Telekinetic Push

When an enemy makes a melee attack against you, you can take a reaction to try to push the attacker back 15 feet. on a failed save the target will take 1d6 force damage and fly back 15feet potentially going prone (discuss with your DM) if the target makes the save they only take the 1d6 damage. 

the target must make a (DC: 13 Strength save)