Among the four deva-kings, the happiest is well known Vaisravana of the North guardian. It is said that he and the Srimaha-devi are husband and wife (or brother and sister). In ancient India, he is a god to give happiness and guard wealth of Buddhism. And he is also called the deva-king of giving wealth. In the ancient Indian myth, he is a guardian of North as well as a god of great wealth. Therefore, he has the more disciples than the rest three deva-kings.

Now, the sculptures of the four deva-kings are based on the description in the novel Canonization of Gods. The four deva kings hold wind, tune, rain and success respectively, which means they will bring people good luck.