A simple gaze was projected at the Thief, but displayed no interest at this point. Whether he stole something was of his concern, unless it formed danger. The disciple had more worries, certainly many more worries then him at the moment. "I wouldn't mind helping you locate this Black Knight, but certainly...poses a threat? Is he a danger to my town, or others?" the gentleman asked, curious, and lacking the proper information he needed to search for this...Knight.
The boy had been working on his boundaries as a magician, and seeing what peaks he could reach. Every man had their limitations though, they were mortal, after all. One of the things were obviously feeling frequency based on magical auras. This was something every magician could do, depending on how they honed their power, and felt resonance.