How do you get experience in yu gi oh gx tagforce?

You have to duel to get exp. Slifer reds= 9 xp Ra yellow equal= 10 and Obelisk blue are 12 exp. But if you duel some of the main characters like jayden yuki you will get more 15xp. You have to win a duel to get xp. If you lose you don't get any.