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Hammering Volley
Ranger Attack 13

Pulling back on your bow with great effort, you unleash a pair of arrows that slam your foes into the ground.

Ranged weapon

Target: One or two creatures

Attack: Dexterity vs. Fortitude, one attack per target. If you target one creature, you gain a +2 bonus to the damage roll. If you target two creatures, you take a -2 penalty to both attack rolls.

Hit: 2[W] + Dexterity modifier damage, and you knock the target prone.

Hammering Volley is an encounter power available to rangers at the 13th level.[MP:50]