Harry felt a cool shiver prickle around his body. It was a shiver of something like triumph. It was the genus of a plan, the roots of a solution to a problem that he’d no idea how to solve. The reanimated Dumbledore was super-powered, possibly unbeatable by any craft or magic that Harry or his allies possessed. But perhaps Harry had been going about this all wrong. Perhaps it wasn’t a spell or a sword he needed to defeat Voldemort’s greatest champion.