What makes a Final Fantasy game a Final Fantasy game?

[ookaze]

Let's see:
- Cristals
- Chocobos
- Moogles
- Deities that you can control
- Magic : white, black at least
- Cid
- Prelude (the tune)
- team of characters
- Omega
- Ultima
- Genji gears

Some have extras like Gilgamesh for example, or getting some kind of flying vessel that can travel over the entire world.