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Borderlands 4 Build

Heavy Trooper | TRUE UVH 6 HOrd Harlowe Build

presentationHarlowe
presentationFlux Generator
End Game
Verified
Featured
Updated on Jan 19, 2026
Jan 19, 2026

Build Overview

Endgame build using Heavy Weapons and Harlowe's new Trooper class mod.

Strengths And Weaknesses

  • Huge DPS
  • Fun
  • Versitile, can use guns or heavy ordnances
  • Heavy Ordnance mobility limits
  • Post BloomReaper build
  • Yet another group study infini-crit build

Skill Tree

Points Spent 0 / 49
LMB Allocate
RMB Unallocate
Flux Generator
5/5
5/5
3/3
3/3
5/5
5/5
3/5
5/5
5/5
5/5
5/5

Mass Function points can go into Neutron Decay if you have a consistent way to stack it.

Equipment

Weapons
Repkit & Ordnance
Utilities

GUNS

Lucian's Flank - Easy to use, gains huge amount of crits in no time for maximum uptime of Trooper and Confirmative Reality. Ok Mobbing.

Katagawa's Revenge - Can overlap damage with Ordnance weapon to mass proc Critical Funding in boss fights. Also good for the above. Use on Shock mode.

HEAVY ORDNANCES

Jetsetter - The primary bossing option. Very high DPS.

Disc Jockey - The primary mobbing option. Mass clear, no effort.

Vladof Purple 'OOTKA' - A good easy access all rounder.

Bottled Lightning - Funny mobbing option. Good for Origo or Phase 1 Bloomreaper.

Purple Torgues - Both Rocket Sockets and Honey Bunches. RS for a general use all rounder. And HB for burst bossing DPS. Good for Bloomreaper main phase pre Jetsetter.

CLASS MOD

Trooper duh.. Focus either Bright Future or Meltdown for skills. Any passive that would apply to Ords. Fire rate, All damage, gun damage, Ord Damage, movement speed. Hard to go wrong here. No particular roll needed.

EHANCEMENT

Main stat doesn't matter (Jakobs Bounce pass if you must)

Stats to prioritise:

GUN EQUIP SPEED!!!!1!!

Gun Damage

Gun Critical hit damage

Generic Gun bonuses

SHIELD

AMP! It's always AMP. AMP is our overlord. Biggest AMP% you can find.

For perfectionists it's ofc Watts 4 Dinner with 150% AMP.

REPKIT

Whatever your heart desires.

Kill Spring for passive healing.



Firmware

Repkit & Ordnance
Repkit FirmwareDeadeye
Ordnance FirmwareDeadeye
Utilities
Class Mod FirmwareHigh Caliber
Shield FirmwareHigh Caliber
Enhancement FirmwareDeadeye

Most Ordnances will want Deadeye - 3. However Rocket Socket and Ootka may want High Caliber 3 to pierce through targets and hit the ground behind them.

Specialization

Specialization 1Fragmentation Payload
Specialization 2Full Spectrum Arsenal
Specialization 3Riddle You This
Specialization 4The Best Defense

Fragmentation Payload is beyond ridiculous. Giving at 50% bonus to all of your Critical hit bonuses within Skill Trees.

Because of this focus all excess points into the Killer tree and Brute at a 2:1 ratio.

Gameplay

Point n Shoot not much too it. When your Action skill ends use Lucian's Flank or Katagawa's Revenge on enemy crits to get all your cooldowns back. Remember casting your action skill will CANCEL Ordnance so Action skill first. Left over Nuclear Winter will help getting free crits for Trooper and Confirmative Reality.

If you want more in Ordnance ammo sustain, notably with the Bottled Lightning. Fire Katagawa's Revenge several times into the target before activating and firing off your Ordnance. The lingering teslas from KR will mass proc Critical Funding to sustain ammo freely.

BLOOMREAPER

Use Bottled Lightning or any explosive HOrdnance for phase 1. Lucian's Flank is effective at cleaning up any flying Vile Ordonites.

Phase 2 Jetsetter or a fire Honey Bunches will be the way to go. Fire Dead Spread is lower damage but easier to use than Honey Bunches. HB is also a pain to use without GUN EQUIP SPEED on enhancement so make sure you have that.

Video Guide

Table of Contents

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