"This world really was fascinating. It clearly had a unified language and writing system, yet it had evolved different civilizations, and even different scripts. Could Phanes have done something?"
His conversation with the librarian's Sin Shadow had suddenly given Shen Fei that thought. He did not know what Teyvat had been like in the past, but the languages of the Seven Nations were mutually intelligible now. In other words, there was no need to worry about language or writing barriers when traveling between countries here. However, judging from Byakuyakoku's situation, there were different scripts as well.
Combined with the fact that the civilizations here had all been created by the Heavenly Principles, it was hard to say whether she had not left something behind back then. Some matters might have been unknown even to the Four Shades, but they could still be inferred. This world faced the Pitch-Black Calamity, just as that other world faced the Finality. When resistance was impossible, the highest priority was naturally preserving the sparks of civilization. Perhaps the Seven Nations here were the embers of some civilization in the universe.
"Past of Sun and Moon... I never expected Khaenri'ah to have set its sights on this book so long ago. Why did you hit him so hard? If Khaenri'ah had taken this book away back then, perhaps what happened afterward would never have occurred. Khaenri'ah's technology really was incredible. Even after all these years, the Ruin Guards could still operate." As Shen Fei picked up Past of Sun and Moon from beneath the resurrected Ruin Guard, he could not help shaking his head with a sigh.
After returning The Serpent and Drakes of Tokoyokoku, Shen Fei, Paimon, and Lumine began searching for the next book—the most important one, Past of Sun and Moon. This book