Concussion Push

Use a sound wave to push yourself in any direction up to double your waking speed, when landed make a CON saving throw of 13 if failed make a 1d4 force damage and you are concussed for your turn and the next 2 after yours end your turn, if succeeded nothing happen and you are free to attack as if this was a movement. Large creatures can only move their speed and small creatures can move up to triple, tiny may move 3 1/2 times their speed.