Oxidation
Updated: Aug 04, 2026
Borderlands 4

Borderlands 4Oxidation

Rage against the dying light.
  • Content
    Murders & Acquisitions
  • Repkit Type
  • Rarity
    Legendary
  • Manufacturer
    Vladof
  • Elements

OxidationAll Details

Oxidation (Repkit-BL4)
Copy Oxidation Code

Oxidation - About

The Legendary Repkit Oxidation is manufactured by Vladof and comes from the Borderlands 4 Murders & Acquisitions Bounty Pack.

Oxidation - Unique Ability

Reloads a percentage of ammo equal to the percentage of health healed on use.

Oxidation - Abilities

Like most Legendary Artifacts the Oxidation 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

Oxidation - 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 Oxidation can't spawn with Everlasting.
Passive Augments are always active and grant no effect on use.

  • Repkit Cooling -33% Cooldown

Oxidation - Stats

The Oxidation 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 Oxidation 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

Oxidation - Changelog

OxidationHow to get it?

Murders & Acquisitions Bounty Pack
General Farming Guidance

To collect and equip the Legendary Oxidation, you need to own the BL4 Murders & Acquisitions Bounty Pack.

Murders & Acquisitions items in Borderlands 4 can only come from dedicated source. 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.

OxidationDrop Rates

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

OxidationAll Sources

BETAMAXXX
boss

BETAMAXXX

Boss
The Toxic Scowl

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