He might simply not qualify anymore—Maintaining the prerequisite spiritual purity over the course of six centuries, and however many attempts on his life is likely to have proven impossible. If this is the case, the rite will work for Hermione.. and a fair few of the other characters.
Good point, it could easily be a one-off thing. Kind of like he phoenix, only with goodness or purity instead of courage. And you need to be performing some alchemical process at the time, I guess.
He might simply not qualify anymore—Maintaining the prerequisite spiritual purity over the course of six centuries, and however many attempts on his life is likely to have proven impossible. If this is the case, the rite will work for Hermione.. and a fair few of the other characters.
Good point, it could easily be a one-off thing. Kind of like he phoenix, only with goodness or purity instead of courage. And you need to be performing some alchemical process at the time, I guess.