Protoplasm Harness

Stats

Values as the League of Legends Wiki's item data lists them, for every mode; the data doesn't state their units.

Effects

• Lifeline (unique): If you would take damage that would reduce you below 30% of your maximum health, you first gain 100 to 300 bonus health for 5 seconds and heal yourself for 100 to 400 (+ 175% bonus armor) (+ 175% bonus magic resistance) over the same duration, during which you also gain 15% increased size, 10% bonus movement speed, and 25% tenacity.³

Arena changes

• Lifeline health regeneration bonus armor ratio changed to 300% bonus armor.
• Lifeline health regeneration bonus magic resistance ratio changed to 300% bonus magic resistance.⁴

• Protoplasm Harness can be decent on certain tanks.⁵

With Braum, repeated W casts can grant stacking resistances that increase Protoplasm Harness's healing; Protein Shake's heal and shield power can further scale the healing.⁶

A Malphite build with Protein Shake, Dark Steel Talons, Shield of Molten Stone, Sword of the Blossoming Dawn, and Protoplasm Harness can provide high healing and keep allies alive.⁷

Earlier formats

With Rammus and high resistances, Protoplasm Harness can restore health after its trigger and help him outlast opponents in the fire.⁸ 8x2 duos

• Protoplasm Harness had no clear use case for some players.⁹ 8x2 duos
• Protoplasm Harness was among the items that could use improvement.¹⁰ 8x2 duos