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Borderlands 4 Best Endgame Builds: Infinite Ammo & High-Damage setups for UVH5

Time: 2025-11-13

Conquering Ultimate Vault Hunter 5 requires optimized builds, and we've ranked all four Vault Hunters by their performance. While Harlowe currently leads with the strongest setup, followed closely by Rafa, all characters can devastate endgame content with the right configuration.

S-Tier: Harlowe's Cosmic Annihilator

Core Trees: Cosmic Brilliance (Green)
Action Skill: Flux Generator

This build creates an unstoppable damage loop:

  • Excited State guarantees critical hits after action skill damage

  • Critical Funding regenerates ammo on critical hits

  • Confirmative Reality maintains permanent Flux Generator uptime

Equip Nuclear Winter to continuously trigger the critical-ammo regeneration cycle, creating literally infinite firing capacity. The build synergizes perfectly with heavy weapons while providing entanglement-based survivability.

A-Tier: Rafa's Sticky Bomb Specialist

Core Trees: Remote Agent (Red)
Action Skill: Peacebreaker Cannons

The ultimate burst damage build:

  • Bullet-Buddy Deluxe provides 8 seconds of infinite ammo

  • Indirect Projectiles with Air and Spark add incendiary damage

  • Hostile Acquisition enables lifesteal for survival

Stack Torque Stickies during unlimited ammo phases, then reload to detonate for instant boss melts. Perfect with Bod Shotgun or Queen's Rest.

B-Tier: Vex's Lifesteal Artillery

Core Trees: Vexcalation (Green)
Action Skill: Incarnate

Survival meets massive damage:

  • Witchy Trigger Finger enables instant reloads

  • Blood is Power converts 300% lifesteal to kinetic damage

  • Teen Witch class mod makes you virtually unkillable

The build transforms lifesteal into overwhelming offense while maintaining constant weapon uptime through automatic reload mechanics.

C-Tier: Aman's Cryo Juggernaut

Core Trees: Vengeance (Blue) & Calamity (Red)
Action Skill: Scourge

The ultimate heavy weapons specialist:

  • Tail of the Comet applies Cryo status effects

  • Primal Surge regenerates shields and ammo

  • Berserk provides up to 60% Cryo damage bonus

With Calculating Cyborg class mod and Endless Bombardment, Aman maintains infinite heavy weapon ammo while stacking massive cryo damage multipliers.

Gearing Up for UVH5 Dominance
These builds rely on specific gear and optimal stat allocation. For players looking to accelerate their progress, you can buy Borderlands 4 items securely through MMOMAX to acquire essential weapons and class mods for these elite setups.

Each build demonstrates how proper talent tree synergy can create overwhelming advantages in UVH5. Whether through infinite ammo cycles, massive damage conversion, or unstoppable survivability, these configurations represent the current pinnacle of Borderlands 4 endgame performance.