Final Fantasy: Legend of the Crystals

In the year 1000 cosmic calendar of the Kario Yuga era, the planet R, attended by two satellites, is an Earth which enjoys an abundance of majestic nature and a shining blue ocean. It's existence is maintained by four Crystals which control the four basic elements of the universe: Earth, Water, Fire and Wind. Once upon a time, when this planet was menaced by a dark entity and faced its biggest crisis the most courageous ones desperately fought to protect the crystals in a battle since long forgotten, but...