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Borderlands 4, Repkits are a crucial new addition to your Vault Hunter's arsenal. They are on-demand healing items that can be equipped in their own slot, with each legendary variant offering a unique passive or active effect that can dramatically change your build.This guide provides a comprehensive breakdown of eight of the game's Legendary Repkits, including their unique effects, drop locations, and how they can be used to dominate the battlefield.
Borderlands 4: Best Legendary Repkits
1. Pacemaker
- How to Get: Farmed from Horace, located at Horace's Oversight in Hungering Plain, Fadefields. Available after the Main Mission "Down and Outbound."
- Effect: Pulsometer - Passively regenerates Health over time, with the rate increasing as your Health gets lower.
The Pacemaker provides a constant, slow stream of healing. While the increased regeneration at low health can seem appealing, the healing is often too slow to save you from large bursts of damage, making it a less effective choice for high-difficulty content.
2. Defibrillator
- How to Get: Farmed from the Core Observer, located at the "Blacklime Bunker" in The Howl, Fadefields.
- Effect: Cardiac Shock - When Health drops below 20%, there is a 50% chance to replenish a Repkit Charge.
This Repkit is a high-risk, high-reward option. Its effect can save you from a "Fight For Your Life" situation, but since it only procs when yourhealth is critically low, it may be too late to make a difference.Still, the chance to get an extra heal when you need it most is apowerful tool to have.
3. Adrenaline Pump
- How to Get: Farmed from Primordial Guardian Radix, located at the Arch of Radix, Grindstone of the Worthy, Carcadia Burn.
- Effect: Blood Rush - Automatically restores Health on Second Wind.
The Adrenaline Pump is a decent last-resort option. It helps you get backinto the fight after a Second Wind with a healthy amount of life,preventing you from immediately going down again. However, since itrequires you to enter a downed state to be useful, it's generally notthe best choice for staying alive proactively.
4. Blood Analyser
- How to Get: Farmed from The Oppressor, located at The Killing Floors, Dissected Plateau, Fadefields. Available after the Main Mission "A Lot to Process."
- Effect: Immunity Shot - On use, grants Immunity to the last Elemental Damage Taken for 7 seconds.
This Repkit is a powerful situational tool, especially against bosses that rely on a single elemental damage type. By using the Blood Analyser at the right moment, you can becometemporarily invulnerable to a specific type of attack, allowing you toreposition or deal massive damage without fear of being taken down.
5. AF1000
- How to Get: Farmed from Rocken Roller, located in the "Trinket Crevass" Auger Mine, Ruined Sumplands, Carcadia Burn.
- Effect: Time Dilation - The Repkit's Duration is increased by +100%, and its Cooldown Duration is decreased by -50%.
The AF1000 provides excellent sustained healing. Its doubled duration means you get a powerful heal over time, and itsreduced cooldown allows you to use it much more frequently than otherRepkits. This is a great choice for builds that can rely on continuoushealing rather than a massive burst.
6. Kill Spring
- How to Get: Farmed from Axemaul, located in "The Toil of Spoiling Vis" Auger Mine, Carcadia District, Dominion.
- Effect: Blood Siphon - On kill, converts 100% of any excess Damage into Healing Orbs that seek out nearby allies.
The Kill Spring is for aggressive players who deal high damage. It rewards an "all-out" offensive strategy by turning excess damage into a constant source of healing. This is an incredible Repkit for clearing waves of enemies, as each kill can generate a cascade of healing orbs for you and your teammates.
7. Triple Bypass
- How to Get: Farmed from The Backhive, located in "The Claim" Auger Mine, Dissected Plateau, Fadefields.
- Effect: Heart Pump - This Repkit has 3 Charges, and a 30% chance to replenish a Charge on kill.
The Triple Bypass is widely considered one of the best Repkits in the game due to its versatility and survivability. With three charges, you have an unparalleled amount of on-demand healing.The 30% chance to replenish a charge on kill allows you to sustainyourself through long fights, and it pairs exceptionally well with modsthat give you an additional bonus when you use a Repkit.
8. War Paint
- How to Get: Farmed from the Meathead Riders (Saddleback & Immortal Boneface) located in "The Old Scrape" Ripper Drill Site in Cuspid Climb, Terminus Range.
- Effect: Chrome - On use, grants +30% Fire Rate and +30% Movement Speed for 15s, and reduces Repkit Cooldown by 2s each time Damage is taken.
The War Paint is an exceptional Repkit for any build focused on maximizing damage output. The +30% Fire Rate and Movement Speed bonus allows you to absolutely shred through bosses and mobs alike. The added bonus of reducing cooldown by 2 seconds every time you takedamage means you can have near-constant uptime on both your healing andyour powerful buffs. This Repkit turns your offensive power into survivability, making it the most potent choice for end-game content.
Platform(s): PlayStation 5 PS5, Microsoft Windows PC, Nintendo Switch 2, Xbox Series X/S
Genre(s): First-person shooter, action role-playing
Developer(s): Gearbox Software
Release date: September 12, 2025
Mode: Single-player, multiplayer
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