From the perspective of a modern time traveler who becomes the prince Li Jiancheng, the main theme is "the thrill of changing one's fate against the odds + the dimensionality reduction attack of the system and technology + the arc of complex characters", taking into account the grand pattern and the delicate mood, and connecting the complete context of "survival in desperate situations - taking power and establishing authority - creating a prosperous age - inheritance and destination", fitting the historical details of the early Tang Dynasty, and strengthening the power game and the tension of reform.
