Immortality: See All the Prosperity in the World

The orthodox historical line of the Tang Dynasty starts from the early years of Zhenguan, and goes through the rule of Zhenguan, the founding of Tang Dynasty by Wu Zhou, the prosperous age of Kaiyuan, the Anshi Rebellion, the chaos of the late Tang Dynasty, the Five Dynasties and Ten Kingdoms, until modern times. The protagonist has an immortal constitution. He will not age, cannot be killed by swords and poisons, and will slowly heal himself from serious injuries, but he will feel pain and cannot actively resurrect others. He cannot practice spells, has no fantasy magical power, and has pure physical immortality.