I'm not going to release too much information, but I'll give you a list of all the class advancements, but not what goes to each one. I'm also not positive that these are final.
1. Birth
2. Mercenary
3. Cleric
4. Scout
5. Enchanter
6. Summoner
7. Wizard
8. Guardian
9. Holy Knight
10. Dark Knight
11. Shapeshifter
12. Priest
13. Warlock
14. Rogue
15. Archer