Quote Originally Posted by DarthEnderX View Post
He already has the Rinnegan and the Wood Style, and 4 of the Sage's 5 tools are inside the Gedo Statue. All he needs now is Sage jutsu and the Ten Tails(and whatever the sixth path is).
He's dead, though. Who knows if he could do it anymore. It seems like he originally wanted to get properly resurrected with Rinnegan. The story has certainly painted a wonderful picture of zombies with no weaknesses and only extra strength, but who knows. At least Madara didn't want to become one, so perhaps it does indeed have some weakness despite everything, in addition to the nasty feeling of a dagger embedded in the neck.