Buel, the Infernal Minion

Swarm Tactics. The Buel has advantage on an attack roll against a creature if at least one of the Buel's allies is within 5 feet of the creature and the ally isn't incapacitated.

Multiattack. The Buel makes two attacks.

Infernal Claw. Melee Weapon Attack: +5  to hit, reach 5 ft., one target. Hit: (2d6 + 3) slashing damage plus (1d6) fire damage.

Wing Slash. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: (2d6 + 2) slashing damage.

Fira (Recharge 5-6). The Buel exhales fire in a 15-foot cone. Each creature in that area must make a DC 13 Dexterity saving throw, taking (2d10) fire damage on a failed save, or half as much damage on a successful one.

Demonic Presence. The area around the Buel becomes suffused with infernal energy. Each creature within 10 feet of the Buel must succeed on a DC 11 Wisdom saving throw or become frightened until the start of its next turn.

Fiendish Escape. When the Buel takes damage, it can use its reaction to teleport up to 30 feet to an unoccupied space it can see. Does not invoke opportunity attacks.