Try Sleeping in the Haunted House, Awakening to the Classic of Mountains and Seas at the Beginning

In the distant wilderness world, alien beasts are rampant, battles continue, and thousands of races suffer heavy casualties. There is a strange man who uses hills as maps and rivers as veins to seal the world of mountains and seas, and collects alien beasts in mountains and rivers... For thousands of years, the human race has become more and more prosperous, occupying the rivers, lakes and seas, and digging into the mountains. The strange beasts in the mountains are hidden in the dark night of the city. Wang Lei, a boy from the mountains, came from the mountain village, took the Book of Mountains and Seas with him, and opened the title page...