Death Burst. When the abomination dies, it explodes in a burst of blood and bone as the demon violently leaves the body. Each creature within 10 feet of the abomination must make a DC 13 Dexterity saving throw, taking 2d6 necrotic damage on a failed save, or half as much on a successful save. 

Innate Spellcasting. Its spellcasting ability is Intelligence (spell save DC 13, +5 to hit with spell attacks). It can innately cast the following spells, requiring no material components. 
Cantrips (at will): charm person, fire bolt, magic missile 
1st level (2 slots): burning hands, fear, ray of enfeeblement 

Multiattack. The demon makes two attacks with its claws. 

Claws. Melee Weapon Attack: +4 to hit, reach 5 ft., 1 target. Hit: 5 (1d6 + 2) slashing damage.