Thousands of years ago, demons from outside the world invaded the Xuanyuan world and tore it apart into the heavens and continents.
Times create heroes, and heroes emerge from troubled times. The divine king Wu Huang sacrificed his seal to break the boundary wall to isolate the demons outside the boundary. Before he died, he made an oath to heaven and earth that the demons would never be destroyed, and his soul would be reincarnated for thousands of years to fight for hundreds of reincarnations!
Later, a good person composed a short song for him as follows:
The sound of a sword makes the world tremble, and the light of a sword makes the sun and moon cold.
A sword cut can cut off mountains and rivers, a spear stab can break the sky.
One gourd absorbs the evil in the world, and one flame burns away the demons in the world.
The sun, moon and stars, the world of gods and demons; the sound of the sword, the ten directions are destroyed!
The light of the sword is short, but the light of the spear is long; the blood of fierce demons stains the clothes!
