Lol so sasuke really won't be part of the last fight??? lol @ gai actually being in the final fight not that hes not strong he's more than proved himself a bad ass but still over sasuke??
the whole chapter was cool madara and obito arguing isn't surprising madara being talked down to by obito who's a child compared to madara IS SURPRISING and madara taking it is surprising as well.
i can't tell though who's going to back stab who, my guess would be madara to obito but for some reason im almost postive that obito will back stab madara somehow undo the edo tensei and become the final villain that naruto and sasuke will face together.
my reasoning for this is simple sasuke will learn who was behind killing the rest of the clan that night(obito) and will take sides with naruto after obito has gone ape shit..
also madara while obviously powerful really has no ties to any of these guys obito does he fooled sasuke kakashi shits on naurot's dreams is responsible for the death of both his mother and father.
i could be wrong and madara would be the final villain but im almost positive it'll be obito who fucks over madara..
again madara just has no direct ties to anything in this story everything ties to obito.