1) supernatural part of the story becomes vastly more important, fight with gods, unites with father and ultimately his father recognizes him as his strongest son and Lelouche gets the throne legit
alternative:world gets raped by the C.C army
2)Lelouche follows the fate of Braveheart, which would be consistent with the plot so far, and gets killed in a public execution.
3)Lelouche ruins Brittania entirely, world becomes a total clusterfuck thanks to him.
4)Lelouche gets screwed by C.C after he wins, and she becomes emperor in his place or something.
Any way it turns out, its going to be very, very entertaining.