If you enjoy Anime and role play then give this great 3D Fantasy MMORPG game called Grand Fantasia a try. It is a fun game with good graphics and 8 charecter classes. As you progress through the game and reach the required levels, you will gain skills and look forward to getting to the next level. The classes are Fighter, Hunters, Acolyte and Spellcaster which then progress to Warriors, Hunters, Priests and Mages, for their respected class at level 30.
Give it a try, it just might be the game you are looking for.