Black Lotus

You hurl a black flower at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 2d10 fire damage and 1d8 necrotic damage. 

This spell's damage increases by 1d10 and 1d8  when you reach 5th level (3d10 + 2d8), 11th level (4d10 + 3d8), and 17th level (5d10 + 4d8).