In the 30th year of the First Emperor's reign, the main hall of Xianyang Palace. Ying Zheng was sitting on the dragon chair, with several golden elixirs placed in front of him, and his fingers were trembling. Xu Fu stood below and secretly twitched the corner of his mouth. He said that if you eat this food, you can live for three more years. Ying Zheng calmed down and looked at Jin Dan and asked what proof he could give. After swallowing up the six kingdoms, he became the king of the whole world. His mouth could determine the lives and deaths of millions of people. But what he wanted was not power, but to hold on to this power forever. Xu Fu said that it took three years to refine it with the treasures of heaven and earth, and that eating it can cleanse the muscles and cut the marrow and live for three more years. Ying Zheng's eyes lit up as he stared at the elixir.