borderline human. It's her aggregate speed that's metahuman. Look—humans can throw a 100 miles-per-hour fastball, smash concrete blocks with their heads, and run 4.2 forties. What they can't do is all of that at once. It's not so much physical as... as mentally impossible. Too much to coordinate." Her upbringing using body language as her exclusive mode of communication also had the effect of enabling her to "read" minute changes in an opponent's expressions, breathing, muscles, joint position, and center of gravity which in turn allows her to see or "predict" an opponent's moves before they happen. It is possible this ability is only partially the result of her upbringing and that there is a genetic predisposition to it, since Lady Shiva, Cassandra's mother, is the only other martial artist known in the DC universe to have this ability. When a telepath "rewired" Cassandra's brain to allow her speech, this had the unintended consequence of blocking her ability to "predict" attacks, as though her ability to comprehend physical language was traded for her ability to speak and read. Eventually, Lady Shiva helped her to regain this ability, but how this was done is never revealed. Cassandra also exhibits extraordinary resistance to pain. On more than one occasion, she has been described as "being able to take a bullet wound and not even bat an eye," due to additional training received as a child. Language skills As a side effect of her father's training, Cassandra's brain developed learning functions different from most. Having been brought up by Cain deliberately without speech, the communication centers of her brain learned body language instead of spoken or written language. Thus, she originally had as much trouble learning spoken and written language as a normal individual would have in learning body language. Although she was able to learn some very basic things ("no", "yes", "me") the same way a normal person can learn to recognize smiles and frowns, it took a telepath "rewiring" her brain to teach her to speak and understand English. Even then, she only spoke with extreme difficulty (very falteringly, short sentences with long pauses, frequently using the wrong words, etc.). In Batgirl #67 (October 2005), Oracle performed a number of tests on Cassandra, determining the severity of the problem: "The language centers of your brain are all over both hemispheres. Not centralized like with most people. When you try to read