"Let's go." Purpleleaf Zhenwu barked softly. More than a dozen roots extended from his back, radiating halos of earthy-yellow light. In the blink of an eye, the earthy spiritual light expanded to cover a radius of several dozen zhang, enveloping both Lu Xiaotian and Ye Ziyu.
With a thought from Purpleleaf Zhenwu, the three of them became like enormous yellow droplets, seeping into the ground at neither a fast nor slow pace. Moments later, they were already more than a hundred zhang beneath the earth. The earth spiritual power here was clearly denser than on the surface.
Before their eyes, they could see stones of various sizes embedded in the layers of earth, along with scattered earth-type spirit crystals and low-level demons living in the soil. The most numerous were earth-silkworm demons. They were shaped much like ordinary earthworms, except that their bodies were far larger.
The ground rumbled loudly. The two-headed monster, having struck empty air, pounded the earth from time to time in a fit of rage, or rammed into the spirit trees and mountain rocks nearby.
The thudding never ceased. After the two-headed monster roared for a while, Purpleleaf Zhenwu wore a grave expression and sank dozens of zhang deeper to avoid being discovered by them. Purpleleaf Zhenwu's earth-escape technique was indeed extremely wondrous. When it came to traveling underground, Lu Xiaotian and Ye Ziyu could not catch up even if they rode horses. However wondrous the earth-escape technique was, it still could not match the speed at which those two-headed monsters could travel across the surface at full force. Once they were discovered and forced back aboveground, another fierce battle would be unavoidable.
Even with Ye Ziyu and Lu Xiaotian added to the group, Purpleleaf Zhenwu did not want to create further complications. He only hoped