lol, its the kishi way 
i know aye but i bet nagato was tired because he performed massive chibaku tensei to which konan said " dont push yourself" and then he was coughing blood...he was pretty weakened so a normal rasengan connecting due to fatigue..i buy that hehehe
i know aye but i bet nagato was tired because he performed massive chibaku tensei to which konan said " dont push yourself" and then he was coughing blood...he was pretty weakened so a normal rasengan connecting due to fatigue..i buy that hehehe