The 17 Stages of Joseph Cambell's Monomyth: Ender's Game.

           
1. Call to Aventure
Colonel Graff tells Ender he wants him to come to battle school.
2. Refusal of Call
Ender knows he will not be back for a long time and does not want to go, because he wants to stay with his sister.
3. Supernatural Aid
Colonel Graff helps Ender, once he gets to the battle school, to prepare for his "destiny."
4. Crossing First Threshold
Although he didn't win the first game, at the battle school, he was the only one on his team to not be completely frozen.
5. Belly of the Whale
When he finds out he has no connection to the outside world.
6. Road of Trials
He plays a video game that tells Colonel Graff about the way he thinks. He is also changes teams once then later changes again to form his own team; where he wins his third game at battle school; where Colonel Graff learns more about the way he thinks.
7. Meeting With the Goddess
He goes back to earth to see his sister.
8. Temptation
He wants to stay on earth with his sister, even though he knows he is the only one who can stop the buggers.
9. Atonement with the Father
When Mazer Rackham shows up in his room. (The man who won the original fight with the buggers, whom everybody thought was dead.)
10. Apostasis
His personality changed. For example, when his friends start treating him like a commander, because he is the leader of the attack of the buggers.
11. The Ultimate Boon
He destroys the buggers planet and wipes out there race.
12. Refusal of Return
He knows what happened was wrong. Finding a bugger who gives him the last egg, he refuses to go home and instead travels out in space to find the egg a new planet.
13. Magic Fight
Finding a bugger who gives him the last egg, he travels out in space to find the egg a new planet.
14. Rescue from Without
He rescues himself, in a way, from what he knows is wrong but nobody else gets.
15. Crossing the Return Threshold
He doesn't return, instead he tries to fix what he has done.
16. Master of Two Worlds
He is known for what he has done on earth and in space.
17. Freedom to Live
He doesn't have the freedom to live until he undos what he has done.