This was the center of the entire mountain. This place seemed to be a natural karst cave, one that was divided into several levels.
It was like a meandering green python that coiled up to the top of the mountain. Directly below it was a green viscous swamp that was bubbling. Due to the high temperature, the steam formed a natural poisonous miasma.
Looking at the magnificent scene, Qin Xi fell into deep thought.
Although this karst cave looked like it was natural, there were traces of man-made modification everywhere, especially these rare herbs.
What surprised her even more was that there was an array formation in this huge cave that even she could not break. If she forced her way in, she was very likely to be killed by the array inside.
It seemed that the person behind this was definitely not as simple as a hidden family clan. However…
She looked at Jiu Yuan. Since she couldn't enter, she would let someone who could enter do it.