Li Chengqian (ancient style): The prince of the Tang Dynasty, he was intelligent by nature but became extreme and cruel due to disability, pressure and suspicion. Possess absolute execution power and insider power.
Li Chen (Modern Soul): A top history student and veteran fan of Machiavellian dramas from the 21st century, his soul was accidentally bound to Li Chengqian. He knows the complete plots of "Old Book of Tang", "New Book of Tang" and all related film and television dramas. He can be called a "humanoid historical database" and "strategy simulator", and his character is witty and out-of-the-box.
Goldfinger: Two souls symbiotically share vision. The two can have direct conversations in their minds, and Li Chen can see everything Li Chengqian sees, and vice versa. They are each other's only, most trusted allies.
