The tassels on his mask jiggled to and fro as he shook his head. "This sense... is like being in a very loud and noisy room, and trying to pick out the soft fluttering of wings from far away. There is much which I can 'hear,' but the problem is in recognizing the 'sounds.' This is what is difficult -- but great disturbances are easier to find than others, as when jou draw magic through jour horn."