Seeking the name of a fantasy novel

The main character had a master, an old man, but in order to suppress his strength, this master hid in a very, very deep hole. Every time the main character went to look for him, he would be beaten up. After that, his strength would improve. It seemed that the main character's master was a member of some clan, and he was the only clan member who had endless life. There was also a book. This book recorded everything that happened in the entire continent, including some secrets that were rarely known! As the only remaining member of the tribe, this old man was responsible for continuing to fill in what had happened on the continent. Right, the memories of this tribe could be inherited, which meant that this old man had the memories of their entire tribe.

Answer 1

The name of this fantasy novel was " Nine-star Poisonous Milk."