Synopsis

The chapter starts with a philosophical debate questioning humanity's right to dominance and comparing them to an "immune system" of the universe, with dinosaurs referenced as an example of a past ruling species. It then transitions to the sister who has a research project she is working on, leading her away from studying. She interacts with her brother, showing their strong relationship, and the chapter ends with the brother observing the sister’s colleagues headed to a “battle ruins”, hinting at ongoing conflicts, while he too is heading out to his own research project, emphasizing everyone is involved in their own pursuits.