1. Geomantic omen originated in primitive times, and the word geomantic omen originated in Fuxi times, took shape in Yaoshun times, matured in Han and Tang dynasties, and flourished in Ming and Qing dynasties. The origin is probably the Yellow River Basin, which is unknown.
2. Zhuge Liang is an outstanding politician in history, whose main ability is to engage in internal affairs and diplomacy and to coordinate ethnic relations. Because he is good at inventing and creating an eight-array map, it is hard to be trusted to say that he is not afraid of it, but Zhuge Liang is not famous for his geomantic omen, so he may know something, but he is not proficient.
3. The most influential Feng Shui master in China should be Guo Pu in Jin Dynasty, and there are many stories about him.