Air Slash

You send forth a condensed line of air at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d8 bludgeoning damage. When hit the target is knocked back 5ft.

This spell's damage increases by 1d10 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8). This spell's knock back increases by 5ft when you reach 5th level (10ft), 11th level (15ft), and 17th level (20ft)