User blog comment:CNBA3/Super Big Theory!/@comment-7418318-20131026210239/@comment-7418318-20131027081311

If it was the strength they felt from the Demons that made them freeze, why didn't they react the same way or even more so when Acnologia came at them?

I think it's save to assume that Acnologia, even when it was holding back is still leagues more powerful than those rubble Demons.