From the introduction: Earth. Fire. Air. Water. Since the beginning of time the elements had been in balance, and four nations existed in harmony. Then, everything changed when the Fire nation attacked, the world was engulfed in hundred year war that nearly destroyed everything, but it was stopped when the Avatar, a unique individual capable of bending all four elements, came back after a century long absence defeated the Fire Lord, and established a new era of peace. Now, almost seventy years later, a new Avatar is about to begin her journey. The world has drastically changed in the past several decades, technology has advanced, bending has evolved, a new nation has been born, and danger has taken on a few new faces.