Mummy is a Medium or small undead with lawful evil alignment and Challenge Rating 3 in the 2024 SRD. This stat block includes AC 11, 58 hit points, speeds, traits, and actions.
Multiattack - The mummy makes two Rotting Fist attacks and uses Dreadful Glare.
Rotting Fist - Melee Attack Roll: +5, reach 5 ft. Hit: 8 (1d10 + 3) Bludgeoning damage plus 10 (3d6) Necrotic damage. If the target is a creature, it is cursed. While cursed, the target can’t regain Hit Points, its Hit Point maximum doesn’t return to normal when finishing a Long Rest, and its Hit Point maximum decreases by 10 (3d6) every 24 hours that elapse. A creature dies and turns to dust if reduced to 0 Hit Points by this attack.
Dreadful Glare - Wisdom Saving Throw: DC 11, one creature the mummy can see within 60 feet. Failure: The target has the Frightened condition until the end of the mummy’s next turn. Success: The target is immune to this mummy’s Dreadful Glare for 24 hours.