In the strange continent of Dragon Territory, there exists a power that can destroy the world. It is Dragon Heart. This powerful thing has always been a legend, and no one has really seen it. Although it is a legend, some people have been looking for it, hoping to gain its power to rule the entire Dragon Realm, become the master of the Dragon Realm, and be respected by everyone. However, it is not that easy to get the legendary dragon heart. Some people even sacrifice their lives, and some have searched for generations. But whose family will the legendary dragon heart end up with, and who can get its power and inform the dragon domain?