"Doctor." Leaning forward, the Metacrisis Doctor rested his elbows on his knees and folded his hands together to support his chin. "There's nothing we can do about that. No way to prevent it from happening. The war is Time Locked. We can't change it, now. If we tried ... I've seen what happens, when someone breaks through and then comes out again on the other side. There's nothing but madness to be found there."