Callo's skin felt sunburned, and there was an acrid odor in the air. He looked around in the dusk and saw that he stood at the center of a blackened ring. He held his fingers up in front of his face and saw that they were blistered, the fingertips cracked and reddened. The wild magery had escaped his control and burned everything around him. He was fortunate he had not set the mountaintop ablaze. * * * The walls Callo has maintained...