Backstab

You get +2 to Attack with a melee weapon against an opponent who doesn't know you are there. The most straightforward way to use this power is to first Create an Advantage using Stealth. Then when you Invoke the resulting Aspect, you get this +2 bonus in addition to the normal benefits of the Invocation.

Note: This Stunt can be used with any melee weapon, not just a stabbing weapon. You can backstab with a club!