chapter 436 Terrible pressure

There were densely packed traces all over the black stone tablet, but there were also many blank areas. The lowest of these traces is about ten meters deep and the depth is relatively shallow, while the highest one is almost in the middle of the stone tablet. Among them, there was a fist mark, which was located about fifty or sixty feet away on the stone tablet. The entire fist mark was deeply embedded in the stone tablet. Looking from a distance, it gave people a terrifying feeling of depth...