Xie Bi 'an is called the Seventh Master because Bai Anbiao of Xie Bi 'an is the seventh of the eight generals under the City God, and there are six civil and military judges, including Tauren, Horse Face, Cangue Master and Lock Master, while Heibiao is called the "Eight Masters".

In addition to Xie Bi 'an's impermanence, there are other underworld celebrities, such as Bai impermanence, Niutou, Ma Mian, Wheel King, Ye, Lu 'an Gongcao, rewarding good and punishing evil, and so on.

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Legend has it that Bai impermanent's name is Xie Bian, and black impermanent's name is Fan Wuxia, also known as "Seven Lords" and "Eight Lords". It is said that Xie Fan and his wife have been sworn brothers since childhood. One day, they walked to the foot of Nantai Bridge together, and it was going to rain. The seventh master asked the eighth master to wait for a while and go home to get an umbrella. Unexpectedly, after the seventh master left, the thunderstorm poured down and the river surged. Eight lords didn't want to stand up and were drowned by the surging river.

Soon after, the seventh master came with an umbrella, and the eighth master had disappeared. The seventh master was in great pain and hanged on the bridge post (so many impermanent images are long red tongues). The terrible Jia Xun was so loyal that he ordered them to catch these lawless people in front of Huang Cheng. Some people say that Sebian is to repay God and be safe. Fan is blameless, that is, those who break the law cannot be saved. Of course, this is all folklore.

Baidu Encyclopedia-Xie Bi 'an