The underground world was dark, devoid of light, cold, and damp.
Two figures flashed through the darkness before finally landing atop two enormous protruding rocks. One glowing stone after another was tossed from their hands, illuminating the surroundings.
"So this must be the source of the underground river."
The light shifted, revealing their faces.
They were none other than Lin Bai and the Barbarian Sect's Holy Son, Tuo Baxin, who had pursued the source of the underground river all this way.
Before them stretched an incomparably vast expanse of water, like an enormous underground sea. The two of them both activated their Mystic Eye Techniques, yet neither could see the boundaries of this immense body of water.
There was no light source in the underground world, leaving the surroundings shrouded in darkness. Waves rolled across the Underground Sea, and the sound of water echoed through the darkness, making the place seem especially gloomy and terrifying.
The area was exceptionally tranquil, so quiet that it made one's hair stand on end.
"This place truly contains extremely pure spiritual energy and the energy of the earth's ley lines!" Tuo Baxin crouched slightly and lightly touched the ground with his palm, as though he could feel the pulse of the land.
Lin Bai watched his every move curiously. "Forgive me for speaking frankly, but I've noticed that as long as both your feet touch the ground, you keep absorbing the spiritual energy and ley-line energy of this land?"
Using his Asura Dharma Eyes, Lin Bai saw the cultivation technique circulating within Tuo Baxin's body. Whenever both of his feet touched the ground, a force surged in through his soles and then coursed through his extraordinary meridians and eight vessels.
This gave Lin Bai a very strange feeling, as though Tuo Baxin only needed