"I've been fighting for years. But always in a [i]dohyō[/i], with a referee and limits on technique. I don't doubt I am physically capable of killing, and I certainly know how. I will do it if necessary. But then I have to live with myself afterwards." Watanabe sighed. "Only in self-defense. Skylar, hold me to that. Do not let me kill people wantonly or unnecessarily."