The real protagonist of the novel The Dark Forest is not Luo Ji, but the logic rule of the dark forest theory. This cold rule and the cold universe is the real protagonist of the book. Welcome to the world of The Dark Forest. If you want to read something more about the episode, you can subscribe the BearTalking Weekly mail. Send the request to [firstname.lastname@example.org](email@example.com) and be the subscriber of BearTalking.