Adrenaline Pump
Updated: Oct 06, 2026
Borderlands 4

Borderlands 4Adrenaline Pump

I'm curious about that myself.
  • Content
    Base Game
  • Repkit Type
  • Rarity
    Legendary
  • Manufacturer
    Vladof

Adrenaline PumpAll Details

Adrenaline Pump (Repkit-BL4)
Copy Adrenaline Pump Code

Adrenaline Pump - About

The Legendary Repkit Adrenaline Pump is manufactured by Vladof and comes from the Borderlands 4 Base Game.

Adrenaline Pump - Unique Ability

When gaining a Second Wind, the Adrenaline Pump quickly restores your Health to 100%.
This unique ability Blood Rush triggers even if the Adrenaline Pump is on cooldown. Blood Rush does not activate when revived by someone else.

Adrenaline Pump - Abilities

Like most Legendary Artifacts the Adrenaline Pump has 1 of 21 Abilities from these 4 Categories.
Artifacts can't be anointed or have a Mayhem Level.

Utility Abilities

  • Last Stand
    5s Invulnerability when Health drops below 50%.
    Cooldown: 40s
  • Elemental Projector
    +129% [Element] Dmg for elemental status effects applied to you.
  • Flesh Melter
    On kill, stacks a buff up to 5 times and each lasts 12.5s.
    Each stack: +32% Corrosive Dmg
  • Atom Balm
    +50% Radiation Aura Dmg
    +25% Radiation Burst Dmg
    +25% Radiation Burst Radius
  • Loot Expanding
    +137% Cash Pickups
    +40% Ammo Pickups
    +65% Health Pickups
  • Ice Breaker
    +50% Dmg to Frozen Enemies
    +61% Cryo Efficiency

Melee/Slide/Slam Abilities

  • Berzerker
    Dealing Melee, Slide or Slam Damage grants you
    +13% Fire Rate and +20% Sprint Speed for 10s.
  • Cutpurse
    Dealing Melee, Slide or Slam Damage
    restores 13% Ammo for you and allies.
  • [Element] Stone
    Melee, Slide, and Slam Damage deals
    +80% Bonus [Element] Damage
  • Knife Drain
    +75% Melee/Slide/Slam Lifesteal

Slide Abilities

  • Cauterizing
    Slide: +95% Incendiary Dmg
    Incendiary puddle on slide impact.
    Cooldown: 10s
  • Electric Slide
    Slide: +95% Shock Dmg
    While sliding shock beams chain up to 7 nearby enemies.
  • Caustic Coast
    Slide: +50% Corrosive Dmg
    While sliding shoots 10 corrosive Shards/s.
  • Snowdrift
    Slide: +95% Cryo Dmg & +158% Speed
    Slide launches Cryo Snowball.
    Cooldown: 5s
  • Radiodead
    Slide: +95% Radiation Dmg
    Radiation puddle on slide impact.
    Puddle duration: 5s

Slam Abilities

  • Hot Drop
    Slam: +125% Incendiary Dmg & +50% Radius
    On impact: Launches 5 fireballs that leave magma puddles.
  • Spark Plug
    Slam: +125% Shock Dmg & +50% Radius
    On impact:
    Spawns tesla-coil that deals Shock Slide-Dmg to nearby enemies for 8s.
  • Toxic Revenger
    Slam: +125% Corrosive Dmg & +50% Radius
    On impact: spawns Corrosive puddle for 5s.
  • Ice Spiker
    Slam: +125% Cryo Dmg & +50% Radius
    On impact: Launches 3 Cryo Spikes that pierce enemies.
    Cryo Spikes deal Amara's Action Skill Damage.
  • Mind Melt
    Slam: +125% Radiation Dmg & +50% Radius
    On impact: Creates Radiation Aura around player for 8s.
  • Rear Ender
    +110% Slam Dmg
    +50% Slam Radius
    +75% Slam Knockback

Adrenaline Pump - Augments

Repkit Augments grant a temporary effect on use.
All Augments are equally common, giving each Augment a 4.35% Chance (1 in 23) to appear. [Element] Augments are also 1 in 23, then have a 20% Chance (1 in 5) for a specific Element.

Damage Augments

  • Amp Your next shot deals +200% Damage.
  • Elemental Affinity +25% Elemental Damage for 8s.
  • Enrage +30% Damage dealt and +15% Damage taken for 8s.
  • Fire Rate +15% Fire Rate for 8s.
  • Hard Hitter +50% Melee Damage for 8s.
  • Splash Damage +25% Splash Damage for 8s.

