Belanor the Death Priest

Morbid Weapons. The priest's weapon attacks are magical. When the priest hits a creature with a melee weapon attack, it deals an additional 9 (2d8) necrotic damage.

Masters Gaze. Any undead within 120ft of the Priest are immune to being frightened and turned.

Spellcasting. The Priest is a 5th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 13, +5 to hit with spell attacks). The Priest has the following Cleric spells prepared:
Cantrips (at will): chill touch, spare the dying, thaumaturgy 
1st level (4 slots): false life, inflict wounds, ray of sickness 
2nd level (3 slots): blindness/deafness, ray of enfeeblement 
3rd level (2 slots): animate dead, vampiric touch

Mace. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 3 (1d6) bludgeoning damage.

Undead Apparation. If the priest is attacked. it can use its reaction to have an undead it can see take the damage instead.

The Priest can take 2 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 Priest regains spent legendary actions at the start of its turn.

Summon Zombie. (Costs 2 Actions). A Zombie creature appears from a pile of bodies the priest can see.

Consume Undead. The priest can destroy any undead it can see with 10 hit points or less and heal 10 hit points.

Flee. The priest moves up to its speed without provoking opportunity attacks.