The Doctor slips his hand in Donna's. "Castiel is right; we're of no match to that thing, Donna. There's no way we could help; if anything, it'll kill us too. C'mon, now."

He hated it. This wasn't him, this wasn't the Doctor. The man who was told with a snap of his fingers, could open the TARDIS doors. The man who's name was spoken across the universe. He hated what this place had made him become, and he was horribly aware of his limitations now more than ever.