Why has Guizhou's geomantic omen never been world-class or century-class, affecting thousands of generations?

Where did you get this statement?

Generally speaking, dragons in China originated from the ancestors of Kunlun.

Under the branch

Dragons in Guizhou belong to the following branches.

Generally speaking, dragons in Sichuan, Guizhou and Yunnan are not very real. At least the trapped dragons in Sichuan escaped, and the rest basically didn't go out.