Cuz you can't lol...xd
Your thread is just fanfic like most of the times and when someone asks you for proof you hide behind the posts like the one quoted or provide facts out of context and try to make it look genuine. Seriously your level of trolling is becoming pathetic.
Rinnegan grants the user 6 techniques known as "6 Path jutsu" hence the title "Sage of 6 Paths"
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And Obito called Nagato the 3rd So6P which implies anyone owning a Rinnegan automatically carries Hagoromo's title
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Furthermore, Sasuke doesn't need to be a Sage Mode user to be called a 'Sage' because neither Orochimaru nor Tsunade were SM users despite being known as Sannin, he also has Rikudou chakra which is basically Senjutsu.
Conclusion : Sasuke deserves to carry Hagoromo's title because of everything mentioned above, and also because the Sage entrusted him with power like a King entrusts his heir with the throne. Since Obito and Nagato were not original owners of the Rinnegan that would make Sasuke the 3rd Sage of Six Paths.
Hagoromo had purest form of rinnegan not some freak show rinnegan.
What a joke, just because he fused the bijuu chakra at Hagoromo's level it does not prove that he's as skilled as Hagoromo in everything. Stop pouting nonsense.
He haven't even shown all the six paths even when there were situations where he could've saved himself or others from using one of those paths.
Anyone having Rinnegan and 6 Paths is known as So6P.
Obito called Nagato So6P because he had access to all the 6 paths, Sasuke is yet to show all the path. No matter how much Sasusage faps cry, unless Sasuke uses them in canon, him having all 6 paths is questionable and so is his title.
Furthermore Ashura was the chosen heir, only in case of Naruto and Sasuke, Hago chose to share the power equally and let them fight for the throne and we already have the answer to that who won.
He only holds part of Hagoromo's power just like Naruto. He isn't the sage of 6 paths since he doesn't hold the bijuu. Nagato the Rikudou Sennin? I don't really see that. He's the 7th of Pain right?