"And a witch used what was to hand, too. All that fiddlin’ with coloured candles and crystal balls and whatnot, that was fine for them as needed it, but at a pinch you use what you could reach. In this case she reached down and lifted the heavy wooden lid of the well and looked down into the dark waters. There was nothing there. But there was never anything in a crystal, either. There was simply emptiness, which said: fill me up."