Birth of the Ten-Tails' Jinchuriki

Near the end, the Sage of Six Paths appears to Naruto and Sasuke and changes their power.

Madara casts the Infinite Tsukuyomi, pushing the war into its final stage.

Guy opens the Eighth Gate against Madara and fights with his life on the line.

Late in the war, Obito becomes the Ten-Tails' jinchuriki and changes the battlefield again.