MaxHearts is a fully customizable health plugin that adds permanent hearts, player progression, lifesteal, death-loss, revive tokens, heart items, trap (TNT, lava, dripstone), combat tagging, economy heart purchases, and offline support & more...
A showcase of the /sethearts command raising my health cleanly above the vanilla amount
As shown any updates ran while player is offline will apply as soon as they login
Showcasing the ability to donate health to another user plus clean use of under 10 health for a hardcore environment.