Lin Yu was summoned by the Demon King to come to the mainland and became the new Demon King... From then on, he will start to run a country called the Dark Demon Kingdom, possessing the Demon King cultivation system, and by completing the system tasks, he will constantly improve his ability and open a new era. The series is upgraded to fight monsters and become a new big devil. But Lin Yu is a book friend. If you think "My Devil King Cultivation System" is not bad, please don't forget to recommend it to your friends in QQ groups and Weibo!