Borrowed Magic book 3

Long, long ago, in the kingdom of Perth there was a mage. That mages name was Bango Bonesong. He grew powerful, so much so that he attempted to cheat death. Some say he succeeded. But 7 years ago, he returned to light. Just letting you know, this isn't the "darkened mage comes back and tries to kill everyone and the hero has to stop him" story. To tell this story properly, you have to understand that there are borrowed artifacts. To make a borrowed artifact, you must first conceal a magical...