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Borderlands 4 October 23 Patch Notes: Everything You Need to Know

Time: 2025-10-24

Gear up, Vault Hunters! The highly anticipated Borderlands 4 patch has finally arrived, bringing a wave of changes that rebalance the battlefield. This massive update launches the limited-time Horrors of Kairos event, delivers significant buffs to a suite of legendary weapons, and squashes a horde of bugs that have been plaguing Pandora and beyond.

This guide breaks down everything you need to know about the October 23 patch.

Vault Hunter Tuning and Bug Fixes

The latest update brings major adjustments to the Vault Hunters, focusing on fixing broken interactions and refining their power.

  • Harlowe The Gravitar: Received a crucial fix for a frame-rate-crashing bug. Her Pencils Down class mod is now correctly capped at +5. While her gun damage buff now correctly applies to heavy weapons, the Neutron Capture skill has been significantly nerfed, changing its damage type from gun to radiation.

  • Amon The Forgeknight: Key bug fixes for multiplayer cooldowns and ability frequency are in. His abilities generally received buffs, with stacks lasting longer and the Blackout skill now being a 5-point investment.

  • Vex The Siren: The infamous recursive Bleed build, which allowed for infinite damage, has been fixed. While this specific build is now significantly weaker, other powerful ability combinations remain effective.

  • Rafa The Exo-Soldier: Key fixes ensure his grenades deal correct damage and his APOPHIS Lance skill now benefits from Cooldown Reduction. Class mods, especially melee-focused ones, have been comprehensively buffed.

Gear Shake-Up: Legendary Weapon Buffs

Assault rifle fans have reason to celebrate, as this weapon class received widespread buffs. Notable improvements include:

  • Star Helix: Fire rate increased by 33%.

  • Bonnie and Clyde: Base damage boosted by 40%.

  • Pair of Thieves: Bonus damage increased from +100% to +150%.

  • Bugbear: Base damage +40%; its special ability damage has been doubled.

  • Rowan's Charge: Fire rate has been dramatically increased by 100%.

Horrors Of Kairos Limited-Time Event

From October 23 to November 6, dive into the Horrors of Kairos event. This event introduces two new legendary items: the Murmur Tediore Assault Rifle and the Skully Order Grenade.

You can score these powerful new weapons as loot from World Bosses on Kairos. Don't forget to redeem the limited-time SHIFT code for bonus loot: 3S6BB-ZXT93-KRT3W-BT3T3-JW6TZ.

To instantly gear up your Vault Hunter with these new legendaries and other top-tier gear, players can buy Borderlands 4 items, weapons, and more from MMOMAX. Their secure service helps you skip the grind and jump straight into the action.

General Improvements & Bug Fixes

The patch addresses numerous community pain points:

  • Progression: Eridium requirements for Specialization have been drastically reduced from 5000 to 1500.

  • Loot: Bosses that previously dropped no loot now have dedicated loot pools. The Lost Loot machine now prioritizes higher-rarity items.

  • Stability: Fixed issues preventing achievement unlocks and several soft-lock scenarios.

This patch represents a significant step in balancing the endgame, toning down overpowered strategies while bringing underused gear and builds back into the meta. It's a great time to experiment with new loadouts and conquer the horrors of Kairos!