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Borderlands 4 Build

Bubble Blaster - Zero Point Bubble Build

Harlowe

Zero-Point

End Game

Creator

By LazyData

Updated on Sep 26, 2026

Sep 26, 2026

Build Overview

Making Zero Point actually do something.

This is not currently meant to be a full complete in depth write up, but a base summary of gear and build spec.

Strengths And Weaknesses

High bossing damage
Satisfying chain reactions

Clunky to play
Poor range

Skill Tree

Points Spent 0 / 69

LMB Allocate

RMB Unallocate

5/5

1/5

1/1

3/3

4/5

1/5

4/5

1/5

4/5

1/5

1/1

Peer Review to stack Action Skill cooldown rate in mobbing

Wildcat Destabilization for an extra bonus element in bossing

Equipment

Weapons

Repkit & Ordnance

Utilities

CLASS MOD: Plasmaphile

Plasmaphile deals a large chunk of damage whenever an enemy enters stasis, stacking source inheriting bonus elements provides more instances of this damage. This is what allows Zero-Point to hit such large numbers.

Plasmaphile damage scaled with Cooldown Rate

GUNS:

Convergence or Katagawa's Revenge to spam hits for Confirmative Reality

REPKIT:

AF1000 - High uptime for the repkit bonus, Accelerator is chosen for the large damage bonus to Plasmaphile.

SHIELD:

Watts 4 Dinner - Extra bonus element for Plasmaphile.

GRENADE:

Jakobs throwing knife with Penetrator augment for critical hit chance.

ENHANCEMENT:

Jakobs Bounce pass for extra hits on your guns.

Firmware

Repkit & Ordnance

Repkit FirmwareAction Fist

Ordnance FirmwareAction Fist

Utilities

Class Mod FirmwareSkillcraft

Shield FirmwareSkillcraft

Enhancement FirmwareSkillcraft

Specialization

Specialization 1Groundbreaker

Specialization 2Bear Arms

Specialization 3A Honed Mind

Specialization 4The Best Defense

Gameplay

Shoot to recover your action skill and spam and Zero-Point as much as you can. Interlace your Zero-Points with Groundbreaker melees as much as you can during mobbing, proritising badasses. In bossing you can wait a few activations between Groundbreaker hits.

Thanks to Falling Bodies you don't need to aim directly at enemies for Zero-Point to find a target, very helpful in mobbing.

Sometimes the auto-retarget of Zero-Point will trigger a chain reaction of Plasmaphile 1 shotting an enemy, finding a new target, one shotting them, repeat. Very satisfying when this happens.

Make sure your Repkit is active at all times.

Comments

EpicDamo•22d ago

My Harlowe is lv23 and far away from getting a Plasmaphile. Can I make this build work any time soon? It seems like Harlowe is *either* Neutron Capture *or* Group Study for a long time.

LazyData

Author

•22d ago

This is very much a plasmaphile build im afraid

View 1 reply

HeebsJr•1 month ago

What perks are you wanting on the class mod?

I have one with +5 "practical applications" but only +1 "too cool for coolant". I saw in your takedown run you used +5 TCFC, would that be the optimal roll?

LazyData

Author

•1 month ago

I go +5 Too Coolant for Schoolant

View 2 replies