What kind of character is Yang Gong in Lord Yang Gonglong?

Yang Gong, the dragon discoverer in Yang Gong, is a mountain family.

Yang Gong geomantic omen is the abbreviation of geomantic omen spread by Yang Junsong, a master in Tang Dynasty. Yang Gong geomantic omen is also called Ganzhou geomantic omen, because Yang Gong brought the geomantic omen originally hidden in the secret room of the palace from Beijing to Ganzhou to teach, and it gradually spread widely.