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Borderlands 4 Guide

Takedown at Hadron Abyss Bosses Guide & All Loot

Late Game
Bosses
Map
Weapons
Shields
Updated on Jun 26, 2026
Jun 26, 2026

Overview

The Takedown at Hadron Abyss features new Legendaries and a Pearlescent for players to find.

Two boss encounters on Research Center B-0451 are the source of these drops, one at the midpoint of the gauntlet, and the other at the end.

  • Midpoint Trio Boss
  • Child of Terramorphous

In this guide you can find what each of the bosses drop.

For a full breakdown on the items from Takedown at Hadron Abyss, check:

Trio Boss

Tidebreaker, Gilgathresh and Crackclaw

Trio Location

Proceed through the Takedown objectives until you reach the arena.

Drops

Item

Type

Effect

Swan Song (Tidebreaker)

Legendary Daedalus Shotgun

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

Little Sister (Gilgathresh)

Legendary Tediore Shield

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

Marshall's Claw (Crackclaw)

Legendary Daedalus Shotgun

Commandeer


Final Boss

Child of Terramorphous

Terra Location

Proceed through the Takedown objectives until you reach the arena.

Drops


Type

Effect

Sharkbait

Pearlescent Tediore Shotgun

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

Ishmael

Legendary Order Sniper Rifle

Harpoon - Bleeds the target over 5s

Shoals

Legendary Jakobs Pistol

Habitual - Ricochets deal Splash Damage

Chest Rewards

Finishing the Takedown within the time limitations rewards the player with additional chests based on completion time.

These rewards include:

Item

Type

Effect

Class Mods (All Classes)

Legendary Class Mod

Class-specific

Fishward

  • Platinum Chest

Legendary Jakobs Assault Rifle

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

Draupner

  • Platinum Chest

Legendary Ripper Heavy Ordnance

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

Ordinance

  • Platinum Chest

Legendary Tediore Grenade Ordnance

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

Vitae

  • Platinum Chest

Legendary Jakobs Repkit

Lifeblood - Heals for an amount on Critical Damage Dealt

Sharkbait

Pearlescent Tediore Shotgun

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

Ishmael

Legendary Order Sniper Rifle

Harpoon - Bleeds the target over 5s

Swan Song

Legendary Daedalus Shotgun

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

Little Sister

Legendary Tediore Shield

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.

Marshall's Claw

Legendary Daedalus Shotgun

Commandeer

Shoals

Legendary Jakobs Pistol

Habitual - Ricochets deal Splash Damage.

Location

Unlock Location + Farm Method:

  • In order to fight the bosses, you must grab the Takedown's quest on any of the main hub Mission Boards.
  • Progress through the quest to eventually face both boss encounters.
  • Finishing the quest lets you play through the Takedown at any time and also go through the Mayhem Modes.

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