There are people, demons, gods, monsters in this world... Thousands of years ago, there was a great catastrophe in the human domain. The human emperor died and the human race was in danger. This was a world where several races were competing for hegemony. As a time traveler, he could only adapt to a world where people could fly to the sky and move mountains and seas. As the contemporary human emperor, he was the legitimate son of the emperor's brother and had the good fortune to shoulder the burden of reviving the human race.
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