The first thing to say about this is the Twelve Ancestors, and people who have read the novel will definitely say.

The Twelve Ancestors are descendants of Pangu and Pangu Miao, and they are the same clan as the founder of Sanqing.

In fact, Zuwu was first seen in Shan Hai Jing, which is the belief of ancient terrans. The Twelve Ancestral Wizards represent all natural things that people see and hear, such as wind, rain and lightning.

As for how the twelve ancestors died. Many fairy tales explain that he died in the Lich War with the Lich family.

In ancient times, the demon ruled heaven and witch ruled the land, but there were many robberies between heaven and earth, each of which was129,500. The battle of the Lich was Pangu's second greatest disaster. So the twelve ancestors died ~