but he learned rasengan in the first naruto series. I dont think Jiraya would have mentioned it to Gerotora that minato wanted him to learn a technique that naruto already knew by then. How would rasengan be related to the seal key?
Ok so i was browsing Naruto Wiki and I stumbled upon this page: naruto wikia. com /wiki/ Gerotora
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Under the Itachi Pursuit arc, it said "Jiraiya argued that Minato gave him the key's technique design as a sign that Minato had intended for Naruto to complete an unknown...