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Heavyweight Harker – Borderlands 3 Guide

Borderlands 3 - DLC 5 Boss - Heavyweight Harker
Borderlands 3 - DLC 5 Boss - Heavyweight Harker
Where can I find Heavyweight Harker in Borderlands 3?

Heavyweight Harker is the final boss in Arms Race from DLC5 in Borderlands 3. He is located in Stormblind Complex on the Planet Pandora. You will encounter him in the basement of the complex that is located in the center of the map.Arms Race Map - Phase 5 - Boss Entrance

Which legendary items does Heavyweight Harker drop?

You can farm Heavyweight Harker for all the Arms Race Legendary Items as he is a dedicated loot source for these items. Heavyweight Harker’s legendary items have a 5.6% drop chance. You can boost that to 6.1% if you increase your Mayhem Levels.

Dedicated Loot




Grenade Mod

Class Mods

Borderlands 3 Legendary Class Mod - Kensei
Borderlands 3 Legendary Class Mod - Spy


Arms Race Boss Fight - Borderlands 3

The final boss has all 3 different life bars. Shield, Armor, and a Health bar. When buying and selling your gear before the fight you want to consider this and keep a few elemental weapons that are strong against these different life bars.

The final boss will be riding a beast during his Shield and Armor phase. His pet will be defeated once you make your way through these life bars.

During his health bar, the boss will keep calling additional forces to make your life a nightmare. Throughout the fight, there will always be a minor enemy to get a second wind on.


  • If you get a good Tediore weapon in the started chest, you can (easily) defeat the boss with it.

Additional Resources

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