Damage Ability Augments

  • Nova Release an [Element] Nova.
  • Splat Spawn an [Element] Splat.

Repkit Ability Augments

  • Health Burst After 8s, grants an extra heal equal to 50% of the initial Heal.
  • Medic Heals nearby allies for 50% of the Repkit's Healing.
  • Overshield Replaces Healing with an Overshield equal to the Heal.
  • Power Cycle Initiates Energy Shield recharge.

Survivability Augments

  • Elemental Immunity [Element] Immunity for 3s.
  • Elemental Resistance +50% [Element] Resistance for 8s.
  • Leech +30% Lifesteal for 8s.
  • Overdose +45% Healing received for 8s.
  • Tank -50% Damage Taken for 8s.

Utility Augments

  • Accelerator +100% Action Skill Cooldown Rate for 8s.
  • Go Go Gadget +50% Ordnance Cooldown Rate for 8s.
  • Reload Speed +25% Reload Speed for 8s.
  • Speed +40% Move Speed for 8s.

Passive Augments

Passive Augments are always active and grant no effect on use.

  • Everlasting +20% Healing and +20% Duration
  • Repkit Cooling -33% Cooldown

Repkit Augments grant a temporary effect on use.
All Augments are equally common, giving each Augment a 4.55% Chance (1 in 22) to appear. [Element] Augments are also 1 in 22, then have a 20% Chance (1 in 5) for a specific Element.

Damage Augments

  • Amp Your next shot deals +200% Damage.
  • Elemental Affinity +25% Elemental Damage for 8s.
  • Enrage +30% Damage dealt and +15% Damage taken for 8s.
  • Fire Rate +15% Fire Rate for 8s.
  • Hard Hitter +50% Melee Damage for 8s.
  • Splash Damage +25% Splash Damage for 8s.

Damage Ability Augments

  • Nova Release an [Element] Nova.
  • Splat Spawn an [Element] Splat.

Repkit Ability Augments

  • Health Burst After 8s, grants an extra heal equal to 50% of the initial Heal.
  • Medic Heals nearby allies for 50% of the Repkit's Healing.
  • Overshield Replaces Healing with an Overshield equal to the Heal.
  • Power Cycle Initiates Energy Shield recharge.

Survivability Augments

  • Elemental Immunity [Element] Immunity for 3s.
  • Elemental Resistance +50% [Element] Resistance for 8s.
  • Leech +30% Lifesteal for 8s.
  • Overdose +45% Healing received for 8s.
  • Tank -50% Damage Taken for 8s.

Utility Augments

  • Accelerator +100% Action Skill Cooldown Rate for 8s.
  • Go Go Gadget +50% Ordnance Cooldown Rate for 8s.
  • Reload Speed +25% Reload Speed for 8s.
  • Speed +40% Move Speed for 8s.

Passive Augments

The Adrenaline Pump can't spawn with Everlasting.
Passive Augments are always active and grant no effect on use.

  • Repkit Cooling -33% Cooldown

Adrenaline Pump - Stats

The Adrenaline Pump has 3 of 22 Stats from these 3 Categories:

Repkit Augments grant a temporary effect on use.
All Augments are equally common, giving each Augment a 4.55% Chance (1 in 22) to appear. [Element] Augments are also 1 in 22, then have a 20% Chance (1 in 5) for a specific Element.

Damage Augments

  • Amp Your next shot deals +200% Damage.
  • Elemental Affinity +25% Elemental Damage for 8s.
  • Enrage +30% Damage dealt and +15% Damage taken for 8s.
  • Fire Rate +15% Fire Rate for 8s.
  • Hard Hitter +50% Melee Damage for 8s.
  • Splash Damage +25% Splash Damage for 8s.

Damage Ability Augments

  • Nova Release an [Element] Nova.
  • Splat Spawn an [Element] Splat.

Repkit Ability Augments

  • Health Burst After 8s, grants an extra heal equal to 50% of the initial Heal.
  • Medic Heals nearby allies for 50% of the Repkit's Healing.
  • Overshield Replaces Healing with an Overshield equal to the Heal.
  • Power Cycle Initiates Energy Shield recharge.

