Dul'gin Fire Bolt

You hurl a mote of purple flames at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 2d10 fire damage. A flammable object hit by this spell ignites if it isn't being worn or carried.

This spell's damage increases by 2d10 when you reach 7th level (4d10), 13th level (6d10), and 19th level (8d10).