Cultivation of Immortality: What Is the Beginning of the Era of Cultivation of Immortality?

Jiang Li traveled to the Daqian Dynasty, and he was determined to apply his 21st century knowledge to this land that was still in a backward era. Soap, salt, sugar... Were just tools for Jiang Li to stand at the top of this dynasty. The first step to fulfill his ambition is to pass the imperial examination and enter the court. However, after Jiang Li wrote his answer sheet with confidence, an explosion completely disrupted Jiang Li's plan. "What is spiritual energy? What is cultivating immortality?" "No brother, you already know how to purify yourself, why should I do soap?"