Here are the branches that you can choose from the Cora class tree:

Warrior: (Melee)
Level 30: Champion and Knight.
Level 40: Templar, Guardian, and Black Knight.

Ranger: (Range)
Level 30: Archer and Hunter.
Level 40: Adventurer, Stealer, and Assassin.

Spiritualist: (Force)
Level 30: Caster and Summoner.
Level 40: Warlock, Dark Priest, and Grazier.

Specialist: (Special)
Level 30: Craftsman.
Level 40: Artist.

Check www.rfo.askterix.com for more details about the listed branches above.