A Magic Instructor.

A skill is an ability that can be used by any character which is determined on class. Each class has their own unique skills, and there is only one skill that all classes learn, Retaliate (Level 12).

New skills can be learned every even level (e.g.: Level 2, Level 4, etc.), with the exception of two starting abilities which the player is given upon character creation

To learn a new skill, the player must either find an instructor related to their class, or go to their skills menu. There are only two types of instructors, Tactics Instructors and Magic Instructors. However, since TERA: Fate of Arun you can learn skills directly from Learned Skill menu (hotkey K), and finding instructor is not needed anymore.

Tactical Instructors teach Archers, Berserkers, Brawlers, Gunners, Lancers, Ninjas, Reapers Slayers, Valkyries and Warriors.

Magic Instructors teach Mystics, Priests, and Sorcerers.

A Weapon Instructor

List of skills[]