Hollow are the Ori
Somewhere in the Ori-galaxy there was a little girl, which didn't listen to her parents. So when she was allowed to take part in the daily "Hallowed-are-the-Ori-Thing", she did it wrong and said: "Hollow are the Ori!"
Some of the Anti-Ori-people heard it and soon half of the inhabitants of that galaxy said it wrong. Because the Priors couldn't figure out, which ones said it wrong, they couldn't prevent it and not much later the whole galaxy said it wrong and the Oris power vanished completely.
Now free of their rule, everyone lived happily ever after!
Fin