Crown Prince of the Great Tang: Father, Let Me Teach You Immortality

I transmigrated into the tragic crown prince Li Chengqian, so I decisively gave up fighting for power in the palace and turned to my father, Li Shimin, with the Everlasting Spring Cultivation Manual. “What's so great about being emperor? Father, let me help you cultivate immortality!” Li Shimin: “Chengqian, what is this drawing of yours?” Li Chengqian: “In answer to Father, this is a spirit-gathering formation.” Li Shimin: “Cultivating immortality? Eternal life?! My son, what do you need? A golden pill? A furnace cauldron? Or...” Li Chengqian: “No, no, no! Father, we're on the righteous path of the mystic arts! First, let's start in our imperial garden and grow some spirit vegetables to nourish ourselves!”