menu
MobalyticsUse your favourite features in-game with our Desktop App
Borderlands 4 Guide

How to Unlock The Legendary Flak Cannon

Weapons
Legendary Loot
Ordnance
Updated on May 29, 2026
May 29, 2026

Overview

The Flak Cannon is a Vladof Heavy Weapon

Flak Cannon has a legendary effect called Flakking Good


How to Unlock

Unlock Location:

  • Progress through the (Subjugator and Thol the Invincible) Raid until reaching the Raid Bosses
  • You will find Subjugator and Thol in the same boss arena.
  • Defeat Thol "Last" to get a chance to fight Thol one on one to get the Legendary Mad Flak.


Farm Method:

  • Defeat The Subjugator "First", then Defeat Thol
  • After use the Encore Machine nearby to reset the fight.
  • Repeatedly defeat Both Bosses in order
  • The Subjugator "First", then Defeat Thol until Mad Flak drops.

Table of Contents

Latest Guides

All Raid 2 Items Mechanics, Licenses & Best Rolls
By Ratore Updated on Jun 3, 2026
Weapons
Ordnance
Shields
+4
Weapons
Ordnance
Shields
Legendary Loot
Class Mods
+2
Borderlands 4: Complete Pearlescent Drop Rates Guide
By EpicNNG Updated on Jun 3, 2026
News
Late Game
Weapons
+1
News
Late Game
Weapons
Legendary Loot
Borderlands 4: Complete Legendary Drop Rates Guide
By EpicNNG Updated on Jun 2, 2026
News
Late Game
Weapons
+1
News
Late Game
Weapons
Legendary Loot
BL4 Theorycrafting Resource Hub
By GIRTHQUAKE Updated on Jun 2, 2026
Mechanics
Late Game
Beginner
+1
Mechanics
Late Game
Beginner
Discussion