After the conversation between father and son, Naruto dons his Tailed Beast Mode shroud as he plans to attack Obito with renewed vigour. Before so, Tobirama reminded the latter that only senjutsu-based attacks can damage the Ten-Tails' jinchūriki, causing Naruto to panic since he has forgotten already. Inside Naruto's mind, Yang-Kurama tells Naruto that since both of them are on friendly terms, Naruto can use Sage Mode whilst using its power similar to the time the young shinobi conversed with Nagato.
On the other hand, Yin-Kurama also tells Minato that he can also under-go a full Tailed Beast Mode transformation to provide powerful support for his son. Following the advice of the beast, Naruto goes full Tailed Beast Mode in sync with his Sage Mode while Minato unleashes his Tailed Beast Mode as well. Minato, with Naruto's help, prepares a large-scale, senjutsu-infused Rasengan, and with Tobirama's Flying Thunder God Technique, quickly slams it unto Obito, who uses chakra arms and a fluid barrier to repel the attack. Noting the barrier's durability, Naruto and Minato pool their strengths together to form a senjutsu-infused Tailed Beast Ball to destroy the opponent's defences. Meanwhile, Sasuke, along with the surviving shinobi, watch the battle as the Uchiha ponders just how far Naruto had come. Obito then undergoes his own tailed beast transformation planning to continue the Eye of the Moon Plan, shocking Madara who was still battling Hashirama.
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Orochimaru and the five Kages arrive, but they didn't get a chance to do much in this chapter other than to show up. Naruto and everyone else were feeling lost and hopeless, but Sasuke rallies the troops... or at least gets Naruto going by starting to chop down the Shinju. We'll just have to see how well Naruto, Sasuke and allies can chop down the giant tree. They only have 15 minutes to do it apparently. In other news, Madara is planning to overpower Obito and take over control of the Shinju, although I'm not sure how he'll do that given Obito has control of the Shinju and all of it chakra, and let's not forget that Madara is still fighting Hashirama. Madara must have a trump card of some sort if he thinks he can still take down Obito at this point.
Naruto 648 Spoiler Trivia: Kaguya Ōtsutsuki name and title are likely references to Princess Kaguya, the main character from The Tale of the Bamboo Cutter (竹取物語, Taketori Monogatari), which is said to be one of the oldest Japanese legends in written record. According to the legend, Princess Kaguya wears the hagoromo (羽衣, “feather robe”) when she returns home to her kingdom. Her last name literally means Big Cylinder Tree (大筒木, Ōtsutsuki).
