The poisoned creature must repeat the defensive roll after a long rest, taking 3 (1d6) poison damage on a failed defensive roll. Until this poison ends, the creature cannot be healed by any means. After seven successful defensive rolls, the effect ends and the creature can heal normally.
You inspect the vial, its contents a faint, ethereal hue. Once ingested, it binds to the body like a ghostly shackle. Each day, the defensive struggle persists, draining life until liberation or demise.