Naruto Shippuden 421 see’s Naruto and Sasuke talking to Hagoromo, they tell him their desire while he gives them both Indra and Ashura’s Ninshu to allow them go try to defeat Madara before he can attain Kaguya’s power. All while Guy battles against Madara, unable to make a significant dent on him, thus he uses his most powerful technique, Night Guy releasing all his power. He’s about to die when Naruto arrives and saves him.