Protean Cell

Protean Cell is a legendary energy shield in Borderlands 4 manufactured by Order. It is obtained randomly from any suitable loot source, but has an increased chance to drop from Fractis located in Crawlcroft Bunker, in the Grindstone of the Worthy area of Carcadia Burn.

Special Weapon Effects[]

Electrical resistance is futile.

Direct Current – Ground Slam to toggle this effect. When enabled, drains Shield over time to grant 40% bonus Shock Damage, and Damage received passes through the Shield.

Nova – When Energy Shield breaks, triggers a Nova that deals Damage (11,154 @ Lvl 50)
1 of:
- Adaptive - When equipped, grants +% Maximum Health. When Shield is active, grants +% Resistance to the last Damage type received for 3s
- Turtle - When equipped, grants +% Shield Capacity and -% Maximum Health
- Spike - When receiving Melee Damage while Shield is active, X Damage is reflected back to enemies
- Berserker - When Energy Shields are empty, grants +% Melee Damage
- Capacity - When equipped, grants +% Shield Capacity
- Resistant - When Shield is active, grants +% Resistance to Elemental Damage

The flavor text is a pun based on the phrase "resistance is futile" and electrical resistance.