Drive Back

Attack
Actions: 1

You attempt to force back a standing creature. Make an attack roll vs the target’s weapon skill. On a hit, the target backs away from you by 5 feet. As part of this attack, you can move 5 feet in the direction of the target.

If the target is larger than you, then you suffer -1d per size category between you.

If the target is smaller than you, you have +1d per size category between you.