Douluo: the Reincarnated Holy Lord

Lin Yang, who got the spell collection, also got an accompanying surprise. It was the Holy Lord, the well-known devil, who became Lin Yang's magic teacher. The Douluo Continent, which originally followed its destiny, suddenly began to run wildly towards a route other than destiny at the established fork in the road. What kind of waves will magic and fire cause in a world full of martial spirits?