Survivability Augments

  • Elemental Immunity [Element] Immunity for 3s.
  • Elemental Resistance +50% [Element] Resistance for 8s.
  • Leech +30% Lifesteal for 8s.
  • Overdose +45% Healing received for 8s.
  • Tank -50% Damage Taken for 8s.

Utility Augments

  • Accelerator +100% Action Skill Cooldown Rate for 8s.
  • Go Go Gadget +50% Ordnance Cooldown Rate for 8s.
  • Reload Speed +25% Reload Speed for 8s.
  • Speed +40% Move Speed for 8s.

Passive Augments

The Adrenaline Pump can't spawn with Everlasting.
Passive Augments are always active and grant no effect on use.

  • Repkit Cooling -33% Cooldown

Repkit Augments grant a temporary effect on use.
All Augments are equally common, giving each Augment a 4.35% Chance (1 in 23) to appear. [Element] Augments are also 1 in 23, then have a 20% Chance (1 in 5) for a specific Element.

Damage Augments

  • Amp Your next shot deals +200% Damage.
  • Elemental Affinity +25% Elemental Damage for 8s.
  • Enrage +30% Damage dealt and +15% Damage taken for 8s.
  • Fire Rate +15% Fire Rate for 8s.
  • Hard Hitter +50% Melee Damage for 8s.
  • Splash Damage +25% Splash Damage for 8s.

Damage Ability Augments

  • Nova Release an [Element] Nova.
  • Splat Spawn an [Element] Splat.

Repkit Ability Augments

  • Health Burst After 8s, grants an extra heal equal to 50% of the initial Heal.
  • Medic Heals nearby allies for 50% of the Repkit's Healing.
  • Overshield Replaces Healing with an Overshield equal to the Heal.
  • Power Cycle Initiates Energy Shield recharge.

Survivability Augments

  • Elemental Immunity [Element] Immunity for 3s.
  • Elemental Resistance +50% [Element] Resistance for 8s.
  • Leech +30% Lifesteal for 8s.
  • Overdose +45% Healing received for 8s.
  • Tank -50% Damage Taken for 8s.

Utility Augments

  • Accelerator +100% Action Skill Cooldown Rate for 8s.
  • Go Go Gadget +50% Ordnance Cooldown Rate for 8s.
  • Reload Speed +25% Reload Speed for 8s.
  • Speed +40% Move Speed for 8s.

Passive Augments

Passive Augments are always active and grant no effect on use.

  • Everlasting +20% Healing and +20% Duration
  • Repkit Cooling -33% Cooldown

Adrenaline Pump - Changelog

Update: Dec. 11, 2025

  • Updated Harlowe’s Potential Transference Capstone to allow the Adrenaline Pump Repkit to trigger as intended when Second Wind is earned in multiplayer sessions.

Update: Oct. 23, 2025

  • Health restoration from Legendary Repkit Adrenaline Pump now works correctly when combined with Legendary Shield Guardian Angel.

Adrenaline PumpHow to get it?

Base Game
General Farming Guidance

To collect and equip the Legendary Adrenaline Pump, you need to own the BL4 Base Game.

Base Game Items in Borderlands 4 are often obtainable from many sources, including those in DLCs. Here’s your quick start guide:

Farming Preparations

  1. Identify the Best Source: The Sources below are generally ranked from best to worst. Make sure to complete any required quests and be aware of Source Restrictions.
  2. Locate the Source: Make sure you have unlocked the Location.
  3. Equip Your Character: Equip your character to easily overcome enemies.
  4. Set Spawn Point: Locate the nearest Save Station to use as your spawn point.

Bonus Tips

  • Combine Runs: Get more loot per run by integrating nearby sources into your farming route.
  • Track Progress: Track your runs to more precisely predict drops and more clearly monitor progress. Additionally, time your runs to see how tweaks affect your farming efficiency.
  • Speed it up: Explore shortcuts and boost your movement speed to minimize travel time. Also, aim to shorten your time to kill with higher DPS or big damage bursts.
  • Realistic Expectations: Be patient and persistent when farming. Despite precise, verified drop rates, your actual runs might exceed or fall short of inferred expectations.

Adrenaline PumpDrop Rates

  • Radix
    9%
Bonus Chance: +2% × UVH
Big Encore: 30%

Adrenaline PumpAll Sources

Primordial Guardian Radix

Primordial Guardian Radix

Boss
Boss
Vault of Radix
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Repkit Pool

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