D&D4 Wiki
Swift strike
rogue attack 9

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

Target: one creature

Attack: Dexterity vs. AC

Hit: "3[W] + Dexterity modifier damage. If the target has not taken an action during this encounter, the attack deals 1[W] extra damage."

Miss: "Half damage."[MP:79]

Swift strike is a daily power available to rogues at 9th level.

It is considered a weak choice, as it is useful for an opening salvo but is just a generic attack if you didn't act first.[1]