Angelus

Anti-Magic Field Angelus has a 5ft. sphere of Anti-Magic making it immune spell attacks. 

Spellcasting Angelus is a 8th-level spellcaster. Its spellcasting ability is [Charisma] (spell save DC 15, +5 to hit with spell attacks). Angelus has the following spells prepared:
Cantrips (at will): [Eldritch Blast], [Toll the Dead] 

1st level (4 slots): [Bane], [Ray of Sickness]

2nd level (3 slots): [Crown of Madness], [Ray of Enfeeblement]

Withering Touch Range Touch., Angelus touches another creature. The target must make a DC 15 Constitution saving throw, taking 22 (2d10 +2) necrotic damage on a failed save, or half as much damage on a successful one.

Wings Every creature in a 10ft. radius has to make a DC 15 Dexterity saving throw taking 16 (4d4) slashing damage on a failed save and half as much on a succesful one.

Eldritch Longsword Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 16 (1d12 +4) slashing damage, and the target must make a DC14 Wisdom save. On a failed save, the target must roll on the Short-Term Madness table. On a successful save, the target becomes immune to this effect for 1 minute.

Eldritch Lash: If a creature miss its attack, Angelus can lash out with the eldritch energy stored inside of it. The attacker must make a Dexterity Saving Throw DC 15 or take 2d10 Force Damage and be knocked back 10 ft.