C160 Moving grave
Then, it would bow to the heavens and the earth as if it was a human being. This was a form of courtesy, don't look at how they were ghosts, but if they did it themselves, then they wouldn't be able to invite Yue Lao.
This is the reason why they requested me to do so. After three kowtows, the two of them had raised their heads and kowtowed to me, and I could see Ma Dequan's appearance