Sasuke's possible death with the final battle with Naruto.
Before you read look at the thread, look at the Prefix, Notice how it says "Theory" not "Spoiler", etc. To the Sasuke Fanboys: If you do not enjoy this thread do not flame, Please just kindly exit.
Let's start off with this,
You should know that Itachi "let" Sasuke win. Also notice how it says: "Illegible words" As in he mumbles words to sasuke. What could they be? It's obviously nothing about the clan because Madara explains what happens to the clan.
As you can see Sasuke went into deep thought thinking about other things other than revenge, hatred, etc Also "What Am I?" What could that possibly mean? Well, It obviously means that sasuke is starting to figure out what he really turned himself into..(Or atleast that's what we/I should think it is)
We are almost at the theory point, Let's take a look at a little bit more.
"Were both gonna die", Sadly that does not seem to be the case, Because out of the evidence we found its the exact opposite...Thus it's not both.
And finally were at the theory point. So after gathering evidence we can only help but find out this, Sasuke may have a possible death rather then both or just naruto..Why? well..Remember? "What Am I?","What is a shinobi?", "What is a village?", It's possible that sasuke is starting to clarify who he really is right now..So back on here is what might possibly happen..Naruto and sasuke meet at the final valley, Let's skip to the rasengan and chidori clash part (Leave the skipped part's as combat scene's), Sasuke could possibly make a weak chidori, While naruto makes a full length rasengan they both clash at eachother but rasengan is the only one that effects Sasuke is at the brink of death with dying words.
This honestly would make Sasuke a hero at the end and would give him a MASSIVE update on character development. This is just a personal opinion.