Many assassins had following nightmare... Going in group to beat a dragon and being completely useless. The most experienced assassins can be helpful now. With this skill you are able to hit a nonhumanoid creature quite hard. You are watching the fight in depart and you are waiting for your chance. You are watching the rest of fighters and you could see weaknesses of your opponent. And suddenly - when is good time for combat skill - you will strike. And this will hurt!

See also: jab, powerstab, arterial attack, depart, wait for a chance