Blast of Steam v.2

A blast of steam 60 feet long blasts from you in a direction you choose. Make a ranged spell attack against the target. On a hit, the target takes 1d4 fire damage and 1d4 piercing damage.

This spell's piercing damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).