The Ghosts of Chaos - The Magical Intervention Agency, #5

Daniel Hammer's adventure appears to be coming to a rather shocking end after he's stripped entirely of everything that makes him the Son of Chaos. Daniel's powers are taken completely by the powerful foe known as the Chaos Ghost. This places Daniel in critical condition, with his friends fighting to help bring him back from the brink of death. In a high-stakes race against time, they must decide what lines they're willing to cross to save the ones they care about and stop a foe threatening to tear their world apart while contending with a sinister plot against Daniel Hammer.