Descripción
You infect a creature you can see within range with a magical disease in the form of a malignant parasite. Once per turn when a creature hits the infected target with a weapon attack, that attack deals an additional 4d6 necrotic damage, and the attacker regains hit points equal to the necrotic damage dealt. Each time the infected target takes this necrotic damage, it makes a Constitution saving throw against the spell. If the saving throw succeeds, the spell ends.