C561 Finding a Good Method

After Guan Changfei heard Yu Tianfeng's explanation, he also shook his head in disbelief. Then he said, "So that's how it is. No wonder no one succeeded in the past. It looks like that place was really designed for the two of you."

"No, if it wasn't for so many things that happened, especially when we saw Lau Yiheng's death with our own eyes, the two of us wouldn't have been able to pass