The Hammerer's Training

The court wizard impact hammer decided to pass the annual royal check on who the strongest and most agile among them. They were ordered to beat the heavy balls full of stones from the wall. To your player presented the terms on tighter. He needs to constantly beat the subject, so that it does not fall into the hands of enemies. The task is not easy, because if one competitor can handle easily, then the two - will have to try hard to get through the round.