Aldred's Spontaneous Combustion

You focus magical energy into 1 target you can see, setting it ablaze. The creature must make a dexterity saving throw. A target takes 6d8 fire damage on a failed save or half that on a successful save.

At Higher Levels: When casting this spell using a 4th level spell slot or higher add an additional 1d8 for every level above 3rd.