He is good , is even better at 4 stars , but also great as 3 star ninja , has that buff that increases res to konoha ninjas , it will be very helpful with ninjas that are not that tanky such as join minato and shisui , also it can be used with 6 paths as well , ashura naruto is already tanky as hell , imagine buffing him with that res buff + his healing , he will be invincible