Ringing Starry Sky

Three thousand years ago, the "ether string" that supported the operation of the planet "Eon" suddenly broke - this energy vein running through the heaven and earth was originally the resonance link between civilization and nature, but it collapsed due to human beings' excessive exploitation of "string crystals" and overdraft of will energy. At the moment of rupture, the heaven and earth emitted a "crack" that resonated throughout ancient and modern times, and the disaster spread from then on...