What is a subclass? Characters Lv. 85 or above who have completed their 4th Class Transfer can create subclasses by completing the 'Red Thread of Fate' quest.
Note: You can create a nother subclass when the present one reaches Lv. 75. You can make up to 3 subclasses.The subclass character will be post-Lv. 40 / 2nd Class Transfer state.Developing a subclass gives the main class character new skills called Certification Skills, which you learn at Lv. 65, 70, 75, and 80. These skills are shared by main/sub/dualclass characters.
Restrictions Subclasses can be leveled up to Lv. 80.The following classes cannot select each others' subclasses:[Treasure Hunter, Plains Walker, Abyss Walker][Hawkeye, Silver Ranger, Phantom Ranger][Paladin, Dark Avenger, Temple Knight, Shillien Knight][Warlock, Elemental Summoner, Phantom Summoner][Sorcerer, Spellsinger, Spellhowler][Elven Elder, Shillien Elder]
The following classes cannot be selected as subclasses.[Overlord, Warsmith] Elves and Dark Elves cannot choose subclasses specific to the other's class.The Kamael cannot choose subclasses.The Kamael can only select subclasses exclusive to their own race, and a new subclass called Inspector becomes available when selecting a third subclass.