Gholes are immune to all forms of disease. Inured to Undeath. Gholes have resistance to necrotic damage caused by undead and are immune to having their maximum hit points reduced by an undead. Savage the Sick. A ghole has advantage on attacks against a creature that is diseased. Scent Sickness. The ghole senses any diseased creature within 30 feet, with the benefits of blindsense.