Pristine Tincture of Mortality

Legendary Poison (Injury)

Supreme Healer’s Bane. When a creature is subjected to Distilled Tincture of Mortality, they have to make a Constitution saving throw (DC 20). On a failed save they take 8d8 Necrotic damage and they cannot regain any hit points until they are the target of a Greater Restoration spell or similar magic

Variant of
Tinctures of Mortality