I Am the Great Demon King of Destruction

I could have inherited the great power, dominated the world, dominated the nine states, and become the savior of the world. But I want to join the devil's path, reverse the yin and yang, reverse the universe, and become the world-destroying demon king! Three points of Yuan Qi will be with me in the end; In all nine states in the world, only the devil reigns supreme! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.