Aqua will be the next villain in the next saga. She'll be the one who will try to destroy the darkness so the worlds will be filled with light and light only. And sora riku and the gang has to stop her and keep the balance.After the battle with old nort and his norty boy band/ and from the time she spent in the dark realm; she decided that darkness should never existed it ruins lives and all that jazz, and so she try's to destroy it. (Much like master E tried to do and his mindset) and after all the time of her trying so hard to get rid of darkness, the anger and whatnot consumes her heart...And so, badda bang badda boom I'll let you do the restBut aqua as the next villain would cause some interesting shit to hit the fan.