A Guide to Life as a Dragon Runner in Azkaban

Question, there is such a thing, it will send people to perform tasks, including combat, search, and evacuation. If you fight well, the intensity will be increased, and if you fight badly, you will be compensated. So what is it? It was suspected that he had learned some messy things at Hogwarts, and just like that, Lu Mingfei's peaceful life as a young boy was ruined. But, is that really the case?