A Big Dream of Three Thousand Years

There are three major races in this world: humans, demons, and demons. All three races can practice cultivation. At first, the three races stood in a powerful position. Later, the demons found secret books that could absorb the luck of other races. In the end, the demon clan was the dominant one, but the demon and human clans were still fighting each other openly and secretly, which led to the idea that the two clans had no great emperor. They are troubled by their wrong decisions, but they cannot easily ask the other party to stop. Little do they know that the person who can truly unite them is right in front of them...