Green Shard: the Wilderness Chapter

The invasion of demons from outside the territory triggered a war of annihilation. Taichu Zhenren led the human race to seal the demon king with mythical beasts and established the ancient bronze gate defense line to protect the wilderness. Thousands of years later, the seemingly peaceful land of the Central Plains lurks a new crisis, and the system of the Seven University Palaces is facing the ultimate test. At this time, the protagonist brought a torn book bought for twenty yuan Came through time.