You lash out with impossible speed, knocking the foe from his feet.

Encounter   ✦     Divine, Weapon
Free Action      Personal

Trigger: You hit and deal damage with an opportunity attack.

Effect: The attack knocks the foe prone, in addition to its normal effects. Until the end of your next turn, if the opponent attempts to stand, it provokes an opportunity attack from you if you are adjacent to the target.

Published in Dragon Magazine 372, page(s) 36.