Prince of the Tang Dynasty, Your Father, Emperor, and Sons Will Take You to Cultivate Immortality.

Dressed as the tragic prince Li Chengqian, I decisively gave up the palace fight, turned to my father, Emperor Li Shimin, and took out the "Changchun Gong". "What's the point of fighting for the throne? Father, I will help you cultivate immortality!" Li Shimin: "Cheng Qian, what is this you painted?" Li Chengqian: "Go back to my father, this is the spirit gathering formation diagram." Li Shimin: "Cultivation to immortality? Immortality?! My son, what do you need? Golden elixir? Furnace cauldron? Or..." Li Chengqian: "No, no, no! Father, we are the righteous path of Xuanmen! The first step is to start from our imperial garden and plant some spiritual vegetables to replenish our health!"