The strongest one person can get in Naruto, without having some kind of special power related to the Sage or Bijuu, is SM Naruto's tier. This includes MS Sasuke, Minato, Itachi, 4th Raikage, 3rd Raikage etc.
You can argue what tier these each belong to and tell me i'm wrong, but the fact is that if each one of the opponents in this tier were faced against one another they would each give each other a hard time, i.e. It wouldn't be an easy fight. Don't take it as me saying that they're all on equal ground.
No one has been able to be stronger than this tier without having some relation to the sage. This means that every single person has a level cap in Naruto and that the new generation will at most reach this level of strength.
TY and Sasuke solos your fav.
You can argue what tier these each belong to and tell me i'm wrong, but the fact is that if each one of the opponents in this tier were faced against one another they would each give each other a hard time, i.e. It wouldn't be an easy fight. Don't take it as me saying that they're all on equal ground.
No one has been able to be stronger than this tier without having some relation to the sage. This means that every single person has a level cap in Naruto and that the new generation will at most reach this level of strength.
TY and Sasuke solos your fav.