Thermal Erosion

Thermal Erosion — Destiny 2 Legendary Machine Gun
Legendary Machine Gun · Solar · Heavy
Where it drops: Random Perks: This item cannot be reacquired from Collections.

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

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
Incandescent Feeding Frenzy Rewind Rounds Light Touch Triple Tap Demolitionist Killing Wind Incandescent Feeding Frenzy Rewind Rounds Light Touch Triple Tap Demolitionist Killing Wind
Burning Ambition Mega Kill Clip Desperate Measures One for All Meganeura Adagio Bait and Switch Burning Ambition Mega Kill Clip Desperate Measures One for All Meganeura Adagio Bait and Switch
Winterized Gear

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

Incandescent

Weapon Kills trigger a Solar explosion that applies 30 Scorch Stacks (40 with Ember of Ashes) and deals up to 30 damage to enemies within 4 meters of the target. Killing Elite or higher tier Combatants and Players increases the radius to 8 meters and applies 10 more Scorch Stacks. Scorch damage can be increased through Weapon Damage Buffs.

Feeding Frenzy

Weapon Kills grant 1 Stack of Feeding Frenzy for 3.5 seconds, increasing the Reload Speed of the weapon. Maximum of 5 Stacks. Bonuses at 1|2|3|4|5 Stacks: • 8|50|60|75|100 Reload Speed • 2.5%|10%|13%|16%|20% decreased Reload Animation Duration

Rewind Rounds

Upon emptying the Magazine: Refills 60% of the number of Hits landed (rounded up) into the Magazine from reserves. Hits are counted from either your last reload or the last time the perk was triggered. Does not require Direct Hits. Requires firing 28.75% of the Magazine Capacity for the refill to activate. Cannot load the Magazine beyond its base capacity. Hits after triggering a refill do not count while the Rewind Rounds buff is active (1? second). Adaptive Burst Linear Fusion Rifle behavior: • Each individual bolt in the burst counts as a Hit • Refill amount is uniquely 14% of the number of Hits rounded up (numbers are subject to change once we get more data points)

Light Touch

While Amplified, Radiant, or Devour is active: • ? Handling • ? Reload Speed • ?% decreased Reload Animation Duration • ?% decreased ADS Animation Duration

Triple Tap

Scoring 3 Precision Hits within 2 seconds of each refills 1 Ammo into the Magazine from thin air. Cannot load the Magazine beyond its base capacity. Precision Hit counter persists through stow.

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.

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.

Burning Ambition

Direct Hits against Scorched Enemies apply additional Scorch on a 0.5 second cooldown: • Primary Weapons apply 10 [4] additional Scorch per Direct Hit (15 [9?] with Ember of Ashes) • Special and Power Weapons apply 20 additional Scorch (30 with Ember of Ashes) Scoring multiple Direct Hits within 3? seconds of each causes the next Direct Hit to Scorch the target. Hit counter persists through stow. Number of Direct Hits required by weapon type: • Bows: 2 • Swords: 3 • Other Weapons: 55% of the base magazine size Scorch applied by Burning Ambition to Unscorched targets counts as Weapon Damage. Ember of Ashes increases the amount of Scorch applied by 50%.

Mega Kill Clip

Finishing a reload within ? seconds of a Weapon Kill grants 40% increased damage for a duration based on the number of kills achieved before reloading. Maximum of 20 seconds. Base duration is 3 + 2 additional seconds for each kill scored before reloading (One kill is 5 seconds, two kills is 7 seconds...) Additional kill-reloads will additively stack on top of the currently active timer, extending its duration up to the maximum.

Desperate Measures

Weapon Kills grant 'Desperate Measures x1' (DMx1), increasing damage by 10% for 7 seconds. Grenade or Melee Kills grant 20% increased damage for 7 seconds (DMx2). Scoring another Grenade or Melee Kill with DMx2 active increases this to 30% (DMx3). Can be activated while stowed. Weapon, Grenade, and Melee Kills refresh the buff duration.

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.

Meganeura

Precision Hits grant one stack of Meganeura for 3.5 seconds. Maximum of 3 stacks. Precision Kills cause targets to explode, dealing 123.89 [95.3] | 173.6 [?] | 207.57 [?] weapon-matching elemental damage in a 7.5-meter radius at 1|2|3| stacks. Explosion has up to 50% damage falloff at the furthest point.

Adagio

Weapon Kills grant the following for 7 seconds: • 10 Range • 30% increased damage • 20% longer Firing Delay/Charge Time/Draw Time Hand Cannons only recieve a 27% damage increase. Buff is removed on stow.

Bait and Switch

Dealing damage with a weapon starts a 7 second timer. Dealing additional weapon damage resets the timer to 7 seconds. Dealing damage with all 3 of your weapons without letting the timer run out grants you 'Bait and Switch' for 10 seconds, granting 30% increased damage. Timer is disabled while Bait and Switch is active, requiring a full activation sequence once the buff expires.

Winterized Gear

Passively grants 'Winterized Gear Ready'. Taking or dealing damage grants 'Winterized Gear x3', with each stack being removed after 5 seconds. Benefits at Winterized Gear x3|2|1: • ?|?|? Stability • ?|?|? Handling • ?|?|? Reload Speed Incurs a 12 second cooldown before Winterized Gear is ready again.

Thermal Erosion in Destiny 2

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