Borderlands Wiki
Borderlands Wiki

Principal is a legendary enhancement in Borderlands 4 manufactured by Hyperion. It is obtained randomly from any suitable loot source.

Fixed Weapon Bonuses[]

  • Shock Guard – Weapons with Hyperion-licensed parts trigger a shock nova when deployed, with an 8-second cooldown.
  • Stim Coverter – Weapons with Hyperion-licensed parts regenerate up to 10% Health when the Gun Shield is hit.