I edged closer to Viska without showing it, then suddenly remembered that with a Spiritual Connection, there was no need for that. So I directly opened a public channel in my mind and discussed it with her. "Forbidden books? What are those?"
"They seem to be ancient books left over from before the first Dark Moon War," Viska replied through the Spiritual Connection while pretending to admire the scenery by the roadside. "I had the first batch of Louse Spirits to reach the Imperial Capital focus on searching places like churches and palaces. One of them stumbled upon a library beneath the city. It seems the church never completely destroyed those ancient texts from before the first war. No idea what they were thinking, but in any case, they've left us a huge help."
"Maybe they wanted to protect intangible cultural heritage," I said with a dry laugh toward the sky. Luckily, the Iron Knight trio did not see it, or silently grinning at the heavens like that would definitely have gotten me labeled a lunatic. "Did you find any clues in the forbidden books?"
"They're still sorting through them. The most valuable ones should be chronicles of local customs, history, and cultural books from before the first war. Things about agriculture, resources, and geography can be set aside for now." Tiny specks of golden light slowly moved through Viska's crimson eyes. She was clearly synchronized with those Louse Spirits. I was curious what the world looked like from the perspective of a flying louse, though Viska herself would definitely never answer that question. "Oh, they found something useful. I had the Louse Spirits copy it and send it over. We can study it together when we have time. Prewar history is much more exciting than we imagined. Things really