Borderlands 4 Legendary Rerolling Guide: How to Farm Perfect Weapons from Bounty Pack 1 (November 2025 Update)

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Every Vault Hunter knows the frustration: finally obtaining a legendary drop after hours of grinding, only to discover it has suboptimal stats or the wrong elemental type. The November 20, 2025 update for Borderlands 4 has changed this forever with the revolutionary rerolling system introduced in the free “How Rush Saved Mercenary Day” DLC (Bounty Pack 1).

This guide covers everything you need to unlock, farm, and optimize the four new rerollable legendary weapons, turning your loot from “good enough” to absolute god roll perfection. Whether you’re a casual player seeking stronger gear or a min-maxer chasing the ultimate build, this system will save you countless hours of RNG frustration and give you complete control over your loadout.

The Rerolling Revolution: Understanding the System

Why These Weapons Are Different

The “Happy Mercenary Day!” Vault Card introduces four rerollable legendaries. Unlike traditional Borderlands weapons that drop randomly, these can be purchased multiple times from the Vault Card, each purchase generating a new version with randomized stats, parts, and elemental types.

How the System Works

  1. Initial Acquisition: Use Vault Card Tickets to purchase one of each legendary weapon.

  2. Infinite Reroll Potential: After the first acquisition, you can buy additional copies for new stat rolls, elemental types, and licensed parts.

  3. Targeted Farming: No more grinding bosses for specific drops; all four weapons come from a single predictable source.

The Four Rerollable Legendaries

  1. Aching Roil (SMG)

    • Best For: High-rate-of-fire elemental crowd control

    • Build Recommendation: Cryo SMG spam builds for fast kill chains in Terminus Range

    • Reroll Advice: Prioritize elemental chance, fire rate, and magazine size for maximum XP farming efficiency

  2. Rooker (Sniper Rifle)

    • Best For: Critical hits and boss damage

    • Build Recommendation: Incendiary sniper setup for elite bosses like Minister Screw

    • Reroll Advice: Focus on critical damage, projectile speed, and optional ricochet parts for multi-target efficiency

  3. Hardpoint (Pistol)

    • Best For: Versatile mid-range combat

    • Build Recommendation: Balanced Cryo/Incendiary for daily and weekly challenges

    • Reroll Advice: Prioritize fire rate and reload speed to sustain DPS in challenge farming

  4. Missilaser (Shotgun)

    • Best For: Close-range burst damage and AoE crowd control

    • Build Recommendation: Incendiary/AoE builds for high-density elite zones

    • Reroll Advice: Focus on pellet spread, explosion radius, and reload speed for maximum farming efficiency

Borderlands 4 Legendary Rerolling Guide

Pro Tip: Purchase one of each first to assess suitability, then concentrate your rerolls on the one or two weapons that synergize best with your Vault Hunter’s build.

Ticket Acquisition: Fueling Your Reroll Engine

Passive Progression Methods

  • Vault Card XP Gains: All XP earned from killing enemies, completing missions, or exploring contributes to Vault Card levels.

  • Level Rewards: Each level grants 2 Tickets.

  • Natural Gameplay: Simply playing the game provides a steady stream of Tickets over time.

Active Farming Strategies

Daily Challenges (3–5 Tickets):

  • Kill 10 Badass Enemies – 3 Tickets

  • Kill 15 enemies with Incendiary damage – 4 Tickets

  • Complete 4 Ripper Bounty Contracts – 4 Tickets

Weekly Challenges (7–11 Tickets):

  • Kill 500 enemies with Cryo damage – 11 Tickets

  • Complete 30 Bounty Contracts – 11 Tickets

  • Kill 300 enemies in Terminus Range – 11 Tickets

  • Complete 10 Patrol Contracts – 7 Tickets

Pro Tip: Combine challenge objectives in a single session. For example, if you have Cryo kills and Terminus Range objectives, focus your farming there to maximize both XP and Ticket efficiency.

Advanced Rerolling Strategy: From Good to God-Tier

Smart Resource Management

  1. Acquisition Phase: Purchase one copy of each legendary weapon.

  2. Evaluation Phase: Identify the weapons that complement your main build.

  3. Specialization Phase: Allocate 80–90% of Tickets to perfect one or two priority weapons.

Statistical Assessment Framework

  • Complementary Stats: Enhance inherent strengths rather than compensating for weaknesses.

  • Elemental Synergy: Match elemental types to your Vault Hunter’s skills.

  • Licensed Parts: Some parts alter fire modes, projectiles, or special effects—choose carefully.

Budget Management

  • Set Session Limits: Avoid burning too many Tickets in one session.

  • Cosmetic Delay: Prioritize rerolling legendaries before spending on aesthetics.

  • Continuous Progression: Vault Card XP continues to accumulate even after challenge completion, generating steady Ticket income.

Community Insights & Pro Tips

  • Boss Farming Synergy: Pair Vault Card progression with boss runs (e.g., Minister Screw) for maximum XP and loot.

  • Mayhem Mode Optimization: Higher Mayhem levels boost XP gain and world drop quality.

  • Build Specialization: Focus builds on specific challenge types (Cryo, Incendiary, etc.) to farm Tickets efficiently.

Common Pitfalls:

  • Avoid spreading resources across all four weapons too early.

  • Monitor challenge resets to avoid lost Tickets.

  • Don’t stop rerolling after one “good” roll—chase multiple ideal stats.

Conclusion: Your Path to Legendary Perfection

The Vault Card rerolling system in Borderlands 4’s November 2025 update revolutionizes endgame loot farming. With predictable sources for legendaries, smart Ticket management, and community-tested strategies, players now have full control over their perfectly rolled weapons.

Whether you aim for the elemental dominance of Aching Roil SMG or the critical devastation of Rooker sniper, the tools are now in your hands—focus, farm smart, and make your Vault Hunter legendary.  

🛠️ Community Links & Resources

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