Monster Manual
Innate Spellcasting (1/Day). The mephit can innately cast blur, requiring no material components. Its innate spellcasting ability is Charisma.
Claws. Melee Weapon Attack: +2 to hit, reach 5 ft., one creature. Hit: 2 (1d4) 1d4 slashing damage plus 2 (1d4) 1d4 fire damage. Steam Breath (Recharge 6). The mephit exhales a 15-foot cone of scalding steam. Each creature in that area must succeed on a DC 10 Dexterity saving throw, taking 4 (1d8) 1d8 fire damage on a failed save, or half as much damage on a successful one.