The heyday of the dynasty is facing its end, and the dominating demon kingdom is facing dusk. The most powerful ethnic group is on the verge of extinction. The prosperous age has become the end of the world. Is there no eternal kingship? Don't panic, everything will be fine when I reopen. The journey of the reborn demon king spans thousands of years to regain control of the world. While rebuilding the lost magic power, he experiences a different life. After reaching the top again, does he still want this world?
