Mabinogi can you transform in it

Yes, in NA Mabinogi, the transformations available are the following, Savage Beast, Falcon, Paladin, and Dark Knight. You can only transform into a Savage Beast if you are a Giant, Dark Knight and Paladin is one of the choices that you have when you are a human(you can't choose both) and Falcon when you are a Elf. In G10 you can transform into a Demi-God.