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Borderlands 4 Guide

How to Unlock The Pearlescent Raiden SMG

Legendary Loot
Weapons
By Ventu_Mortis
Updated on Jun 26, 2026
Jun 26, 2026

Overview

Raiden is a Pearlescent Daedalus SMG

Raiden has a Corrosive Override. It also has a special effect called Raiden - On Kill, spawn a projectile count booster that increases the projectiles per shot for 14 seconds. Pickup effect stacks


How to Unlock

Unlock Location:

  • Progress through the (A Zane to Kill For) DLC until reaching the Final Boss Biff Fistful


Farm Method:

  • Defeat Biff Fistful to get a chance at the Raiden.
  • After use the Encore Machine nearby to reset the fight.
  • Repeatedly defeat Biff Fistful until the Raiden drops.

Table of Contents

1. Overview2. How to Unlock

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