The Mountain Dragon King was an earth-attribute being, so its power in conjunction with Tang Wulin's powerful body allowed him to quickly drill his way into the earth.

His arms were occupied as he had to protect Long Yuxue, so he could only use the sharp edges of his wings to clear away the earth in his path. His physical constitution had already far exceeded the realm of what was humanly possible, and soon, he had burrowed several dozen meters into the ground.

At this depth, even underground radars would have a very hard time trying to detect him. However, it was also quite difficult to move this deep underground, so he wasn't exactly racing along.

In a situation like this, Tang Wulin's immense spiritual power played a very important role. Through his ability to sense earth-attribute elements, Tang Wulin was able to quickly get a grasp of the underground structure within a radius of around a kilometer,...