"We… couldn't even do anything."
Most of the people who responded to the call of Nihon were Nobles, and everyone already knew that Nobles, very much the same as other people, were not equal to each other as some would be stronger and some would be weaker.
But right now, they have just been shown just how much different World Rankers were. It is as they said, the other people couldn't even do anything at all as the army of rampaging Rions were almost cleared out before they could even land on the ground — and when they did land, Rukawa and Rhys seemed to have taken it upon themselves to just eradicate all that was left.