Harlowe
Updated: Sep 10, 2025
Coronal Mass Ejection

Harlowe Skill
Coronal Mass Ejection

  • Game
    Borderlands 4
  • Class
    Harlowe
    Harlowe
  • Skill Tree
    Cosmic Brilliance
  • Skill Type
    Augment
  • Skill Tier
    5
  • Max Points
    1
    1 ➜ 1
  • Armor Boost

Coronal Mass EjectionSkill Info

Coronal Mass Ejection

Coronal Mass Ejection

Tier: 5
Max Points: 1

Enemies inside Harlowe's Flux Generator lose all Elemental Resistances.
Harlowe and her allies inside her Flux Generator gain increased Status Effect Chance.

Status Effect Chance: +100%

Skill descriptions were adjusted to reflect their real effect.
Augment

Coronal Mass Ejection - Advanced Details

Coronal Mass EjectionBoosting Class Mods

No Class Mod adds points to Coronal Mass Ejection.

Harlowe's other Augments

Coronal Mass Ejection

Coronal Mass Ejection

Tier: 5
Max Points: 1

Augment

Enemies inside Harlowe's Flux Generator lose all Elemental Resistances.
Harlowe and her allies inside her Flux Generator gain increased Status Effect Chance.

Status Effect Chance: +100%

Blue Giant

Blue Giant

Tier: 5
Max Points: 1

Augment

Harlowe's Flux Generator gains increased Radius.
Additionally, whenever she retrieves Flux Generator, she creates a Cryo Hazard where her Flux Generator was located, and a Radiation Hazard wherever she next places her Flux Generator.
Only one of each of these Hazards may be active at a time.

Terminal Radius: +50%
Hazard Damage/s: 803
Hazard Duration: 5s

Peer Review

Peer Review

Tier: 5
Max Points: 1

Augment

Whenever an enemy enters Stasis, spawn a homing Rejuvenating Projectile that targets Harlowe or her Allies once the enemy is Slammed, killed, or Stasis ends.
The Rejuvenating Projectile grants decreased Action Skill Duration Rate and increased Action Skill Cooldown Rate for a Duration.
If the target is in Fight for Your Life, they immediately gain Second Wind as if they killed an enemy.

Action Skill Cooldown Rate: +50%
Action Skill Duration Rate: -50%
Duration: 12s

Strange Attractor

Strange Attractor

Tier: 5
Max Points: 1

Augment

Whenever Harlowe shoots an enemy with a Gun, bullets Ricochet off of that enemy onto all enemies in Stasis.
If Harlowe Critically Hits an enemy, that enemy becomes Entangled.

Voidstar

Voidstar

Tier: 5
Max Points: 1

Augment

Whenever Harlowe's Unstable Energy Pocket passes by an enemy, it loses a portion of its current Total Health and becomes Frozen.

Health Loss: 30%
Max-Health Drain: 13,384

Neutron Capture

Neutron Capture

Tier: 5
Max Points: 1

Augment

All Damage Harlowe's Unstable Energy Pocket deals to enemies is stored.
Whenever it explodes, a portion of that Stored Damage is transferred to Harlowe's Gun, causing her to deal Bonus Radiation Damage.

Damage Transfer: 4% of Action Skill Damage Dealt
Duration: 8s

Unified Theory

Unified Theory

Tier: 15
Max Points: 1

Augment

Harlowe's Flux Generator gains increased Action Skill Damage.
This effect is increased based on how many Allies and Enemies are inside of her Flux Generator.

Action Skill Damage: +10% per Ally and Enemy in Radius

Nuclear Winter

Nuclear Winter

Tier: 15
Max Points: 1

Augment

Whenever Harlowe and her allies are inside the Flux Generator's Radius, they deal Bonus Cryo Damage.
Whenever Harlowe and her allies leave the Flux Generator's Radius, they instead deal Bonus Radiation Damage for a Duration.
Whenever Harlowe inflicts Cryo or Radiation Status Effects, that enemy becomes Entangled.

Bonus Cryo Damage: 25% of Damage Dealt
Bonus Radiation Damage: 25% of Damage Dealt
Bonus Damage Duration: 12s

Perpetual Engine

Perpetual Engine

Tier: 15
Max Points: 1

Augment

When Harlowe activates her Flux Generator, she gains Damage Reduction and increased Action Skill Duration for each Entangled enemy and each additional enemy she Entangles while her Action Skill is active.

