Jiuyuan Is in Calamity

There are nine abyss in heaven and earth, not the abyss of the earth, but the abyss of nine ancient laws that are broken and suspended above the heavens and the world. Each abyss buries a forgotten era, containing the last traditions and sacred treasures of that era. When the Nine Abyss opens in ten thousand years, the geniuses of all races will step in with the "Abyss Key" to compete for the chance of transcendence. However, not even one out of ten people enters the abyss, so it is also called the "immortal burial cave".