Li Yuzhen stared blankly at the seven-colored pearl, surprise flickering in her eyes. "A soul pearl?"
She had once been a spirit guard and had been to the Outer Realm Battlefield, so of course she knew what a soul pearl was.
She only knew that demon crystals were hard to find, while soul pearls were even rarer, almost impossible for humans to obtain.
Demon crystals were hard to find, but a small number still ended up in people's hands.
Demon crystals lay within the bodies of the Demon Race. Though they could explode and destroy themselves before death, there was still a chance they would not have time to do so.
Soul pearls, however, were rarely seen.
They almost never fell into human hands.
That was because soul pearls were not inside Heavenly Demons, but were often located elsewhere, outside their bodies.
Even if one killed a Heavenly Demon, one could not find its soul pearl.
Yet now, she was actually seeing a soul pearl. It astonished her beyond measure.
Chu Zhiyuan said, "You recognize it, don't you?"
"So this is a soul pearl?" Li Yuzhen examined it and gently shook her head. "It's my first time seeing one."
Chu Zhiyuan smiled. "This is a Heavenly Demon's soul pearl. With it, you can sense nearby Heavenly Demons. Of course, how far you can sense depends on your cultivation."
"...Imperial Son-in-Law, this is far too precious." Li Yuzhen sighed.
With this soul pearl, they could sense Heavenly Demons. Its impact was simply too great, too important.
The Great Heavenly Demon's possession had always been a thorn in their side, and there was also the matter that had recently troubled Her Highness: they could not find the Devil Race experts within the Cave Heaven.
Now that they had a soul pearl, everything