Black Abishai

Medium Fiend (Devil), Lawful Evil

STR
14 (+2)
DEX
17 (+3)
CON
14 (+2)
INT
13 (+1)
WIS
16 (+3)
CHA
11 (+0)
Devil's Sight.

Magical darkness doesn't impede the abishai's darkvision.

Magic Resistance.

The abishai has advantage on saving throws against spells and other magical effects.

Creeping Darkness (Recharge 6).

The abishai casts darkness at a point within 120 feet of it, requiring no spell components or concentration. Wisdom is its spellcasting ability for this spell. While the spell persists, the abishai can move the area of darkness up to 60 feet as a bonus action.

Actions

Multiattack.

The abishai makes one Bite attack and two Scimitar attacks.

Bite.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d10 + 3) piercing damage plus 9 (2d8) acid damage.

Scimitar.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) force damage.

Bonus Actions

Shadow Stealth.

While in dim light or darkness, the abishai takes the Hide action.

Find this creature in the encounter builder

Black Abishai

Source: Mordenkainen Presents: Monsters of the Multiverse, p. 38 - Licenses and attribution