Brimaz

Evasion. If Brimaz is subjected to an effect that allows it to make a Dexterity saving throw to take only half damage, he instead takes no damage if he succeeds on the saving throw, and only half damage if he fails. He can’t use this trait if he's incapacitated.

Innate Spellcasting. Brimaz's spellcasting ability is Charisma (spell save DC 14). He can innately cast the following spells, requiring no material components:

Cantrips (at will): [Tooltip Not Found](3 beams),infestation(4d6) 

1/day each: banishment, detect evil and good

1st level (1 slot): command, hellish rebuke

Dark One’s Blessing. When Brimaz reduces a hostile creature to 0 hit points, he gains 4 temporary hit points.

Multiattack. Brimaz makes three weapon attacks.

Longsword. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (1d8 + 4) slashing damage.

Dart. Ranged Weapon Attack: +7 to hit, range 20/60 ft., one target. Hit: 6 (1d4 + 4) piercing damage.