Chapter 380
- Ye Wuque's figure was hidden behind the tall bookshelf, and he stretched out his hand and pulled out a white-covered book.
- As soon as the book started, Ye Wuque felt that it had a peculiar touch, as if he had touched a layer of dry and noisy old leather, and there was no dust on the book. It seemed to be well preserved and had a long time to take care of.
- "On the four realms of copying the array."