Anashaël, embodiment of Death

Legendary Resistance : (3/day) When Anashaël fails a saving throw, he can choose to succeed instead. 

Angelic Weapons. The planetar's weapon attacks are magical. When the planetar hits with any weapon, the weapon deals an extra 5d8 necrotic damage (included in the attack).

Flyby. The angel doesn't provoke an opportunity attack when it flies out of an enemy's reach.

Divine Awareness. Anashaël knows if it hears a lie.

Innate Spellcasting. Anashaël's spellcasting ability is Charisma (spell save DC 21). It can innately cast the following spells, requiring no material components:

At will: Shadow of Moil, Guiding Bolt, command,  (as a 2nd-level spell), Suggestion, Ice Knife(as a 2nd-level spell), Invisibility

3/day each: Circle of Death, Raise Dead, Danse Macabre

1/day each: Power Word Kill, Finger of Death

Magic Resistance. Anashaël has advantage on saving throws against spells and other magical effects.

Multiattack. Anashaël uses Chains of Death  then makes two attacks with its scythe.

Scythe. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 12 (2d4 + 7) slashing damage plus 26 (6d8) necrotic damage.

Chains of Death. The angel targets one creature that it can see within 90 feet of it. The target must succeed on a DC 21 Wisdom saving throw or become paralyzed for 1 minute or until it takes any damage. This can't be used if another creature is already suffering this effect.

Anashaël can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn.

Scythe. Anashaël makes one Scythe attack.

Minor Spell. Anashaël casts an at-will Spell.

Fly. Anashaël move up to its flying speed.

Healing(Costs 2 actions). Anashaël touch a creature.The target magically regains 30 (6d8 + 3) hit points and is freed from any curse, disease, poison, blindness, or deafness.