The Record of the Struggle for Hegemony in the Inner Earth World

In the center of the earth, there are other human beings living. Can an ordinary person bring about earth-shattering changes with modern cultural knowledge and pour it into this civilized and backward continent in the center of the earth? Martial arts, fantasy, strategy, spiritual beasts, and economic elements are all indispensable! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.