How about the level of Gao Daoyuan?

Gao Daoyuan is one of the outstanding and influential teachers in divination culture. Gao Daoyuan, whose word is far away, is Mr. Luoyang. Born in the Wanli period of the Ming Dynasty, he grew up in Danfeng County, Shangzhou County, Shaanxi Province. He was an official and a teacher in his early years. During this period, he began to have a strong interest in Wei Zidou's books.

Later, he resigned from his official position and teaching position to concentrate on the study of Wei Zidou's books. After years of hard work and practice, he has made remarkable achievements in this mysterious field of knowledge.