At that moment, a whistle was heard suddenly, following which, all the zombie crowds stopped moving. The people from the base kept attacking them, so many of them were soon put down.
"What… what's going on?" Seeing all the zombies stop moving, Earth Dragon Base people were stunned. They gazed at those zombies which were crazily rushing in and attacking people with claws and teeth just now with confusion.
"I… I don't know!"
"Don't just stand there! Now is a great chance! Keep attacking!"
"Yes! Attack! Attack!"
The zombies stopped moving, yet the people from the Earth Dragon Base didn't. They grasped the opportunity to attack those zombies even harder.
"But, I think I just heard a whistle… What the hell!" Someone noticed that whistle, but soon forgot about it and focused on killing zombies.
At that point, another whistle was heard.
"Eh? Again!"
"No… Look, the zombie crowds are drawing back!"
"I… I think you're right!"
