Beginning of a Legend

After the destruction of Krypton, a young baby by the name of Kal-El was sent away by his parents to save his life. Now he finds himself on a new world where half of the inhabitants can bend the four elements. As he grows up, he discovers that he has been gifted with powers one could only dream of. Now he will use his abilities to not only defend Republic City, but he will protect the entire world, alongside this world's guardian, the Avatar. They will face Equalists, maniacs, and threats from beyond the stars. Is the world of the Four Nations ready for what's put there?