Blue Abishai (Red Hand of Doom)

Devil's Sight. Magical darkness doesn't impede the devil's darkvision.

Magic Weapons. The devil's attacks are magical.

Spellcasting. The abishai is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). The abishai has the following wizard spells prepared:

Cantrips (at will): mage hand, message, minor illusion, shocking grasp

1st level (4 slots): chromatic orb, expeditious retreat, charm person

2nd level (3 slots): darkness, mirror image

3rd level (3 slots): dispel magic, fear, lightning bolt

4th level (3 slots): dimension door, greater invisibility

5th level (1 slots): cone of cold

Multiattack. The devil makes two attacks: one with it's bite, one with it's claws.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 13 (2d10 + 2) piercing damage plus 7 (2d6) lightning damage.

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

Summon Devil (1/Day). The devil magically summons 7 (2d6) lemure with a 50 percent chance of success or another blue abishai (Red Hand of Doom) with a 20 percent chance of success. The summoned devil appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 10 minutes, until it or its summoner dies, or until its summoner dismisses it as an action.