Killer B? ~His death is long overdue, and the Jubi needs to be complete at it's peak without the capture of Kyubi, because it's the Jinchuriki of the MC. Do you think at this point it's okay to end Killer B and have the Hachibi extracted?
Kakashi Hatake? ~This would be epic, in that Sasuke will show Kakashi the power of the Sharingan when wield by an heir. This would also fall under the Teachers getting killed by the Student (Hiruzen--Orochimaru, Jiraiya--Nagato).
Iruka? ~He believed in Naruto when nobody didn't, and he's not getting any stronger: Seriously, is this dude still a Chunin? I think Sasuke ending his life and Naruto being there a second late would call for a epic fight!
Kakashi Hatake? ~This would be epic, in that Sasuke will show Kakashi the power of the Sharingan when wield by an heir. This would also fall under the Teachers getting killed by the Student (Hiruzen--Orochimaru, Jiraiya--Nagato).
Iruka? ~He believed in Naruto when nobody didn't, and he's not getting any stronger: Seriously, is this dude still a Chunin? I think Sasuke ending his life and Naruto being there a second late would call for a epic fight!