1. The storybooks that these players can get in Mond Library are of no practical use. In other words, it can only be used to let players read the stories recorded in the book.

2. Books searched by libraries and offices are classified as different rarities, and they all exist in the form of XXXX X volumes, so what players need to do is to collect all the volumes of each story in order to read the whole story details completely. In addition, a set of books can be unlocked successfully, and players will receive 5 original stones.