System: I Lead Players Invade The Cultivation World

*As the 21st century nerd He had been transmigrated into this Cultivation world for 20 years!
As the Little Demon he suffered from the hunted by human cultivators for 20 years!
Now, After 20 years in this crue World, he had finally became a Demon King and Obtained the Demon King System which could summoning the Earth's players!
Every earth's players who summoned here will became the demon.
By my "HELP" They will teach those human how our demon Race lived before!
Sacred Clan Ancestral Land: "Those evil creatures actually came again! And there were even two immortal level cannons! They're preparing to blast open the mountain gate! "
The Human Holy Saint:" If I had known that they were so vengeful, I wouldn't have provoked them! "
The information seller said:" Those monsters have already destroyed two saint race ancestral lands. I hope that the various families will join forces to eliminate them! "
As for our MC, Well he expressed sympathy towards their experiences and said: "I hope that everyone can sit down and discuss this matter. We will jointly develop and develop."
 "Because in this new era, the monster/demon race will have the final say!"