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Borderlands 4 Guide

All Takedown at Hadron Abyss Items Mechanics, Licenses & Best Rolls

Late Game
Mechanics
Weapons
Ordnance
Shields
Legendary Loot
Class Mods
Repkits
Updated on Jun 27, 2026
Jun 27, 2026

Overview

Guide under construction.

The Borderlands 4 Takedown at Hadron Abyss features all-new Legendaries for players to find, including weapons, ordnance, a shield, a repkit and class mods for every Vault Hunter.

Alongside this, there's also a new Pearlescent weapon!

In this guide, I'll be breaking down the effects, acquirable licenses and the best rolls for each of these new items!

Many thanks to...

Girthquake, Grace, Iserrot, JoeForLong, Lango, Sinfector, wrw713, Nepta, Steveo, Mattmab, Jack and Leo for their contributions to the Gearology guides.

Weapons

Fishward Jakobs Assault Rifle

@

Like shooting fish from a barrel.

Fish Fry - On Kill, increase Damage Dealt of the next Mag by +20% for a Maximum of 5 stacks.

Mechanics

Rolls

  • Kinetic only.

Drop Source

Available Licenses & Parts

Best Rolls

Platinum Chest (Hadron Abyss Takedown)

Hyperion (Gun Shield)

Hyperion (Accuracy Grip)

Tediore (Throw on Reload)

  • Includes Tediore reload variants

COV (Unlimited Mag)

Ripper (Charge Mag)

Atlas (Dart Underbarrel)

Atlas (Grenade Underbarrel)


Ishmael Order Sniper Rifle

@

From hell's heart.

Harpoon - Bleeds the target over 5s

Mechanics

Rolls

  • Kinetic only.

Drop Source

Available Licenses & Parts

Best Rolls

Child of Terramorphous

  • Can also be a chest reward

Tediore (Throw on Reload)

  • Includes Tediore reload variants

COV (Unlimited Mag)

Ripper (Charge Mag)

Hyperion (Accuracy Grip)


Marshall's Claw Maliwan Sniper Rifle

@

Men, you have done your full duty.

Commandeer - Fires 3 pellets per shot in 5-round bursts.

Mechanics

Rolls

  • Elemental only.

Drop Source

Available Licenses & Parts

Best Rolls

Crackclaw

  • Can also be a chest reward

Hyperion (Gun Shield)

Hyperion (Accuracy Grip)

Jakobs (Ricochet Accessory)

Tediore (Throw on Reload)

  • Includes Tediore reload variants

Torgue (Impact Mag)

Torgue (Sticky Mag)

COV (Unlimited Mag)

Ripper (Charge Mag)

Daedalus (Underbarrel/Multi-Loader)


Sharkbait Tediore Shotgun

@

Now, look fellas, let's be reasonable.

Chum the Water - Every bullet that hits enemies applies 1 stack of Chum. At 20 stacks of Chum, the enemy explodes.

Mechanics

  • Chum the Water's Explosion is considered Gun Damage.
    • Stacks don't have a timer.
    • Guns with legs can trigger the effect.
    • Gun source Bonus Elements do not contribute to building up the effect.
    • Double hits through Tier 3 High Caliber + Splash do not cause any extra buildup of Chum the Water.

Rolls

  • Can be Kinetic.
  • Can be Elemental.

Drop Source

Available Licenses & Parts

Best Rolls

Child of Terramorphous

  • Can also be a chest reward

Tediore Reload Variants

Hyperion (Gun Shield)

Hyperion (Accuracy Grip)

Jakobs (Ricochet Accessory)

Torgue (Impact Mag)

Torgue (Sticky Mag)

COV (Unlimited Mag)

Ripper (Charge Mag)

Atlas (Dart Underbarrel)

Atlas (Grenade Underbarrel)

Daedalus (Underbarrel/Multi-Loader)

Maliwan (Element Switch Underbarrel)


Shoals Jakobs Pistol

@

The real voyage of discovery consists not in seeking new landscapes but in having new eyes.

Habitual - Ricochets deal Splash Damage

Mechanics

Rolls

  • Kinetic only.

Drop Source

Available Licenses & Parts

Best Rolls

Child of Terramorphous

  • Can also be a chest reward

Hyperion (Gun Shield)

Hyperion (Accuracy Grip)

Tediore (Throw on Reload)

  • Includes Tediore reload variants

Torgue (Impact Mag)

Torgue (Sticky Mag)

COV (Unlimited Mag)

Ripper (Charge Mag)

Atlas (Dart Underbarrel)

Atlas (Grenade Underbarrel)

Daedalus (Underbarrel/Multi-Loader)


Swan Song Daedalus Shotgun

@

I'm a simple man.

Cannonball - Underbarrel burst fires explosive Cannonballs. On Kill, gain additional Underbarrel Ammo up to a Maximum of 4 bonus Ammo.

Mechanics

  • Cannonball impact deals 2.5x Card Damage.
  • Cannonball explosion deals 5x Card Damage.

Rolls

  • Can be Kinetic.
  • Can be Elemental.

Drop Source

Available Licenses & Parts

Best Rolls

Tidebreaker

  • Can also be a chest reward

Hyperion (Gun Shield)

Hyperion (Accuracy Grip)

Jakobs (Ricochet Accessory)

Tediore (Throw on Reload)

  • Includes Tediore reload variants

Torgue (Impact Mag)

Torgue (Sticky Mag)

COV (Unlimited Mag)

Ripper (Charge Mag)


Class Mods

Damned Amon Class Mod

@

Rupture of Spatial Temporal Warp!

