Use your favourite features in-game with our Desktop App

Borderlands 4 Build

Beam Blaster Rafa Build - Endgame Made Easy!

Rafa

Peacebreaker Cannons

End Game

By SpartanGameZone

Updated on Nov 1, 2025

Nov 1, 2025

Build Overview

This build will have you dealing some incredible damage in a number of different ways. Whether you are tossing beams, launching discs, firing complex projectiles or summoning space lasers, nothing will stand in your way!

We easily one shot bosses in this build with the Beam Tosser alt-fire mode found on Maliwan Shotgun's & the Oscar Mike's Space Laser. The Complex Root dominates bosses too & tears it up while mobbing. The Disc Launcher alt-fire mode also found on Maliwan Shotguns is another option while mobbing, which we can spam for days on end.

Strengths And Weaknesses

One Shot Bosses
Destroy Mobs
Endgame Made Easy

Some Alt-Fire Modes are Rare

Skill Tree

Points Spent 0 / 49

LMB Allocate

RMB Unallocate

5/5

2/5

5/5

3/3

5/5

This build captilizes on the unique projectile patterns of the Beam Tosser & Complex Root, slowing them down thanks to the Negative Gun Handling from Temerario, resulting in much, much more damage potential.

Soltado doubles our overdrive bonus on kill (more negative gun handling)

Jaque increases our overdrive bonuses when we deal skill damage (even more negative gun handling)

Default Peacebreaker Cannons are best for stacking up Jaque and other skills as well as extending Action Skill Uptime through Instinto & Juerga.

Equipment

Weapons

Repkit & Ordnance

Utilities

The most important piece of gear here is the Dancer class mod. It doubles our Overdrive bonuses, gifting, yes you guessed it: more Negative Gun Handling. Points in Temerario is best and make sure to have 1 point in Soltado either from this class mod or by speccing into it.

Firewerks is a great shield for mobbing.

For bossing, any shield with Amp parts is preferred.

Order Repkit is used to get our Action Skill back fast thanks to the two charges.

For bossing, a Repkit with an Amp part is preferred.

The crit knife provides the most damage potential but you don't need it.

Any enhancement with gun splash/gun damage/gun crit damage works. Torgue/Jakobs/Atlas perks fit best.

Firmware

Repkit & Ordnance

Repkit FirmwareDeadeye

Ordnance FirmwareDeadeye

Utilities

Class Mod FirmwareAirstrike

Shield FirmwareAirstrike

Enhancement FirmwareDeadeye

Airstrike increases our splash radius

Deadeye grants the most damage potential if using crit knife

Daed-dy O in place of Deadeye would be more consistent

Specialization

Specialization 1Riddle You This

Specialization 2Now With Caffeine

Specialization 3Bullet Train

Specialization 4The Best Defense

Riddle You This increases our gun damage which our Peacebreaker Cannons help to stack

Now With Caffeine increases Action Skill Uptime

Bullet Train increases our gun damage the faster we move

The Best Defense increases our damage when our shields are full

Gameplay

Mobbing

Equip the Complex Root & start blasting laser beams. With Negative Gun Handling it transforms into a shotgun & is much better in close ranges.
When using the Disc-Launcher make sure to re-trigger your action skill to gain 2 seconds of free ammo with Metal Management and then spam those discs! Rinse and repeat.