Everyone in Blood Wolf's team were predators by nature. They not only killed mutant beasts, and collected food, but also plundered other survivors. Because Blood Wolf was too strong, the whole industrial park was controlled by him in a very short period of time.
As for the survivors caught by them, several beautiful women were left for enjoyment, but most of the men were killed by Blood Wolf, some luckier ones were forced to collect food, gasoline and so on. However, they were all killed later. In conclusion, there were no "extra weight" in that team, everyone relied on their tenaciousness and viciousness.
This barbaric means of expansion were very effective in the early days of the doomsday. They could ask for a large number of weapons from the military by exchanging food and mutant meat. Moreover, Blood Wolf had looted the police station located in the industrial park, which let his team in having a lot of guns.
