Using his sword to dig open the ground, it was fairly easy at first, with nothing but dirt. After a while, however, it was almost all rock, and his speed slowed considerably. Left with no choice, Nie Yun unleashed his strongest move, the Great Evolution Tianji Sword.
This sword technique he had learned from Yan Huang Hall was indeed powerful. The rocks turned to powder at the slightest touch, and his digging speed was even faster than before.
However, if the mighty expert who had created this sword art knew that the descendant who had learned it was using a sword for the first time not against an enemy, but to dig a hole, he would probably be angered to death.
Digging as he advanced, Nie Yun traveled for a full two hours. Then his body suddenly felt light, his footing slipped, and he fell into a cavern.
The crack above had been extremely narrow, not even wide enough for one person to enter. Here, however, it suddenly opened up, dozens of times larger, like an underground palace.
"It probably wasn't man-made, but a fissure formed by shifts in the earth..."
After observing it carefully for a while, Nie Yun made his judgment.
This enormous karst cave connected to the fissure above. From the looks of it, it should have formed naturally rather than been made by people, as there was not the slightest trace of human presence.
The cave was filled with the smell of sulfur. Waves of heat rushed at him from time to time, making it feel as though he had come before a blazing furnace.
With a flick of his wrist, he took out that leaf again and tapped it lightly.
The leaf indicated a direction. Following the crack, Nie Yun made his way forward step