Jiuyou Eclipse the World

Three hundred years ago, the human and demon tribes signed the "Quiet World Covenant", and the world ushered in a brief period of peace. Three hundred years later, the twelve envoys moved strangely, and the evil spirit returned. Young Lin Yuan was accidentally involved. Starting from a strange demon attack, he gradually stepped into a truth that has been hidden from the world for thousands of years. **When the peace of the world is broken, the Nine Nether Demon Realm descends. ** In this life, who will kill the demon and who will become the demon?