Ten Evil Spirits Are Coming, I Have a Book of Mountains and Seas

(No harem, no routines, not invincible, systematic, time-traveling, the plot is told very slowly, please be careful if you mind. This book will slowly explain when the protagonist is a child. Those who don't like to read long texts can be persuaded to quit. I am a new author. If there is anything wrong with my writing, I accept criticism and am willing to listen to readers' opinions.) The story takes place in the world of Fengtian, after the plague was resolved in the 21st century [Immortal Prison] reappears, the vicious beast returns to destroy Blue Star A massacre game from ten years later The "Book of Mountains and Seas" that had been lost for thousands of years also appeared on him