Like humans, civilizations grow from infancy, maturing and finally attaining complete form.
That was a topic once discussed by the many researches of the Mycroft Continent. They would excitedly partition classes of civilization, defining the civilization of Mycroft as being in its 'Childhood'.
To those scholars, the Mycroft civilization would be a mere gestating embryo before they become capable of leaving their motherworld through ability or technology. Having not been to the Void nor seeing the Multiverse, they were akin to unborn dragons in their eggs—even if they held great talent, who knows if they would grow and enter the real stage of the world?