After refining Great Emperor Shennong's Hundred Herbs Scripture, he had read through all its contents, yet found no explanation of those two characters.
Nor had he ever heard of an iron plaque with such a shape.
"I can't make sense of it, but Stone Turtle definitely knows. Asking it might yield some useful information!"
After studying it for a while and discovering that the iron plaque contained nothing but those two characters, Nie Yun suddenly thought of Yan Huang Hall.
Since this thing was confirmed to be connected to Great Emperor Shennong, and he himself could not understand it, Stone Turtle, as the Artifact Spirit that had followed the Great Emperor, should know something.
"Let's go!"
With that thought, Nie Yun did not hesitate in the slightest. He left the Storage World, took out a talisman, and vanished from the room with a movement of his mind. The next moment, he appeared once more in Yan Huang Hall.
"Senior Stone Turtle!"
Entering the familiar grand hall, Nie Yun looked toward the Stone Turtle statue in the distance and cupped his fists.
"You're here. What medicinal herbs do you need this time?"
Stone Turtle's voice rang out.
Not much time had passed since his last visit. In its view, he had probably come again to search for medicinal herbs, just as before.
"I don't need medicinal herbs this time. I came because I have something I wish to ask you about, Senior," Nie Yun said.
"Speak!"
Stone Turtle gave him a curious glance.
"I happened to obtain an iron plaque. It seems to be related to Great Emperor Shennong. I wonder if you recognize it, Senior?"
Nie Yun did not hide anything and took out the iron plaque.
At the sight of it, a flash of excitement passed through Stone Turtle's