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Borderlands 4 Guide

How to Unlock The Legendary Artillery Sphere Grenade

Legendary Loot
Weapons
By Ventu_Mortis
Updated on Jul 2, 2026
Jul 2, 2026

Overview

Artillery Sphere is a Ripper Grenade

Its special effect is Orbiting Body - On equip, spawns an orbiting Observer that deals damage to nearby enemies. The Observer will briefly attack enemies damaged by the grenade.


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 Artillery Sphere.
  • After use the Encore Machine nearby to reset the fight.
  • Repeatedly defeat Biff Fistful until the Artillery Sphere drops.

Table of Contents

1. Overview2. How to Unlock

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