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Borderlands 4 Guide

How to Unlock The Pearlescent Astonisher Shotgun

Weapons
By Lewis0n
Updated on Sep 12, 2026
Sep 12, 2026

Overview

Astonisher is a Ripper Shotgun

Its special effect is Pure Energy - Firing consumes the entire Mag and increases Damage by +3.3% per Ammo consumed.

How To Unlock

Unlock Location:

  • Progress through the (FL4k And The Last Resort) DLC until reaching the Boss
    Lieutenant Harmony

Farm Method:

  • Defeat Lieutenant Harmony to get a chance at the Astonisher.
  • After use the Encore Machine nearby to reset the fight.
  • Repeatedly defeat Lieutenant Harmony until the Astonisher drops.

Comments

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Table of Contents

1. Overview2. How To Unlock3. Comments

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