After collecting the mutation crystals, these groups went back to the territory. But of course, during this time, they found one thing strange, during the time that they were out, they did not encounter anyone from either of the two territories.
Nonetheless, they did not care about that. They just proceeded with what had taken them out of the territory. Of course they were also afraid that they would be attacked by another zombie like the one that had attacked before. So, although it was thrilling to use the jeeps when attacking the zombies, making them feel completely vulnerable, they did not want to take any risks.
After they went back, Henry progressed to the upgrades. He upgraded several more vehicles. Additionally, he went ahead and purchased several equipment from the system store. Of course during the time that these groups of people had gone out, they had encountered several silver rank zombies.