He utterly destroyed mecha Pein with one punch, wicked. If he can somehow kill the Pein that can revive the others next I wouldn't be surprised to see Pein retreat for now. If the battle goes to the end they need to find the real Pein, Nagato or Yahiko whoever the person with the original Rinnegan was. He should be close by the village as stated before.
Sorry for not posting chapter 429, I completely forgot to since I looked at what TF members had to say about it.