For Mei Ge, besides the requirements for Feng Shui, another aspect of cultivating the Nightmare Bug was the body used for breeding the Gu.
Although her Uncle Kafka was a Western Caucasian, he had studied Chinese Qimen Dunjia, Feng Shui treasure location, and Miaojiang Gu techniques to a certain extent. It was through her uncle's introduction that her mother met her Chinese father in the first place.
It was said that in his youth, her father had gone tomb raiding with her uncle. And it was perhaps in the ancient tombs that her uncle found a body suitable for cultivating the Nightmare Bug. The larvae of the Nightmare Bugs were indeed discovered in those ancient tombs.
"Are you suggesting that ancient Chinese also used Nightmare Bugs to guard their tombs against grave robbers?"