Ring of Mind Shielding. Wuldric wears a ring of mind shielding, which prevents his thoughts from being discerned by magical means. If he dies while wearing this ring, his soul would become trapped within.

Spellcasting. Wuldric casts one of the following spells, using Charisma as the spellcasting ability (spell save DC 13 +5 to hit with spell)

At will: detect magic, disguise self, mage armor, mage hand
1/day each: ray of enfeeblement, hellish rebuke, hold person, counterspell

Multiattack. Wuldric makes two Mace or Blood Bolt attacks.

Mace. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 2) bludgeoning damage. 

Blood Bolt. Ranged Spell Attack: +5 to hit, range 120 ft., one target. Hit: 14 (2d10 + 3) necrotic damage.

 Hematoxic Coagulation. Wuldric targets one creature he can see within 60 feet of him. The target must make a DC 13 Charisma saving throw. On a failed save, the takes 12 (2d8 + 3) necrotic damage and is paralyzed until the end of Wuldrics next turn. On a succesful save, the target takes half as much damage and isn`t paralyzed.