I'll try explaining how the new class system will work, since clearly people are confused about it.
You will only be able to get classes on ascending rankings (mastering rank 1 class allows you to pick a rank 2 class, mastering rank 2 class allows you to pick a rank 3 class...), being that you will start on lowest class ranking (aka the racial class), there is no limitation to which class you should evolve into at the next ranking, so If you want to get a melee class first, then evolve to ranged, and then to magic, you can do.
There are currently 5 class rankings, being that only the racial class have max level 10, while the other ranking classes have max level 30, to be able to increase the level of the class, you will have to acquire CP, which is the class exp points, from killing monsters or other events in the mod (quests are going to give cp too), differently from the Exp from the game modes, the CP is based on the monster status, so facing the toughest monsters as possible is the best way to level up a class, but doesn't mean you will not be able to level up the class on weak monsters. The class turns harder to level up based on your class ranking.
Instead of leveling up the skill using skill points, you will need to use a number of skill points to be able to unlock it, so your skill will always be at full potential for good.
Differently from the other seasons, the classes are now the same for all game modes, so even If you change game mode, your will be able to keep your class choices, aswell as be able to level it up normally on it.
There are currently 5 class rankings:
Racial Class: Your character starts with it, which will give the skills that are unique to the race.
Base Class: The lowest ranking class, mostly basic classes like Fighter, Mage and others, they are mostly bound to their roles.
Profession Class: This class ranking is about the character role in the mod, the classes It offers are mostly oriented to player to player (or player to npplayer) interaction, or aiding in some matter, but still can be used for combat purpose.
Special Class: This is the ranking of the completelly fantasious and custom classes which are not bound to common rpg class choices and roles, being that they may end up being hybrid too (have skills that are helpful for multiple damage types, like melee and ranged, ranged and magic, magic and summon, and others).
Master Class: The last class ranking, the godlord of the classes, the classes in this ranking are powerful and carries a weight that will drastically change your gameplay style in the game, or show to the other players which role your character will take in the game.
In case you want to attempt to make your own classes, be sure to check out the
Create a Class thread, for rules and how to make them, number is going to make the mod great in class choices.
Beside I may take some time to implement them due to short modding time I'm having latelly.
Any questions about the class system that I didn't filled, just ask here.