Legend stated that in an ancient time, the Human Empire was once an indestructible empire, span across countless continents.

Every emperor of that said era was called the Great Emperor, because, in their reigns, they never made any permanent losses to the humanity, since every loss of theirs was a calculated move, aimed for even better benefits for the Human Empire.

They only had one wish, and that was to make the humanity stand above all others, and they succeeded.

They enslaved all other races, including the demi-humans, under their banner.

Until, the Gateway to Hell opened, as the demons rushed forth to the new and exciting land.

Thus, began the Ancient War.

Where demons and humans battled over the absolute sovereign.

Affected by the war, both Human Empire and Hell continued to weaken, lands polluted, cities ruined, resources depleted.

Quietly, the new race emerged, the Undying, created from the negative emotions of the fallen, although they didn't possess the ability to think, their number were countless.

During the peak of the Ancient War, both humans and demons decided to use all of their force to completely crushed the other side, without another chance to rise again, with the Great Emperor and Demon Monarch led the army, the battle began, but the unthinkable happened, as the last battle, known as Timeless War, reached its climax, the Undying ambushed them, with the Soul Devourer as their leader, who surprisingly, had the ability to formulate plans, due to lacks of preparation, result in momentary panic of both humans and demons, although it lasted only a moment, but that was enough for the distraction, the Liches activated their unknown magic, by sacrifice themselves, they created an unimaginable explosion, effectively wiped out almost all of humans and demons' army and pollute a vast amount of lands to become the Undying's land.

Due to the death of nearly every sage of every race that participated the Timeless War, the technology was set back by the unmeasurable damage, causing the delay of technology progression for a long time.

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Thus begin the Dark Era, where the Undying reigned.

Because humans and demons suffered most, they became the most miserable race of all, while the demi-humans gradually got stronger, the human race became weaker, couple with the end of Great Emperors' bloodline, the new emperors were weak, not as wise as they used to be, not as grand as they used to be, their empire mostly ruined, and seized, as the demi-human continued to grow, the Undying as well.

But because of the previous Great Emperor's merits, with their better technology and education, the Human Empire continued to persist.

Because of their virtually endless amount of corpses, the Undying continued to emerge, the stronger ones started to appear as well, they didn't set their sight on humans and demi-humans' continent, but the Hell of demons, because of the death of mighty warriors, stronger Undying were born, as well as smarter one, after years of experiments, they found the ways to open the Gateway to Hell.

After the Undying invaded Hell, they captured demons for experiments, seized parts of Hell and managed to turn fallen demons into the Undying, with the fallen sage as the leader, they occupied almost half of Hell.

Although the new Demon Monarch had just emerged, it still possessed an incredible amount of power, but sadly, it was not wise as the previous one, but with its help, the demons persisted.

All of this had happened because of the last battle of Ancient War, and its effects had lived until today, that was why it was called the Timeless War.

Later on, Human Empire invented new ritual, used to powered warriors with a cost of intelligence, with this new magic, the battle between human and demi-human came to a standstill.

While the demon used their taboo magic, to steal the souls of the living and took control of that said being and its memories, they inflated both human and demi-human continent, to steal their invention and used them to battle the Undying.

By doing so, they indirectly created an organization, called the Pantheon, aimed to kill all human-skinned demons and purify the lands of the Undying, thus became the new powerhouse of Human Empire along with royalty.

While the demi-human used their holy magic, to burn the inflated demons and fought against the Undying.

Hence the balance of power of the entire plane was formed.

And this marked the beginning of a new era, Morning Star Era.