C1687 Alarm bell

Xue Yinglian's words were telling Qin Lang that once those hellish creature swarmed out, they would most likely come into contact with humans. When that happens, their genes will invade the human world, just like the invaders on Earth. But the difference was, the invading life forms on Earth would only disrupt one side's ecological balance, but once these life forms on Underworld opened the door