You where some how warped to a castle named thor castle and somone warped you there but you don't know who? so once you colllect all the crystals you go to the second
level where you need to take a driving test to pass the level on level 3 the sami final level you you go to thieves den and you have to just destroy the few thieves that are there and get the crastal and the last level you just walk till you get that very last crysatl.