Wind Fist

creates a sudden force of air that deals 1d6[bludgeoning] damage in a line up to 30 ft long.

Creatures farther than 15 ft away from you receive damage -1. Creatures closer than 15 ft from you need to succeed a Strength saving throw or be pushed 10 ft away from you. If the creature hits an object that is not wooden or of similar hard or softer material: takes an additional 1d4[Bludgeoning] damage. (Any other object will be destroyed in the creatures path)

The spells damage Increases by 1d6 when your reach 5th level (2d6), 11th level (3d6) and 17th level.