He'll notice that her abilities are a similar form of 'magic' employed by monks, ninjas, and other highly-trained individuals, who draw on internal sources of power, and that she's quite powerful; the abilities he saw displayed were on par with some of the higher level spells, and she'd likely be close to Aviendha's equal in direct combat.<br/><br/>She pants heavily, as she floats down to the ground and lands next to him; surprisingly, she's smiling, and looks quite energetic. "Hi! I'm Katrina!" She extends her hand, the one carrying the 'shield', which he'll notice is actually a fake; little more than a stiffened piece of cloth, attached to her arm. "Don't worry about it... it was just a simple fight. The big thug thought that a little girl, all by herself would be easy prey! Guess I showed him, huh?" She grins and giggles. "And who are all of you?"