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Blurring assault
rogue attack 19

Requirement: wielding a light blade.
effect: You shift half your speed. Make the following attack against each enemy you move adjacent to. No enemy can be attacked more than once from a single use of this power.

Target: one creature

Attack: Dexterity vs. AC

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

Miss: "Half damage."

Effect: you slide the target 1 square.[MP2:68]

Blurring assault is a daily power available to rogues at 19th level.