drop Mag Steady Rounds Accurized Rounds Tactical Mag Drop Mag Steady Rounds
Killing Wind Quickdraw Zen Moment Pulse Monitor Hip-Fire Grip Field Prep
Dragonfly Dynamic Sway Reduction Wellspring Snapshot Sights Demolitionist Tap the Trigger

What the Thermal Erosion perks do

Rapid-Fire Frame

Deeper ammo reserves. Slightly faster reload when magazine is empty.

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

Full Choke

While Aiming Down Sights: • Decreases Shotgun Pellet Spread by 5% • Reduces Precision Multiplier by 7.6% (1.1078x🠚1.0294x)

Rifled Barrel

Ranged shotgun barrel. • Increases range • Greatly decreases handling speed

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.

Appended Mag

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

Armor-Piercing Rounds

Grants 5% increased damage against Elemental and Barrier Champion Shields. Allows bullets to overpenetrate enemies once.

High-Caliber Rounds

Hits inflict increased Flinch on Enemies. PVE: Tier 1-2 Minors can be repeatedly staggered. Higher Tier Combatants stagger quicker. PVP: Flinch against Players varies based on damage and Weapon Archetype. Flinch increase ranges between 5-10%.

Ricochet Rounds

Rounds ricochet off hard surfaces. • Increases stability • Slightly increases range

Flared Magwell

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

Light Mag

Improved reload and range. • Increases reload speed • Slightly increases range

Accurized Rounds

This weapon can fire longer distances. • Increases range

Tactical Mag

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

Drop Mag

Passively grants 30 Reload Speed with a 0.9x Reload Duration Multiplier. Decreases Magazine Size Stat by 30. (Equivalent to the "inverse" of Extended Mag)

Steady Rounds

This magazine is optimized for recoil control. • Greatly increases stability • Slightly decreases range • Increases airborne effectiveness

Killing Wind

On Weapon Kill, for 5 seconds: • 50 Mobility • 40 Handling and 20 Range • 5% increased Damage Falloff Distance Additional Kills extend the duration by 5 seconds, up to 8 seconds. Buff is removed on stow.

Quickdraw

Switching to the Weapon grants 100 Ready/Stow Handling and a 0.95x Ready Animation Duration Multiplier for 1 second. Buff is removed as soon as ADS input is pressed.

Zen Moment

Weapon Hits grant 1 Stack of the perk for 1 second up to the maximum of 5? Stacks. Benefits granted per Stack: • Grants ?% Flinch Resistance • Reduces Visual Weapon Shake by 15% • Reduces Reticle Bounce by 15% Stacks gained per Weapon Hit by weapon type: • Hand Cannons, Scout Rifles: 2? • Pulse Rifles, Sidearms: 1.5 • Other Weapons: 1

Pulse Monitor

Refills Magazine from reserves upon dropping to 30% Shield Health. Can activate while stowed. Grants 50 Handling and a 0.95x Ready/Stow Animation Duration Multiplier while at or below 30% Shield Health. Buff lingers for 1 second once the condition is no longer met.

Hip-Fire Grip

Grants the following benefits while hipfiring: • 25 Stability and 15 Aim Assist • 2.7° larger Precision Aim Cone Angle • 30% decreased Accuracy Cone Size • 20% increased Aim Assist Falloff Distance • 20% increased Damage Falloff Distance The Damage Falloff increase does not apply to The Last Word, Shotguns, Sniper Rifles, and Fusion Rifles. PvP-specific note: the Precision Aim Cone Angle increase essentially just allows you to hit Crits while aimed above or slightly to the side of the head. (This is already the default behavior of Submachine Guns, Sidearms, Bows, Machine Guns, and Linear Fusion Rifles so it does not affect them)

Field Prep

Grants the following while Crouched: • 50 Reload Speed • 0.8x Reload Duration Multiplier • 0.8x Ready/Stow Duration Multiplier Passively grants 20 Ammo Generation stat. (50% more than 1 Ammo Generation armor mod)

Dragonfly

Precision Kills cause targets to explode, dealing up to 123.89 [95.3] weapon-matching elemental damage in a 4.5-meter radius.

Dynamic Sway Reduction

Each shot while holding down the trigger grants the following benefits: • 1 Stability • ?% decreased Accuracy Cone Size • 10% decreased Accuracy Cone Growth Reaches maximum strength after 10 shots, granting 10 Stability, ?% decreased Accuracy Cone Size, and 100% decreased Accuracy Cone Growth.

Wellspring

On Weapon Kill: Grants 8% Ability Energy split equally amongst all uncharged abilities. Abilities with multiple charges only receive one third of the ability energy normally split to them once they have a full ability charge ready. Ability energy gained may be significantly decreased based on your selected ability's Chunk Energy Scalar. Learn more about this mechanic in our explainer blog post on the Clarity website.

Snapshot Sights

Passively decreases the ADS Animation Duration: • 50% decrease on Primary Weapons • 20% decrease on Special Weapons

Demolitionist

Weapon Kills grant 10% Grenade Ability Energy. Kills with Sniper Rifles, Shotguns, Glaives, and Fusion Rifles grant 20%. Using your Grenade Ability refills the Magazine with a 3 second cooldown. Ability energy gained may be significantly decreased based on your selected ability's Chunk Energy Scalar. Learn more about this mechanic in our explainer blog post on the Clarity website.

Tap the Trigger

Firing grants 'Tap The Trigger' for 0.6 seconds, providing the following benefits: • 40 Stability • 50% decreased Recoil • 10% decreased Accuracy Cone Size Fusion Rifles only receive 25% of the benefits. Buff cannot be refreshed until Automatic Weapons stop firing, or until the next burst. [Controller-Only] Weapon fires the instant trigger pressure is applied.

Thermal Erosion in Destiny 2

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