[Cassandra isn't wrong -- even Maya would have to agree with that.]

Exactly. It's an extremely delicate balance. You cannot overact in a way that covers up your poor swordwork, just as you cannot slash your blade enough to cover up a blundered line. The audience is intelligent -- to treat them as any less would be an insult. Thus, whether it's delivering a final line or striking a killing blow, you must do so with every fiber of your being.

It must be believed.