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All Legendary Armor and Energy Shields in Borderlands 4: Effects and Sources

A dated guide to the legendary armor and energy shields reported in Borderlands 4, with each shield’s listed effect and acquisition source.
WorldBorderlands 4: Effects and Sources Length3 min Posted Quest giverVGSources Team

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As listed in Mobalytics’ guide updated September 12, 2026, Borderlands 4 has 13 reported legendary armor shields and 12 reported legendary energy shields. The tables below give each shield’s reported effect and acquisition source. This is a dated, community-maintained list—not a live-client-verified or officially confirmed inventory—so check current item cards and availability in game.

How to use this list

Armor shields and energy shields are separate categories here. To compare them, start with the event that triggers an effect—such as a kill, segment break, fill, depletion, melee hit, slide, or status-effect damage—then consider its payoff: survival, resistance, healing, overshield, ammunition, crowd control, or damage. The entries below report locations and mechanics, not drop probabilities or tested rankings; they do not establish a universal best shield.

The list follows the category tables in Mobalytics’ legendary weapons and gear guide. Mobalytics describes its shields database as community-sourced and subject to change. Some listed sources involve DLC, Vault Cards, or a SHiFT code; confirm current eligibility and availability in game.

Legendary armor shields

Shield Reported effect Listed source
Compleation While full, instantly loses an armor segment. Battle Wagon, The Lowering March
Exfoliatrix On segment break, increases status-effect chance for 6 seconds. Recovers a small amount of shield when enemies receive status-effect damage. Gutslinger, Story Pack 2
Firewerks On kill, spawns homing missiles. Splashzone, Coastal Bonescape
Heavyweight Melee consumes a segment for +100% melee damage; damage bonus is +50% while empty. Vile Prototype, Lictor’s Black Site
Hoarder On kill, has a 50% chance to spawn an ammo booster that instantly refills the gun. Skyspanner Kratch, Cuspid Climb
Hopscotch Spawns a singularity when an armor segment breaks. The Stone Demon, The Demon’s Domain
Hydrowerks While sliding, launches missiles at nearby enemies; gains armor at the end of a slide. MAXXXSUPREMENOOLIVES, Bounty Pack 4
Little Sister On segment break, spawns a kill drone that fires alongside the Vault Hunter, mimics the gun’s element, and deals 25% of the gun’s damage. Tidebreaker, Gilgathresh, and Crackclaw; Takedown at Hadron Abyss
Oak-Aged Cask Has one segment; dropped boosters completely fill the shield. Skull Orchid, Embossed Fault
Onion On armor segment break, grants 2 seconds of damage immunity. Sludgemaw, Idolator’s Noose
Principal Spawns a Shield Boi when the last armor segment breaks; it can draw aggro. World drop
Timekeeper’s New Shield Increases HP, provides HP regeneration, and grants +33% damage resistance. Exact HP values are not specified in the listing. Timekeeper, Upper Dominion
Undershield On armor segment break, grants overshield. Bloomreaper, The Bloom

Legendary energy shields

Shield Reported effect Listed source
Cindershelly Per Resolve stack, grants +2% damage resistance and +20% nova damage, up to 25 stacks. Backhive, The Claim
Collector Regenerates health while energy shields are active. Subjugator, Raid Boss 2
Elpis Star Melee damage spawns a Meteor Cluster on the damaged enemy. Air Raider Screamulous, Story Pack 1 DLC
Extra Medium Explodes on fill and depletion; damage value is not specified in the listing. Primal Guardian Inceptus, Arch of Inceptus
Firebreak On energy-shield break, triggers a damaging nova on three enemies. SHiFT code only, according to the guide
Guardian Angel Speeds up revival; expiring Fight For Your Life grants one free Second Wind every 300 seconds. World drop
Honey Badger Reduces self-damage by 90% while the shield is active. Big Oil, Story Pack 1 DLC
Pandoran Momento Grants +15% elemental resistance and +50% resistance to the last damage type received for 5 seconds. Callis, Ripper Queen, Moon-Called Throne
Protean Cell Ground Slam drains the shield over time for +40% shock damage. Fractis, The Crawlcoft
Sparky Shield While not full, periodically shocks nearby enemies. Shadowpelt, Whistler’s Maw
Super Soldier Grants overshield on fill; while full, grants +25% fire rate, +25% movement speed, and 1 ammo per second. Vile Lictor, Umbral Foundry
Swarm On energy-shield break, spawns kill drones that charge a nearby enemy, deal damage, and restore shield. Drones recharge when the shield is full. Bounty Pack 3 Vault Card
Watts 4 Dinner Hits have a 12% chance to drop overshields that grant +25% shock damage. Primal Guardian Origo, Arch of Origo

Patch changes to note

Borderlands Support’s version 1.6 patch notes, published April 29 and updated July 2, 2026, document behavior changes for two entries. Heavyweight consumes an armor segment only when the melee attack will be boosted by it. Protean Cell’s Direct Current activates only while the shield has energy. Those notes illustrate why a brief guide description may not capture current item behavior; consult the current item card and patch notes when a mechanic matters to your build.

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  • FIGHT SOLO OR CO-OP: Wreaking havoc across Kairos is awesome alone and even better with friends in 2-player splitscreen or up to 4-player online co-op.** Borderlands 4 is designed for co-op from the ground up; whether you're hunting for loot, tackling missions, or wandering freely, level scaling and individual difficulty keeps the party together and having fun.
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