Crocodile Headed Mummy

Unusual Nature. The mummy doesn't need air, food, drink, or sleep.

Multiattack. The mummy uses Dreadful Glare and makes one Rotting Fist attack or makes two Shortsword attacks. If the mummy makes both Shortsword attacks against the creature, it can make a Bite attack against the creature as a bonus action. 

Bite. Melee Weapon Attack: + 7 to hit, reach 5 ft., one creature. Hit: 7 (1d8 + 3) piercing damage, and if the target is Medium or smaller, it is grappled (escape DC 15). Until this grapple ends, the target is restrained, and the mummy can't bite another target.

Rotting Fist. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) bludgeoning damage plus 14 (4d6) necrotic damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points, and its hit point maximum decreases by 14 (4d6) for every 24 hours that elapse. If the curse reduces the target's hit point maximum to 0, the target dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic.

Shortsword. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) slashing damage plus 10 (3d6) necrotic damage.

Dreadful Glare. The mummy targets one creature it can see within 60 feet of it. If the target can see the mummy, it must succeed on a DC 14 Wisdom saving throw against this magic or become frightened until the end of the mummy's next turn. If the target fails the saving throw by 5 or more, it is also paralyzed for the same duration. A target that succeeds on the saving throw is immune to the Dreadful Glare of all mummies (but not mummy lords) for the next 24 hours.