Lifesteal Incarnate Bleed
Critical Clones Boss Farm
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Peacebreaker Ricochet Build
Freeze Crucible Build
Onslaughter Fire Boss Farm
Best Leveling Build
Cryo Stasis Harlowe Build
CHROMA Radiation Build
Best Leveling Build
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Borderlands 4
Rafa the Exo-Soldier Best Builds
☆ How Rush Saved Mercenary Day (Bounty Pack 1)
★ 12 active SHiFT Codes as of December 4, 2025
☆ Black Market Location
★ Elemental Weakness Chart
☆ Legendary Weapons
★ Builds: Vex | Amon | Rafa | Harlowe
These are the best builds for Rafa the Exo-Soldier in Borderlands 4. See the the best builds for Rafa, including the best skill tree, action skills, passives, and weapon choices in this guide.
| All Rafa Guides | ||
|---|---|---|
| Best Builds | Cosmetics | Skill Trees and Voice Actor |
| Leveling Build | Boss Farm Build | Arc-Knives Build |
| Ricochet Build | ||
List of Contents
Best Rafa Builds (Exo-Soldier)
| Jump to a Section! | |
|---|---|
| Leveling Build | Arc-Knives Build |
| Ricochet Build | Boss Farm Build |
Leveling Build
| Skills | |||||
|---|---|---|---|---|---|
 Peacebreaker Cannons Remote Agent Skill Tree |
 Sitiar Rafa gains increased Gun Damage.
 Deft Hands Rafa and his Peacebreaker Cannons gain increased Fire Rate.
 Shield Barriest Overdrive Skill. Rafa gains increased Shield Recharge Rate and improved Shield Regen Delay while Overdrive is active.
 Handshake Deal Rafa gains increased Gun Damage and Melee Damage
 Expedite Overdrive Skill. Overdrive grants Rafa increased Movement Speed.
 Juerga Whenever Rafa Critically Hits an enemy, Action Skill Duration is restored.
 Bullet-Buddy Deluxe While Peacebreaker Cannons are active, Rafa and his Allies Regenerate Ammo into their Magazine. Rafa's Peacebreaker Cannons deal Bonus Incendiary Damage based on how full his Gun is, and his Turrets shoot Exploding Bullets while his Magazine is full. Pressing Action Skill while Peacebreaker Cannons are active causes Rafa's shots to consume no Ammo, but causes his Action Skill Duration to drain faster.
 CYA Kill Skill. Killing an enemy restores Shields based on Rafa's Maximum Health Capacity.
 El Valiente Rafa deals increased damage from all sources. The fuller Rafa's Shields are, the greater the bonus. While Rafa's Shields are at Maximum Capacity, double the bonus.
 Everdrive Overdrive gains increased Duration.
 Temerario Overdrive Skill. Rafa gains increased Gun Damage, but decreased Gun Handling. These Effects are based on how long Overdrive has been active.
 Soltado Kill Skill. Double all Overdrive bonuses.
 Volatile Hollowpoints Rafa's Peacebreaker Cannons are replaced with Rockets that deal Splash Damage.
|
||||
| Best Weapon Type | Best Manufacturer | ||||
| Assault Rifle | Daedalus | ||||
Utilizing the Peacebreaker Cannons and Turrets as well as effectively stacking gun damage and shield regeneration, this build becomes a DPS machine. Assault rifles from Daedalus are preferred, offering versatile damage outputs that synergize well with your Action Skill.
Corroding Arc-Knives Build
| Skills | |||||
|---|---|---|---|---|---|
 Arc-Knives |
Shield Barriest Overdrive Skill. Rafa gains increased Shield Recharge Rate and improved Shield Regen Delay while Overdrive is active.
Handshake Deal Rafa gains increased Gun Damage and Melee Damage
 Midnight Oil Rafa's Action Skills deal Bonus Corrosive Damage. The longer the Skill has been active, the greater the Bonus Damage.
Juerga Whenever Rafa Critically Hits an enemy, Action Skill Duration is restored.
 Dial In Whenever Rafa damages an enemy with a Melee Attack, his Melee Attacks gain Critical Hit Chance. This chance stacks, and all Stacks are removed whenever Rafa Critically Hits an enemy.
 Altered Cabron Whenever Rafa kills an enemy while Arc-Knives are active, restore a portion of his Health. Whenever Rafa gains Health, deal Bonus Corrosive Damage with all attacks, and gain increased Movement Speed. This effect can stack.
 Resiliencia Overdrive Skill. Rafa gains increased Damage Reduction while Overdrive is active.
 Saldar Rafa's Melee Critical Hits gain Lifesteal.
 El Borracho Rafa deals increased Corrosive Damage while his Action Skill is active. The longer it has been active, the greater the bonus. This effect can stack.
 Empuje Rafa gains increased Action Skill Duration.
 Galvanic Panic Whenever Rafa performs a Melee Attack while Arc-Knives are active, fire an Acid STRM Glider at an enemy in his view. Acid STRM Gliders deal Corrosive Splash Damage based on the number of total Marked enemies. Additionally, killing an enemy while Arc-Knives are active restores Action Skill Duration. Activating Blade Fury causes Rafa to fire a volley of Acid STRM Gliders in front of him and end Arc-Knives.
 Cruel Accrual Rafa gains increased Skill Damage with all Skills. The longer his Action Skill has been active, the greater the bonus. This effect can stack.
|
||||
| Best Weapon Type | Best Manufacturer | ||||
| Any | Any | ||||
The build relies heavily on the Arc-Knives and the ability to keep them drawn. By investing in the correct skills, you can effectively stay in Arc-Knives mode infinitely as long as you have targets to attack. This build also provides healing and survivability so you can stay in the fight for longer.
