i had this doubt often, so what does it need to be stronger in the narutoverse?
for example, we have seeen many characters with exceptionally high chakra ex:Hashirama,Tobirama,Kisame,Minato(possibly),Orochimaru,Tsunade,4th,Onoki, raikage,3rd raikage,Naruto,Kushina,no idea abt Hiruzen,Killer bee...