How was Madara supposed to be revived?

Kabuto revived Madara via Edo Tensei, in his younger form, somehow through experimentation. It’s not clear how he did that, but he did. In any case, Edo-Tensei uses a sacrifice and dirt to form the body and appearance of the departed soul that is bound to the body of the sacrifice.

How did Obito survive Rinne Rebirth?

In Chapter 657, right after Madara is brought back to life using the Rinne Rebirth jutsu, the scene moves to the Kamui dimension, where Zetsu confronts Kakashi, Minato, and a fatigued Obito. So Black Zetsu was the reason Obito was able to postpone his unavoidable death.

Did Kabuto enhance Madara?

In Madara’s case, Kabuto had claimed to revive him in a form stronger than his prime. Madara questions Kabuto’s ignorance of his prime state and then Kabuto gives Madara full control of his own body in order to demonstrate his abilities.

How does Madara use susanoo without eyes?

When Madara used the Rinne Tensei to bring himself back to life, he did not have his eyes, but he had the First Hokage’s face embedded into himself. Even though he did not have his Sharingan or Rinnegan, he was able to use Susanoo.

What happened to Madara after Kabuto gave control of his body?

In Madara’s case, Kabuto had claimed to revive him in a form stronger than his prime. Madara questions Kabuto’s ignorance of his prime state and then Kabuto gives Madara full control of his own body in order to demonstrate his abilities. After Kabuto gave control to Madara, Madara was able to use the Edo Tensei seals to free himself.

Can Madara Uchiha use Edo Tensei again?

So actually, what Madara Uchiha did was use Edo Tensei again, using the original sacrifice Kabuto gave him, so that he is now the new caster, and he revived himself. Like Madara said on Chpater 591 page 17, there is one risk to the technique.

What did other Shinobi do during the grace period?

During that grace period, Dan used the Reika no Jutsu to go meet his girlfriend. Itachi shared his memories and feeling with Sasuke (though granted he had been freed from the Edo Tensei’s control long back). Most other shinobi stood around doing nothing significant.