For weapons, you can use any weapon you are comfortable with as they are primarily just for Fight For Your Life and during your skill's downtimes, which shouldn't be many. We do, however, recommend using Jakobs and Vladof guns, specifically Shotguns, Submachine Guns, and Assault Rifles so you can stay in close to mid-range.
Corroding Arc-Knives Rafa Build
Ricochet Build
| Skills | |||||
|---|---|---|---|---|---|
| Peacebreaker Cannons |
Sitiar Rafa gains increased Gun Damage.
Midnight Oil Rafa's Action Skills deal Bonus Corrosive Damage. The longer the Skill has been active, the greater the Bonus Damage.
Juerga Whenever Rafa Critically Hits an enemy, Action Skill Duration is restored.
 Instinto Rafa's Peacebreaker Cannons gain increased Critical Hit Chance. Pressing Action Skill while Peacebreaker Cannons are active causes them to double their Critical Hit Chance and gain increased Critical Hit Damage, while also causing his Action Duration to drain faster. Kill Skill. Killing an enemy causes Rafa to restore Action Skill Duration, while also causing his Action Skill Duration to drain faster.
Resiliencia Overdrive Skill. Rafa gains increased Damage Reduction while Overdrive is active.
 Maestro Rafa gains increased Skill Damage.
 Asymmetric Warfare Indirect Projectiles gain increased Damage. Indirect Projectiles include all Action Skill Weapons, Thrown Guns, and Projectiles not fired from your Gun.
 Errant Spark All Indirect Projectiles deal Bonus Incendiary Damage. If the Indirect Projectile already deals Incendiary Damage, double the Bonus Damage.
 Double-Ought Autoshot Rafa's Peacebreaker Cannons are replaced with Shotguns that deal increased Damage and have an increased Pellet Count. Additionally, Rafa's Turrets gain a chance to Ricochet off of targets. Ricochets deal Reduced Damage, and Critical Hits always Ricochet.
 Lateral Plinking Rafa's Indirect Projectiles gain a chance to Ricochet.
 Vitriol The first shot fired from Rafa's fully-loaded Magazine deals Bonus Corrosive Damage.
 Pain Reaction Rafa's Guns gain a chance to Ricochet off of enemies with Status Effects. Ricochet Damage is based on the Damage Dealt.
Everdrive Overdrive gains increased Duration.
Temerario Overdrive Skill. Rafa gains increased Gun Damage, but decreased Gun Handling. These Effects are based on how long Overdrive has been active.
|
||||
| Best Weapon Type | Best Manufacturer | ||||
| Shotguns | Jakobs | ||||
The build relies heavily on the Shotgun Peacebreaker Cannons and their ability to Ricochet. Additionally, the build also strengthens the Ricochets that Rafa can perform with his weapon of choice, making it possible to deal a lot of damage even without your Action Skill.
For weapons, we highly recommend Jakobs Shotguns so you can easily Ricochet multiple times per shot. Try to get the Legendary weapon Kickballer if possible, with the Bonnie and Clyde as an alternative.
Peacebreaker Cannons (Boss Farm) Build
| Skills | |||||
|---|---|---|---|---|---|
| Peacebreaker Cannons |
 Las Jaras Overdrive Skill. Rafa Regenerates Ammo while Overdrive is active.
 The Thrill (Rafa) Overdrive Skill. Rafa gains increased Fire Rate, which is increased even further while Overdrive is active.
Sitiar Rafa gains increased Gun Damage.
Deft Hands Rafa and his Peacebreaker Cannons gain increased Fire Rate.
Juerga Whenever Rafa Critically Hits an enemy, Action Skill Duration is restored.
Bullet-Buddy Deluxe While Peacebreaker Cannons are active, Rafa and his Allies Regenerate Ammo into their Magazine. Rafa's Peacebreaker Cannons deal Bonus Incendiary Damage based on how full his Gun is, and his Turrets shoot Exploding Bullets while his Magazine is full. Pressing Action Skill while Peacebreaker Cannons are active causes Rafa's shots to consume no Ammo, but causes his Action Skill Duration to drain faster.
Resiliencia Overdrive Skill. Rafa gains increased Damage Reduction while Overdrive is active.
Maestro Rafa gains increased Skill Damage.
Asymmetric Warfare Indirect Projectiles gain increased Damage. Indirect Projectiles include all Action Skill Weapons, Thrown Guns, and Projectiles not fired from your Gun.
Everdrive Overdrive gains increased Duration.
Temerario Overdrive Skill. Rafa gains increased Gun Damage, but decreased Gun Handling. These Effects are based on how long Overdrive has been active.
Soltado Kill Skill. Double all Overdrive bonuses.
Volatile Hollowpoints Rafa's Peacebreaker Cannons are replaced with Rockets that deal Splash Damage.
|
||||
| Best Weapon Type | Best Manufacturer | ||||
| Assault Rifles | Vladof | ||||
The build relies heavily on the Peacebreaker Cannons and the Overdrive buffs Rafa receives while they are out (and for a short time after they despawn). With heavy investment in the Remote Agent Tree, the build maximizes turret damage, as well as your Overdrive buffs.
For weapons, we highly recommend Vladof Assault Rifles with an element that can counter the boss you plan to fight. Having either an Extra Barrel or Motile Bipod is recommended to make fights go smoother, be it by increasing your fire rate or by improving your weapon handling.
Peacebreaker Cannons Rafa Best Build
Borderlands 4 Related Guides
Best Builds for Each Vault Hunter
All Character Builds
| Character | Build |
|---|---|
 Vex |
|
 Rafa |
|
 Amon |
|
 Harlowe |
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Rafa the Exo-Soldier Best Builds
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