Rogue Attack 3Darting Strike
You move your weapon with blinding speed, striking a foe who didn’t realize it was open to an attack.
Encounter Martial, Weapon
Opportunity Action Melee 1
Prerequisite: You must be trained in Acrobatics.
Trigger: An enemy within 2 squares of you makes a ranged or area attack, or moves without shifting or teleporting
Effect: You shift 2 squares to a space adjacent to the enemy and make the following attack with combat advantage.
Target: The triggering enemy
Attack: Dexterity vs. AC
Hit: 1[W] + Dexterity modifier damage.
Published in Dragon Magazine 381, page(s) 80.