"I never expected you to actually get your hands on this thing."
At that moment, Taichu walked in from outside with his hands behind his back, holding a black-and-white stone in his hand, his face full of admiration.
This Yin-Yang Spirit Stone existed only in the Yin-Yang Divine Sect. It contained an incomparably dense Yin-Yang aura, and every single piece was extraordinarily precious. He truly could not imagine what method Ye Lin had used to obtain it.
Back then, a mighty First Tribulation Loose Immortal clad in black-and-white robes had descended upon Nameless Mountain. The entire mountain had been on high alert, thinking an enemy had arrived. Yet the man had merely left behind a Yin-Yang Spirit Stone before turning and departing.
The people of Nameless Mountain had been greatly baffled by this, and he had guessed that it must have been Ye Lin's doing.
"Master."
Ye Lin took the Yin-Yang Spirit Stone from Taichu and nodded at him.
"Alright, I've given you the item. I'm leaving."
After taking in the scene before Ye Lin, Taichu waved a hand and departed. One look was enough to tell that Ye Lin was about to do something major. Even as Ye Lin's master, he could not stay to watch.
This was a taboo for every cultivator—watching another person perform a technique was forbidden no matter where one was.
Watching Taichu leave, Ye Lin smiled faintly. He then tossed the Yin-Yang Spirit Stone forward, sat cross-legged on the ground, and formed hand seals. A fiery-red pill furnace appeared in midair before him.
What he needed to do now was melt all these materials, then proceed step by step according to the secret method within One Breath Becomes Three Purities.
Ye Lin threw everything into the pill furnace. Spiritual energy immediately surged throughout his