Outside the iron-clad factory building, on the Mercedes-Benz van, Hei Xin and Hei Xiong's eyes were firmly fixed on the small screen in front of them. With Hei Xin's gray mask on, his facial expression was unclear, while Hei Xiong's mouth was slightly open, his face showing a shock as if he had seen a monster.
After Ye Chenfeng had made it through another room, Hei Xiong had begun to believe that Ye Chenfeng might be able to pass the remaining two rooms. However, seeing it with his own eyes, the shock was beyond what words could express. He knew how ferocious these mutated tigers were; had he been thrown into that group of tigers, he surely would have been torn apart.
