Onion
Updated: Apr 03, 2026
Borderlands 4

Borderlands 4Onion

You don't have to cry about it.
  • Content
    Base Game
  • Shield Type
    Armor
  • Rarity
    Legendary
  • Manufacturer
    Jakobs
  • Elements
    Non-Elemental
    Fire
    Shock
    Corrosive
    Cryo
    Radiation

OnionAll Details

Onion (BL4)
Copy Onion Code

Onion - About

The Legendary Shield Onion is manufactured by Jakobs and comes from the Borderlands 4 Base Game.

Onion - Unique Ability

On Armor Segment break, the Onion grants full Damage Immunity for 2s.

Onion - Variants

  • Elements
    Non-Elemental
    Fire
    Shock
    Corrosive
    Cryo
    Radiation
  • Shield Parts
    Limited Parts
    Limited Parts
  • Firmware
    possible
    none

Onion - Augments

Armor Augment Effect improves from Secondary → Primary → Matching Augments (x|y|z).
Each Augment can also modify Armor Capacity. Matching Augments apply the Capacity twice.
All Augments are equally common giving each a 16.7% Chance (1/6) to appear.
Matching Augments: 2.77% (1/36)

  • Flanking +7.5% Capacity Up to +10|18|25% Move Speed, scaling with broken Segments
  • Heavy Plating +10% Capacity Up to +20|35|50% Damage Reduction, scaling with broken Segments
  • Spunky +7.5% Capacity Up to +10|20|30% Damage Dealt, scaling with broken Segments
  • Knockback +5% Capacity On Segment break: Knocks back enemies and +30|40|50% Move Speed for 5s
  • Mini Nova +5% Capacity On Segment break: Trigger Nova, dealing 4,401|6,601|8,802 Damage
  • Missile Swarm -12.5% Capacity On Segment break: Launch 2|3|5 Missiles, each dealing 1,760|3,521|5,281 Damage

Onion - Changelog

OnionHow to get it?

Base Game
General Farming Guidance

To collect and equip the Legendary Onion, you need to own the BL4 Base Game

Base Game Items in Borderlands 4 are often obtainable from many sources, including those in DLCs. Here’s your quick start guide:

Farming Preparations

  1. Identify the Best Source: The Sources below are generally ranked from best to worst. Make sure to complete any required quests and be aware of Source Restrictions.
  2. Locate the Source: Make sure you have unlocked the Location.
  3. Equip Your Character: Equip your character to easily overcome enemies.
  4. Set Spawn Point: Locate the nearest Save Station to use as your spawn point.

Bonus Tips

  • Combine Runs: Get more loot per run by integrating nearby sources into your farming route.
  • Track Progress: Track your runs to more precisely predict drops and more clearly monitor progress. Additionally, time your runs to see how tweaks affect your farming efficiency.
  • Speed it up: Explore shortcuts and boost your movement speed to minimize travel time. Also, aim to shorten your time to kill with higher DPS or big damage bursts.
  • Realistic Expectations: Be patient and persistent when farming. Despite precise, verified drop rates, your actual runs might exceed or fall short of inferred expectations.

Onion
Drop Rates

  • Sludgemaw
    9%
Bonus Chance: +2% × UVH
Big Encore: 30%

OnionAll Sources

Sludgemaw
boss

Sludgemaw

Boss
Idolator's Noose
Shield Pool
loot-pool

Shield Pool

Loot Pool
World Wide

Alternative Shields for your Build

Cindershelly

Cindershelly

Base Game
Energy
Compleation

Compleation

Base Game
Armor
Elpis Star

Elpis Star

Vault of the Damned
Energy
Extra Medium

Extra Medium

Base Game
Energy
Firebreak

Firebreak

Base Game
Energy
Firewerks

Firewerks

Base Game
Armor
Guardian Angel

Guardian Angel

Base Game
Energy
Heavyweight

Heavyweight

Base Game
Armor
Hoarder

Hoarder

Base Game
Armor
Honey Badger

Honey Badger

Vault of the Damned
Energy
Hopscotch

Hopscotch

Stone Demon
Armor
Oak-Aged Cask

Oak-Aged Cask

Base Game
Armor
Onion

Onion

Base Game
Armor
Pandoran Memento

Pandoran Memento

Base Game
Energy
Principal

Principal

Base Game
Armor
Protean Cell

Protean Cell

Base Game
Energy
Sparky Shield

Sparky Shield

Base Game
Energy
Super Soldier

Super Soldier

Base Game
Energy
Timekeeper's New Shield

Timekeeper's New Shield

Base Game
Armor
Undershield

Undershield

Base Game
Armor
Watts 4 Dinner

Watts 4 Dinner

Base Game
Energy