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Borderlands 4

How to Get Kaoson

Add to Watchlist (3)

☆ How Rush Saved Mercenary Day (Bounty Pack 1)
★ 12 active SHiFT Codes as of December 4, 2025
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☆ Legendary Weapons
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Borderlands 4 - Kaoson

Kaoson is a Legendary Submachine Gun that drops from Primordial Guardian Origo in Borderlands 4. See how to get the Kaoson and other information on it in this guide.

List of Contents

How to Get Kaoson

Drops from Primordial Guardian Origo

Drops from Primordial Guardian Origo

The Kaoson is dropped by Primordial Guardian Origo in the Arch of Origo at The Low Leys, Terminus Range. Primordial Guardian Origo can be fought again using Moxxi's Big Encore Machine just outside of the boss' arena.

You must first find all 3 Terminus Range Vault Key Fragments in order for the Arch of Origo to appear.

Primordial Guardian Origo Drops and Location

Is a World Drop

Red Chests

The Kaoson is also a world drop, meaning it can be obtained randomly from other bosses, Red Chests, Golden Key Chests, and even vending machines.

Kaoson Information

Kaoson
Legendary Effect
Granted
Weapon Type Submachine Gun
Manufacturer VladofVladof
Rarity Legendary
DLC? No

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