"You are mistaken," Leo reiterated with a shake of his head, his slit-pupiled snake eyes flickering with memories. "During the thousand years we were sealed, I took the opportunity to read many of human history books. Before our race appeared, if I were to summarize human history in four words, it would be 'self-annihilation' "
"This leads me to the second possible direction I wanted to discuss. The transmission of human power, at some point in the last thousand years, experienced a cataclysmic break. The most likely cause of this disruption would be war, stemming from conflicts between human nations."
"The severity of these wars led to the destruction of human civilization, with all its traditions lost. The victors of these wars, the new human rulers, in order to prevent such a scenario from happening again, chose to seal away knowledge and powerful legacies."