C1841 Thousand Phantom Toxicitis

In the air above the desert, black gas billowed.

Half of the sky was obscured by the poisonous smoke. The light in the sky dimmed, as if doomsday had arrived.

According to what he knew, the first step after a demon spirit becomes immortal was to "demonize", which was to refine their demon form.

But immortals like the Heavenly Spider King and the Black Tiger Immortal