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Borderlands 4
Guides
How to Unlock The Legendary Flak Cannon
Guides
Borderlands 4 Guide
How to Unlock The Legendary Flak Cannon
Weapons
Legendary Loot
Ordnance
By
Ventu_Mortis
Updated on
May 29, 2026
May 29, 2026
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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
1. Overview
2. How to Unlock
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