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Borderlands 4 Guide

How to Unlock The Legendary Decompiler Maliwan Shotgun

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

Overview

Decompiler is a Maliwan Shotgun

Its special effect is Tinkerer - Has a chance to fire a burst of projectiles of another element.

How To Unlock

Unlock Location:

  • Progress through the (FL4K And The Last Resort) DLC until reaching the Boss
    Blackgrin

Farm Method:

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

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Table of Contents

1. Overview2. How To Unlock3. Comments

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