Burning Touch. Anything flammable that the mephit touches immediately bursts into flames.

Death Burst. When the mephit dies, it explodes in a burst of fire. Each creature within 5 feet of the mephit must make a DC 11 Dexterity saving throw, taking 7 (2d6) fire damage on a failed save, or half as much on a successful one.

False Appearance. While the mephit remains motionless in a fire it is indistinguishable from the rest of the fire.

Innate Spellcasting (1/Day). the mephit can innately cast scorching ray, requiring no material components. Its innate spellcasting ability is Charisma.

Water Susceptibility. Whenever the mephit comes into contact with water, for each gallon it touches it takes 2 (1d4) cold damage up to a maximum of 12 (5d4) cold damage as well as it then has disadvantage on all rolls until the end of its next turn.

Claw. Melee Weapon Attack: +3 to hit, one creature. Hit: 3 (1d4+1) slashing damage plus 3 (1d6) fire damage.

Fire Breath. The mephit exhales a 15 foot cone of fire. Each creature wothin the area must make a DC 11 Dexterity saving throw, taking 7 (2d6) fire damage on a failed save or half as much on a successful one.