More time slipped by. In the blink of an eye, two months were gone. Meng Hao and Chu Yuyan had now been trapped in the volcano for half a year. Within the two months, Chu Yuyan would occasionally leave the area of the cave. Sometimes it was when Meng Hao was watching her, other times it was when he was away. It seemed as if every time she had some problem with the formula, she would pace about. However, she would never enter the region within three hundred meters of the lake of blood. She would always stop at that mark.