Hogwarts: Please Don't Steal My Skills!

A skilled thief acquires a system in another magical world. This system doesn't seem useful at first because it doesn't have any features unlocked yet. But… The first function of the system has been unlocked. Congratulations. You have unlocked the class feature. Due to your existing skills and experience, you have been given the special class "Arcane Rogue" as your starting class. There's nothing an arcane thief can't steal. The more you steal, the more your class will progress. Areas of expertise include: —Invisibility magic —Boundary —Trap —Boundary —Pickpocketing - Wields a knife/dagger Wait... This is just the first feature? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.