Throne with thorns

A little boy who was considered outcast, have found a Stone friend. He suffered the consequences of his late parents' sin. He was not allowed to mingle with people but a friend Stone came to his rescue. He has not only emerged as king but a wealthy emperor as well. As the saying goes, he who received from the devil with left-hand must surely given to him by the right-hand. People were happy but less did they know that the friend Stone was going to seek revenge.