This was the "Refining Gua" from the Turtle Coin Divination Skill.
He extracted the blood and marrow of the spirit turtle, all of which were used to nourish the turtle shell.
Once the divination object had been refined, it could be used as a base for divination.
"The Blood Refining Technique is the simplest and most crude method of refining. However, the medium produced by this method generally does not last long,"
"A more advanced method is the Soul Refining Method, which extracts the spirit turtle's blood, marrow, and soul."
"There is also the Spirit Refining Method, which does not require killing the spirit turtle."
"But now, I'm just practicing, and can't handle anything too complicated."
Zhao Xing followed the instructions of the Turtle Divination Method, infusing blood and marrow into the turtle shell.
Soon, the shell of the eighth-grade spirit turtle emitted a dark red glow.
"Now that the medium for the Gua is ready, I can use many methods to divine,"
