[Flight, naturally, as this was purely self-defense. Surprising Greed long enough to slip away is one thing, fighting him is a different matter altogether. Klavier is also wise enough to know that words are ineffective so he doesn't waste any of the precious time given to him, making getting out of the office and closing the door behind him his top priority. It would be stupid to stop there, and soon enough he's shutting his secretary's door behind him as well leaving Greed to either stand in his office alone or come after him. Though Klavier could also see him returning home as well which was a possible third option, but he's not going to check right now. No, now is a good time to just duck into the nearest bathroom to cool his head.]
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