Madara Uchiha is among the most ambitious and strongest ... This took him down a dark path, eventually making him one of the main antagonists of the series. With the Rinnegan at his disposal ...

Madara's journey to awaken the Rinnegan involved manipulation, patience, and careful planning. The Rinnegan is the fusion of Indra and Asura's chakra, connecting the Uchiha and Senju clans.