Dragon Nest Classes

There are 4 main classes from which to choose: Warrior, Archer, Cleric, and Sorceress. When you reach level 15 you will be able to choose one of two Primary Specializations, and one of two Secondary Specializations at 45.

Class	Specializations
	Primary (15)	Secondary (45)
Warrior	Swordsman	Gladiator
		Marauder
	Mercenary	Barbarian
		Destroyer
	Avenger (unreleased)	Abyss Walker
		Dark Knight
Archer	Sharpshooter	Sniper
		Artillery
	Acrobat	Windwalker
		Tempest
	Hunter (unreleased)	Detonation
		Ranger
Cleric	Paladin	Guardian
		Crusader
	Priest	Saint
		Inquisitor
	Monk (unreleased)	Champion
		Impulse
Sorceress	Elementalist	Pyromancer
		Ice Witch
	Mystic	War Mage
		Chaos Mage
	Warlock (unreleased)	Illusionist
		Mistress

Advancement at launch is currently capped at 32, so Secondary Specializations are not, yet, available. There are also 4 "unreleased" Primary Specializations mentioned in this article on Bright Hub, which also mentioned a fifth Class, the Alchemist, in the Korean version only.