lol alot of guys are going all the over the place with this thread.
How did we get to the forth hokage was a sage lol.
Anyway back to topic guys, I posted this thread at mangashare and someone posted a great idea why sages have been so rare in Naruto history. Before you read any further please note that Pa and Ma frog are the only toads using sage mode and they are 800 years old. I'm begining to think sage mode is not toad exclusive and it has something to do with So6P.
Heres is the theory by "Rokudaime Sennin" from mangashare.
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Hope you found it intreasting as I did as it really tries to explain why sage mode is rare even among the toads. The toads are oldest characters we know of and if anyone had contact with the So6P in anyway it would have been a toad given how old the toads can live to. Also if the So6p did hand down secects about sage chakra to only his specfic summons it would explain why only a few toads can use sage mode, let alone human shinobi.
Shame that elder toad sage has memory issues he's 1000+ years old I would love to know what his recollection of the So6P is.