Distracting Blow

Description
Swipe your weapon at the target, dealing no damage but disrupting the target's current action (and the actions of foes adjacent to your target).

Acquisition

 * Ice Tooth Cave: Trainer, Marna
 * Lion's Arch : Trainer, Firstwatch Sergio
 * Sage Lands: Signet of Capture, Euhh Snickersnak
 * Perdition Rock: Signet of Capture, Skintekaru Manshredder