Great Ram Arrow
Ranger Attack 19
You loose an arrow that pierces your foe, hurls him back, and knocks him off his feet.
Ranged weapon
Target: One creature
Attack: Dexterity vs. AC
Hit: 3[W] + Dexterity modifier damage. in addition, you push the target a number of squares equal to your Strength modifier, and it is knocked prone.
Miss: Half damage, and you push the target 1 square and it is knocked prone.
Great Ram Arrow is a daily power available to rangers at the 19th level.[PH:111]