Damage Reduction: +7% per Entangled enemy
Action Skill Duration: +7% per Entangled enemy

Wildcat Destabilization

Wildcat Destabilization

Tier: 15
Max Points: 1

Augment

Entangled enemies take Bonus Radiation Damage from Entangle.
Whenever Harlowe deals Radiation Gun Damage to an enemy, restore Action Skill Duration.
Whenever Harlowe kills an enemy in Stasis, create a Radiation Nova.
This Radiation Nova deals Damage based on remaining Action Skill Duration.

Bonus Radiation Damage: 25% of Damage Dealt
Duration Restored: 1% of Duration
Radiation Nova Damage: 4,461

Cold Storage

Cold Storage

Tier: 15
Max Points: 1

Augment

All Damage Dealt to enemies in Stasis is stored. Whenever an enemy is Slammed or Stasis ends, create a Cryo Explosion based on all Stored Damage and centered on that enemy, and also automatically Freeze other enemies nearby.

Maximum Stored Damage: 26,769

Inertia

Inertia

Tier: 15
Max Points: 1

Augment

Whenever an enemy Harlowe has in Stasis dies, a new enemy is automatically added to Stasis.
When this happens, Harlowe's Action Skill Duration resets, however it drains quicker.

Stasis Duration Rate: +20% per additional enemy

Field Research

Field Research

Tier: 15
Max Points: 1

Augment

Whenever Harlowe kills an enemy with her Unstable Energy Pocket and when she kills an Entangled enemy while her Unstable Energy Pocket is active, refund a portion of her next Action Skill Cooldown.

Action Skill Cooldown Refund: 15% /kill

Special Purpose Magnets

Special Purpose Magnets

Tier: 15
Max Points: 1

Augment

Harlowe's Unstable Energy Pocket pulls enemies along as it passes by, and its detonation deals increased Damage for every enemy it has already hit.

Damage: 11% per enemy hit

Containment Breach

Containment Breach

Tier: 15
Max Points: 1

Augment

Whenever Harlowe's Unstable Energy Pocket detonates, it Splits into several smaller, fast moving Unstable Energy Pockets.

Damage: 2,945
Extra Projectiles: 5

Coronal Mass EjectionAlternative passive skills

Unified Theory

Unified Theory

Tier: 15
Max Points: 1

Augment

Harlowe's Flux Generator gains increased Action Skill Damage.
This effect is increased based on how many Allies and Enemies are inside of her Flux Generator.

Action Skill Damage: +10% per Ally and Enemy in Radius

Nuclear Winter

Nuclear Winter

Tier: 15
Max Points: 1

Augment

Whenever Harlowe and her allies are inside the Flux Generator's Radius, they deal Bonus Cryo Damage.
Whenever Harlowe and her allies leave the Flux Generator's Radius, they instead deal Bonus Radiation Damage for a Duration.
Whenever Harlowe inflicts Cryo or Radiation Status Effects, that enemy becomes Entangled.

Bonus Cryo Damage: 25% of Damage Dealt
Bonus Radiation Damage: 25% of Damage Dealt
Bonus Damage Duration: 12s

Perpetual Engine

Perpetual Engine

Tier: 15
Max Points: 1

Augment

When Harlowe activates her Flux Generator, she gains Damage Reduction and increased Action Skill Duration for each Entangled enemy and each additional enemy she Entangles while her Action Skill is active.

Damage Reduction: +7% per Entangled enemy
Action Skill Duration: +7% per Entangled enemy

Coronal Mass Ejection

Coronal Mass Ejection

Tier: 5
Max Points: 1

Augment

Enemies inside Harlowe's Flux Generator lose all Elemental Resistances.
Harlowe and her allies inside her Flux Generator gain increased Status Effect Chance.

Status Effect Chance: +100%

Blue Giant

Blue Giant

Tier: 5
Max Points: 1

Augment

Harlowe's Flux Generator gains increased Radius.
Additionally, whenever she retrieves Flux Generator, she creates a Cryo Hazard where her Flux Generator was located, and a Radiation Hazard wherever she next places her Flux Generator.
Only one of each of these Hazards may be active at a time.

Terminal Radius: +50%
Hazard Damage/s: 803
Hazard Duration: 5s