Mummy Lord

If the monster fails a saving throw, it can choose to succeed instead.

If destroyed, the monster gains a new body in 24 hours if its heart is intact, reviving with all its Hit Points. The new body appears in an unoccupied space within the monster's lair. The heart is a Tiny object that has AC 17, HP 10, and Immunity to all damage except Fire.

The monster has Advantage on saving throws against spells and other magical effects.

. . 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.

The monster makes one or attack, and it uses .

The monster casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC , +9 to hit with spell attacks):
At Will: Dispel Magic, Thaumaturgy
1/Day Each: Animate Dead, Harm, Insect Plague (level 7 version)

. .

Wisdom Saving Throw: DC , one the monster can see within feet.
Failure: damage, and the target has the Paralyzed condition until the end of the monster's next turn.

Trigger: The monster is hit by an attack roll. Response: The monster adds 2 to its AC against the attack, possibly causing the attack to miss, and the monster teleports up to . . Each creature of its choice that it can see within . of its destination space has the Blinded condition until the end of the monster's next turn.