There is no fooling Rook. He has made it his specialty to read people through his own methods. He has studied the various subtle movements people make and, as a quick study, deduce their body language. A simple twitch of a finger, a small frown, a brush of the hand... These are all the clues he needs to know if someone is lying. Plus, he is proficient in 14 languages. He is so good at what he does that people have long since stopped playing poker with him anymore. After all, what would be the point in bluffing?