Board Thread:Naruto Discussions/@comment-34700383-20180829185752/@comment-34700383-20180902094907

LegionZero wrote: "Six Paths Chibaku Tensei is invoked when two users simultaneously touch their target with the "Yin" and "Yang" seals. It rips a giant chunk of earth up and turns it into a heavenly body, becoming the Prison of Six Paths (六道の獄 Rokudō no Goku) that can capture all things (万物捕, "banbutsuto"). It's a sealing jutsu that can be used by individuals who awaken Six Paths Senjutsu. "[]

You are wrong. Accept it.

That doesn’t explain how they acquired that power, does it? It also doesn’t explain why madara and obito got rikudo senjutsu only after becoming hosts of the juubi.