Liria Valthorin's Silverlight Riposte
Your guard never falters, foiling the blades of sneaks and assassins.
Grandmaster Training 9,000 gp
Power Encounter (Immediate Interrupt)
Trigger: You are hit by an attack while you grant combat advantage.
Effect: Negate any extra damage or effects that are a result of you granting combat advantage for the triggering attack.
Published in Dragon Magazine 386, page(s) 66.