They leave the safe area they once lived, to find new places, new people. They meet a new character that is out of place of the others. They fight more things, still after the same villain. Chocobos will now appear. Moogles optional. Summons definite, with Shiva Ifrit, Bahamat. possibly, they may add Odin, Alexander, Leviathan. Earth summon will have a name. (If there is a Earth summon)
Magic is a certain.
Then, they change their objectioves! They've realised that their original mission was just a small pinprick in a ocean of trouble. And you know what?, it has sumthing to do with the end of the world.

Hero must have a sword, and spiky hair. It's a must.