The Elements: Enemies or Friends?

In the world called Unik (you-nik) you are born with an element. You can be a ice, water, light, and shadow/darkness element. But the rarest element, is crystal. People who are crystal elements are special. Powerful. Four teens, decide to break a rule and go out of their town. All elements are separated for one reason, but nobody knows why. King Mist made a rule that no one can leave their town. Ever. But when Lucas, April, Chase, and Rose, leave their town and meet each other for the first time, they find out a dark secret about the king.