"Blood loss," John growled at him and debated whether or not it was worth shoving Midnight off of him. Instead he sank down into the mattress and took a few deep breaths. "The symbol on my right shoulder is weak," he said a moment later, rolling his shoulder on what was left of the skin and determined not to think about the fact that he was telling Midnight how to bind him, should he ever need it. "The cracks in the spell would start there, if they were going to."