''Removes 30% of your hp over the course of the duration.''
This can be used at low level builds if you use your stats right: https://mugenmonkey.com/darksouls3/120701
TLDR: Always have 10 vigor and unembered
Max heal while in power within 10 hp per second: Bountiful Sunlight, Sun Princess Ring, any Chime weapon art. (invasions at around undead settlement because level 21)
Nullify power within damage the cheapest way: Bountiful Light, Sun Princess Ring (invasions in high wall of lothric because level 11)
I did not put blessed weapons in there but they wont heal you almost at all because you need to upgrade them to make their healing delay better. You can also wear full thorns armor but hey that's just being an *** Kappa