Naruto's overpowered nature would have made him too strong if he retained the balls, affecting the Boruto series. Naruto ...

The Naruto world has seen countless ninjas ... Given that he had the power of the Rinnegan as well, Madara had the perfect Six Paths power combo, which made him a god-level ninja.

The characters in Naruto feature some truly mind-blowing ... realm that could only be seen or touched by those of Six Paths powers. Madara was absolutely incredible as a user of the Rinnegan.