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At the end of the duel city, the nameless pharaoh, Atum, regained his lost memories through Yugi's hand and allowed himself to return to the underworld. However, the dark cloud lingering in their hearts about the ancient Chinese Avengers who were far away in Atum's heart but were their eastern neighbors in Yugi's eyes still existed. The duelists who had wandered into other time and space also returned to their respective places. It seemed like everything was calm, but there were dark clouds moving under the surface. Both Atum and Yugi knew that only a few of the souls around him would come back, while the sealed souls of Kaiba, Keiping and others were still in their hands, and the road to regaining their souls was still at his feet.

Yu set up Jiuding in Jiuzhou to entrust the world. Jiuding and Nine Dragons symbolize the origin of Jiuzhou and eternal stability. However, when it was passed to the Qin Dynasty, it mysteriously disappeared until his era reappeared in a mist. However, the Nine Dragons Fang Ding reappeared, adding another disaster to the already stable world.