Who are the three emperors of Zhenwu Emperor?

Zhenwu the Great is the Four Saints of the Arctic, and all four Saints of the Arctic have their titles. The Four Saints of the Arctic belong to the Purple Devil Emperor of the Arctic.

The titles of the other three emperors who were born in Tian Peng Zhenwu Arctic Four Saints were Tiandi, Danshen and Tiandi, among which Marshal Zhenwu was Zhenwu the Great.