"A lin origin stone vein?" Atop the enormous boulder, the old man looked rather surprised. Yellow spiritual light instantly appeared in his eyes, and a vast surge of soul power swept outward.
"Where?" The old man's hand stroked the yellow lin origin stone four or five times before he asked.
"Demon Venerable, it's inside a grotto-heaven. That grotto-heaven is hidden beneath a pool of water. I only happened to see it by chance."
"Who else did you notify?"
"Only you." The demon turtle continued speaking in human language.
The old man did not delay, directly taking the sixth-rank Negative-Origin Turtle out of the secret realm.
They sped through the air. Seeming to feel the sixth-rank Negative-Origin Turtle was too slow, the old man scattered quite a bit of spiritual light from his body, causing the sixth-rank Negative-Origin Turtle's speed to increase sharply.
Before long, they arrived before a small, deep-green pool.
The pool was very secluded, surrounded by towering ancient trees, as if too much light had been blocked out.
The branches and trunks of these ancient trees were also covered in moss and aged, cracked vines.
The sixth-rank Negative-Origin Turtle landed first, and the old man also stepped down from the turtle's back.
Spiritual light appeared in his eyes once more, and a surge of soul power spread in all directions before finally seeping down beneath the pool water.
As the spiritual light arrived, the pool seemed to be parted by someone, revealing a water channel and exposing the muddy marsh at the very bottom, the pool's spring, and an ancient stone covered in water moss.
As his divine sense sank in again, everything inside the grotto-heaven appeared before his eyes.
"It really is an earth lin stone vein, but unfortunately the spiritual energy is a little lacking." The