The dragons reign the world as its overlords. They controlled the world, imprinting fear in the humans heart. One day, the dragons vanished overnight thus allowing a greater tribulation to fall onto the world. The newly invader could rampage on the world without any difficulty thanks to disappearance of the overlords. This was the reason why the last remaining human royalty embarked on a journey to find their missing overlord. Will she fail or not, only time will tell.