Special Effect - Activating an Action Skill or Forgeskill causes Amon's Gun Shots to have a 10% chance to cause a Pyre, dealing Incendiary Melee Forgeskill Damage based on 100% of the Damage Dealt for 10 seconds. Effect can only occur once a second.

Mechanics

Rolls

Drop Source

Available Skills

Best Rolls

Chest Reward (Hadron Abyss Takedown)

Tritanium Knuckles

Fists of Stone

Executioner

Destruction Engine


Trainer C4SH Class Mod

@

Truly skilled trainers should try to win with all their favorites.

Special Effect - C4SH gains up to +40% increased Gun Damage per Bone Totem. The less health each Bone Totem has, the greater the Gun Damage.

Mechanics

Rolls

Drop Source

Available Skills

Best Rolls

Chest Reward (Hadron Abyss Takedown)

Dealer's Bluff

Charm Bracelet

The Wilds

Restless Remains

The Wilds

Dealer's Bluff

+ Situational rolls

Chirurgeon Harlowe Class Mod

@

A quiet mind cureth all.

Special Effect - Whenever Harlowe puts an enemy in Stasis or she deals damage to an immune enemy with Stasis, she deals +80% increased Damage and has +100% Status Effect Chance against that enemy while it is Entangled. If that enemy is immune to Stasis, double these bonuses.

Mechanics

Rolls

Drop Source

Available Skills

Best Rolls

Chest Reward (Hadron Abyss Takedown)

Heat Sink

Triple Point

Accretion

Core Sample


Power-Puncher Rafa Class Mod

@

Things have changed.

Special Effect - While Rafa has a grenade equipped, his melee attacks have a 25% chance to spawn a Fire Fissure that deals Ordnance Melee Damage equal to Rafa's Grenade Damage.

Mechanics

Rolls

Drop Source

Available Skills

Best Rolls

Chest Reward (Hadron Abyss Takedown)

El Paraguas

Collaborate Ignition

Sinergia

El Diablito


Living Weapon Vex Class Mod

@

It's a peculiarity of mine.

Special Effect - When Vex deals Action Skill Damage she has a 2% chance to trigger Kill Skills. This effect can only occur every 5 seconds.

Mechanics

Rolls

Drop Source

Available Skills

Best Rolls

Chest Reward (Hadron Abyss Takedown)

Grave Fiends

Grave Power

A Deeper Grave

Mourning

Grave Power

Mourning

+ Situational rolls

Ordnance

Ordinance Tediore Grenade

@

No harm ever came from reading a book.

Ord 25-2 - Throws a book that releases damaging pages

Mechanics

Rolls

  • Can be Kinetic
  • Can be Elemental

Drop Source

Best Rolls

Platinum Chest (Hadron Abyss Takedown)

Preference of Augment combination

Draupner Ripper Heavy Ordnance

@

Warning from the Red Morning.

Return Wave - Pierces and ricochets back to the player upon hitting surfaces

Mechanics

Rolls

  • Can be Kinetic
  • Can be Elemental

Drop Source

Best Rolls

Platinum Chest (Hadron Abyss Takedown)

Highest Card DMG

Shield

Little Sister Tediore Shield

@

Unzip him, Mister B!

Sister - On Segment break, spawn a Kill Drone that fires alongside the Vault Hunter, mimicing their Gun's Element and deals 25% of the Gun's Damage

Mechanics

The Kill Drones will fire whenever the Vault Hunter causes a Gun Damage Instance. Many effects in the game are considered that, some examples being:

Drones are a sort of 'Instance Rider' based on 25% of Damage Dealt, and can double dip some Soup sources.

Drone's base element will be based on the main element of the Vault Hunter's gunshot.

  • The Drone Damage Formula is as follows:

Drone Count

x

Damage Dealt

x

0.25

x

Soup

  • Soup does not include Gun Damage.
    • Includes Splash, All Damage, Elemental Damage and Crit Damage.
  • Damage Dealt includes Flat Amp.
    • From Gloam Till Glow still needs proper checking.
  • Gun Source Bonus Elements do not apply to drones.
    • Global Bonus Elements like Hot Hand and The Wilds apply. Nothing Beats Lead also works since it only requires an elemental base.
  • Drone Damage doesn't feed Groundbreaker.
  • Drone duration needs confirming.
  • Too many Drones at once can cause game lag/hang-ups.

The Boxer Jabbing Augment can allow manual triggers of Kill Drones by using melee damage/attacks.

  • Haruspex, Wretched Shadows, Mantra and Slippy are some examples that work.
  • Trouble and Reaper melee attacks don't work.

Rolls

Drop Source

Best Rolls

Gilgathresh

  • Can also be a chest reward
  • Boxer + Positive Reinforcement
  • Armor Segment + Boxer

Preference/Build-based

Repkits

Vitae Jakobs Repkit

@

Bring it in for the real thing!

Lifeblood - Heals for an amount on Critical Damage Dealt

Mechanics

Rolls

Drop Source

Best Rolls

Platinum Chest (Hadron Abyss Takedown)

Preference/Build-based

Firmware

Bruiser Firmware

@

Effects

Tier 1

Tier 2

Tier 3

Damage Taken reduced by 10%

Lifesteal increased by +3%

Killing an enemy grants +10% Damage Dealt for 30.0 seconds. Multiple stacks can overlap. Max 5 stacks.

Mechanics

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