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Bewildering assault
rogue attack 9

Requirement: wielding a crossbow, a light blade, or a sling.

Target: one creature from which you are hidden

Attack: Dexterity vs. AC
Cunning Sneak: If you have total concealment or superior cover, you remain hidden after the attack.

Hit: "2[w] + Dexterity modifier damage, and you slide the target 2 squares. The target gains vulnerable 5 to all damage (save ends)."

Miss: Half damage, and you slide the target 1 square.[MP2:63]

Bewildering assault is a daily power available to rogues at 9th level.