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Borderlands 4 Build

SP-ARC KNIVES

presentationRafa
presentationArc-Knives
End Game
Updated on Sep 8, 2026
Sep 8, 2026

Build Overview

Melee Rafa Build clearing with Arc-Knives and the Sparky Shield tesla shield.


This is not meant to be a complete in depth write-up. More just a quick summary of the loadout and build.

Strengths And Weaknesses

  • Infinite single target damage
  • High HP
  • Good multi target thanks to Sparky Shield
  • Must get close
  • Struggles with airborne bosses

Skill Tree

Points Spent 0 / 69
LMB Allocate
RMB Unallocate
Arc-Knives
5/5
1/5
5/5
5/5
1/5
5/5
5/5
5/5
2/5
3/3
5/5
5/5
5/5

No more Per My Last since the nerf.

Equipment

Weapons
Repkit & Ordnance
Utilities

GUNS:

Second wind weapon of choice. Mine is usually Inscriber

Tediore AR with SUPPORT DRONE underbarrel. Good for kicking the fight off with healing to stack Altered Cabron.

Beam Tosser, pair with Support Drone. Drone, Then fire your beams, then activate AS. The drone will heal you, stack Altered Cabron which then applies to the Beam Tossers. Only a emergency back-up for hard to hit bosses, such as phase 2 Child of Terramorphous.

Repkit:

Triple Bypass for healing and Now With Caffeine.

Grenade:

Player choice. Lingering grenade for healing. or Crit knife.

Shield:

Sparky Shield. Peak for mobbing. Prioritise Turtle parts for maximum capacity.

Class mod:

Mobbing:

PURPLE Practitioner com with points into El Corazon. This maximises our shield capacity for Sparky Shield. And Triggers Risky Boots bonuses.

Bossing / General use:

Reaparición. Storms are good for Groundbreaker stacking. Points into Juerga are comfy.

Enhancement: Match your second wind weapon. Go for general Gun Damage etc

Firmware

Repkit & Ordnance
Repkit FirmwareSkillcraft
Ordnance FirmwareSkillcraft
Utilities
Class Mod FirmwareEmpty
Shield FirmwareRisky Boots
Enhancement FirmwareRisky Boots

Practitioner com gets Risky Boots

Reaparición gets Skillcraft

If not going Practitioner at all, replace Risky Boots with Rubberband man 2

Specialization

Specialization 1Bear Arms
Specialization 2A Honed Mind
Specialization 3Groundbreaker
Specialization 4Now With Caffeine

Diamond Hands gives HUGE Gun damage bonuses which can feed into Skill and Melee through Specialisations.

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