the great wizard in training shouted out at the tops of his lungs : widdershins , widdershins , a widdershins night all the children dance and shout , circle left nine times yes we do quagga-tail switch , abide and heed my callings ceiling falling your powers i 'm calling seal the way shut for now qugga-tail switch show me how two strong white lightning bolts shot out from the wooden tip , directly striking a massive boulder hanging dangerously above where louis was standing .