Concussive bolt

 you form and shoot a red bolt of pure concussive force. Make a ranged spell attack. On a hit, the target takes 1d8 Thunder damage. the target is also pushed 10 ft back.

At Higher Levels. This spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).