The Sect of this Holy Sepulchre is not indigenous; it originated from the Southern Plains...
But that was several hundred years ago.
The cultivation method they practiced seemed unproblematic, and everyone was quite optimistic about it. However, after Wang Qizheng sent people to the border, they still turned to ash.
Upon closer consideration, it appeared they too had issues.
According to what they themselves claimed, they had a fondness for necropolis construction and specialized in cemetery cultivation, which required a vast number of the deceased.
Can a grave without a corpse even be called a grave?
Even though they didn't refine corpses, their cultivation method required the interment of bodies. Otherwise, where would they conduct their cultivation?