During the next 1d6 hours, the victim suffers 1d4 points of Intelligence damage each hour. The transformation is complete 1d6 hours thereafter, when the victim's head breaks free of the body (which promptly dies) and becomes a vargouille. This transformation's progress is paused by sunlight or any light spell of 3rd level or higher, but stopping the transformation requires remove disease or a similar effect. The transformation is a disease effect.