Naruto Shippuuden 154

"Decryption"
"Angō Kaidoku" (暗号解読) 

The interrogation and autopsy on the captured Amegakure ninja and Pain's Animal Path body begins, respectively, as Naruto helps Shikamaru and Shiho on decoding Jiraiya's message. Naruto, having travelled and trained under Jiraiya, notices that each number, following the "Ta" katakana (that Jiraiya always wrote like the number 9), references the first character at certain pages of Jiraiya's "Make-Out Tactics" book, which Kakashi is forced to read out loud. They inform Tsunade and Fukasaku of the message, which reads "The Real One Is Not There". Remembering Jiraiya's foretold destiny of training the "world's savior", Fukasaku offers to take his apprentice, Naruto, back to Mount Myoboku for training in Sage Mode, which Naruto accepts. 

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