Burning Rush

You engulf yourself in flame and Dash throw everything with incredible speed knocking in a line for 60 feet in front of you and 5 feet wide. The target in the radius must make a dex save. On a fails the takes 4D8 fires damage and be knock prone or half as much damage on a succesful one and not be prone.

At higher levels. When you cast this spell using a spell 3rd levels or higher you do 1D8 more damage