The term "Iron Plague War" in the environment of the Blood Eagle should be some kind of common knowledge that everyone knows.
Many crew members showed surprised expressions, and after a moment of silence, Isaac slowly began to speak: "It's a biological weapon that uses viruses as carriers, released by an unknown civilization, capable of infecting most life forms through contact, turning them into a new species half flesh and half mechanical, losing their self-consciousness, instinctively spreading the infection.
The Zeluo Civilization fought the Iron Plague War for seventy years, ultimately still ending in defeat, and the nation was destroyed."
[Field Initiator countdown forty seconds]
The AI voice on the bridge faithfully broadcasted the countdown information.
Li Cheng spoke very quickly: "Is Swan B also a colonization planet of the Zeluo Civilization?"
"How do you know?"