Amaterasu

You Summon an intense black fire at a creature’s feet or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 fire damage. A flammable object hit by this spell ignites and flammable objects being worn or carried can catch on fire dealing the damage as well.

This spell's damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10), and 17th level (4d10).