During his meeting with Hagoromo, Naruto was taught a very powerful fūinjutsu capable of sealing something as powerful as the Ten-Tails and Kaguya.
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The blurb is a bit difficult to put down but the chapters are way better.
Using the Deva Path's chakra receivers, Naruto sought out Nagato, Pain's base mind, to finally answer his earlier question about peace.
This, however, was only a shadow clone, and the real Naruto burst from the ground beneath Neji, to deliver an uppercut and defeat him.
For the second phase, Team 7 was sent into the Forest of Death with one scroll, tasked to obtain a second scroll from another team and arrive at the forest's centre before the phase ended.