The Elements and the Dark Curse

Crystal, Zack, Will and Terra are holders of elemental powers- they set on a course to find out why the four were chosen to be protectors against dark, evil forces. In the meantime, that all seemed meaningless to Zack, the mysterious fire element. The thing is, he isn't like any original fire element, he's different. He holds dark powers deep inside him, which are extremely dangerous. Actually, he's the embodiment of an ancient prophecy, which foretold that, a certain fire element would hold the ability not to control fire only, but also darkness. Crystal however, is stopped on her mission, once she meets the mysterious Zack. She tries to be his friend, but fails miserably. With her curiosity, she sets off to know more about him, leaving her in shock once she realizes something big...