How to Unlock the Legendary Buster Exo-Soldier Class Mod

Buster is an Exo-Soldier Class Mod for the Vault Hunter Rafa.

His Buster Class Mod improves him action skill APOPHIS Lance as follows:

APOPHIS Lance gains a 25% Chance to Not Consume Charges. The More Charges used at once, the Greater The Chance.

Thanks to Imortilize for providing the information and check out all Rafa Class Mods here!

Unlock Location + Farm Method:

• Acquired all 3 Vault Fragments in the Terminus Range and unlocked the Arch of Origo Vault.
• Defeat Primordial Guardian Origo who can drop Buster.
• Farm until Buster drops.

Nearest Fast Travel

• Heritage Opus (Safehouse)