Blue dragon is a design by Final Fantasy, originally a flop in China and Japan but a star in the United States and southern Asia.
It is a story about a group of friends Shu, Kluke, Jiro, Zola and Marumaro. The cartoon follows action and close combat as Shu and his friends learn how to control their shadow wealing powers. The first season was all about combat and fighting. The second season is about testing the shadow powers and fusion Kluke and Shu can fuse their Shadows together to form a Blue Armored Dragon With pink outlines of his attacks. One of their worst enimies are the White Guardians who will kill anyone with shadow wealing powers.