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Borderlands 4 Guide

How to Unlock the Legendary Kill Spring Repkit

Legendary Loot
Repkits
Updated on Sep 29, 2025
Sep 29, 2025

Overview

Kill Spring is a Tediore Repkit.

Kill Spring Kills convert 100% excess dmg into healing orbs that seek allies, if playing solo yourself.

  • this Repkit best for keeping your Health Bar Full.


How to Unlock

Unlock Location:

  • Complete the Main Story Mission "Shadow of the Mountain" to unlock access to the Auger Mine.
  • Start from the Fast Travel Station in the Carcadia District in the Dominion area.
  • You will find a Auger Mine to the east, at the end you will encounter the boss Axemaul.

Farm Method:

  • Defeat Axemaul at the end of the Auger mine "Toil of Spoiling Vis".
  • Use the Encore Machine nearby to reset the fight.
  • Repeatedly defeat Axemaul until Kill Spring drops.

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