At the very least, he has more knowledge about what happened here than anyone. And it was a story that he did not feel particularly inclined to share while we were all confined to that courtyard.

[ Zhongli keeps what he hopes to be an unthreatening distance as he approaches the frozen bookshelves. He squints at the spines, attempting to read the titles through the thick sheet of ice. ]

Is there anything in particular you are looking for?