Mummy rot is both a curse and a disease. Successful saves negate further damage but do not allow a character to recover. Only breaking the curse and magical healing can save a character.
Onset: 1 minute; Frequency: 1/day
Effect: 1d6 Con damage and 1d6 Cha damage
Cure: Mummy rot can only be cured by successfully casting both remove curse and remove disease within 1 minute of each other