Heated Body. A creature that touches the flame atronach or hits it with a melee attack while within 5 feet of it takes 5 (1d10) fire damage.   Illumination. The flame atronach sheds bright light in a 10-­foot radius and dim light for an additional 10 feet.   Explode on Death. The flame atronach explodes in a sphere of flames upon its death, any creature within 10 feet of the flame atronach when it dies must make a Dexterity saving throw, taking 2d10 fire damage or half as much on a successful save.