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Blade vault
rogue attack 3

Requirement: wielding a light blade

Target: one creature

Attack: Dexterity vs. AC

Hit: "1[W] + Dexterity modifier damage. For every square you shifted as part of this power, the attack deals extra damage equal to your Strength modifier."[MP:75]

Effect: Before the attack, you can shift 2 squares. If you are trained in Athletics, ignore difficult terrain during the shift.

Blade vault is an encounter power available to rogues at 3rd level.