In Chapter 558, 7

when she took the necklace, she found that the necklace was still a storage article. Compared with other space articles, the storage space of the necklace was a little smaller, even less than half a square.

miraculously, this small space will only appear after wearing a necklace. There is only one tin book made entirely of metal.

seems to be a diary. The owner of this necklace is quite different.

it records some deeds of the necklace owner and some secrets unknown to outsiders.

not long after the world appeared in the void space, the first group of practitioners began to open up the aura of...