It seems Rinnegan is the new Sharingan.

Madara was revived by Kabuto looking like he was in his heyday.
Madara's overwhelming power is displayed. As a result from his research with Orochimaru, Kabuto tested out changing a Sharingan to a Rinnegan on Madara.
Naruto's Rasenshuriken is absorbed by Madara's Rinnegan.
T doesn't know if it's because of the Rinnegan or not, but giant rocks start raining from the sky and the chapter ends.