You know what I am." The words breathed out in an auguished...

You know what I am." The words breathed out in an auguished whisper. "I'm part demon, Clary. Part demon. You understood that much, didn't you?" His eyes bored into her like drills. "You saw what Valentine was trying to do. He used demon blood-used it on me before I was even born. I'm part monster. Part everthing I've tried so hard to burn out, to destroy.