After sneaking into the taxi, Zhang Lisheng discovered he had never heard of some specific terms regarding the occupation division of the Western Darkwalkers in the conversation between the taxi driver and Miss Spider.
However, according to the meaning implied in their conversation, the young man could roughly speculate that the term 'believer' should be a profession that could display a certain exclusive power for showing devotion to an ancient god.
Such an occupation somewhat coincided with the cultivators of the Witchcraft's Gate of Sacrifice, closely related to the beliefs of ghosts and gods. It was likely that there would be a method of utilizing the power of faith reasonably.
