No matter how formidable a monster may be, it's still a monster. Zhou Tian's current opponents seem considerably smarter than the monsters they had encountered before. However, they still possessed all the weaknesses inherent to monsters, and these Beastman Warriors did not lack any of them. Consequently, these Beastman Warriors paid a heavy price for their habits.
They underestimated the players, treating them like easy merit points. They never anticipated that after they eliminated the players, they would face retaliation. Adhering to a monster's territorial instincts, once the Beastman Warriors claimed a territory, they seldom chose to relocate.
This led to the following situation— while the Beastman Warriors did kill off many players swiftly, their habit of never changing locations turned out to be a disadvantage. When the players remembered their locations and came back for revenge, the Beastman Warriors were inevitably caught.