D&D4 Wiki
Crimson edge
rogue attack 9

Requirement: wielding a light blade

Target: one creature

Attack: Dexterity vs. Fortitude

Hit: "2[W] + Dexterity modifier damage, and the target takes ongoing damage equal to 5 + your Strength modifier and grants combat advantage to you (save ends both)."

Miss: "Half damage, and no ongoing damage."[PH:121]

Crimson edge is a daily power available to rogues at 9th level.