When you just start off in the game, you should absolutely start off with the trial level Pupil. This will let you get the fundamental concept on how the game works like and what to anticipate. It is also the most convenient level, in addition to the Rogue, so they will help you get used to the game. Even if you are a knowledgeable player with this type of games, you should still play the tutorial due to the fact that it will help you out considerably.