Qin Feng's massacre lasted up to one full month!
He did not know just how many ultra beasts he had killed, if it did not number around a million, there at least had to be more than a hundred thousand slain.
The once lust and vibrant prairie from the previous month had disappeared, there were not many ultra beasts around but there were still plenty of mutant plants that people could research on.
Within this month, countless materials were taken away from this Fettered Land by Qin Feng and in just a month's time the civilians in this team had all broken through into becoming E-tier aptitude users, even the one capable gunner had broken through into D-tier.
Such terrifying promotion would shock people.
This experiment was undoubtedly a success!