throne of magical arcana

A normal young man traveled on the ground, called Xia Feng, traveled to a world of sword and magic, and took the body of Lucian Ivs, another ordinary young man.This world seemed a world of traditional Western imagination, yet it discovered the amazing similarities between the earth and this world, and between science and what is called mysterious magic ... "Knowledge is power"?Spirit, magic, quantity, relativity theory, knowledge world, music, and real world ... What is the truth of that world?