As an Artifact Spirit that had lived for who knew how many years, Gui Ling had always been steady and composed. Aside from the shock Nie Yun had given him while clearing trials, he rarely lost his composure. Yet now, his voice was anxious, showing just how important this so-called "Illusion Realm Pearl" was.
"Illusion Realm Pearl?"
Nie Yun could not help asking.
"I told you before that the reason the Ten Thousand Year Corpse King came into being was because of the Illusion Realm Beast's blood... and this Illusion Realm Pearl is precisely the Illusion Realm Beast's crystal core!"
Gui Ling's voice came through.
"The Illusion Realm Beast's crystal core?" Nie Yun froze.
Back at the Wen Residence, Gui Ling had secretly told him about Illusion Realm Beasts. They were a peculiar kind of divine beast from ancient times, naturally capable of creating illusions that trapped people within them. Even Perfected Emperor Realm experts, and sometimes even Great Emperors, found it difficult to escape!
However, these creatures had gone extinct as early as the ancient era, leaving no trace behind. No one had known that this thing was actually the crystal core of such an Illusion Realm Beast.
"What is it used for?"
Nie Yun continued asking.
The Illusion Realm Beast was so powerful; its crystal core surely could not be ordinary.
"If it can be refined, it can help one comprehend the Illusionary Dao!" Gui Ling said.
"The Illusionary Dao? The forty-fifth-ranked Illusionary Dao?" Nie Yun's eyes lit up.
The Illusionary Dao ranked forty-fifth, far above Divine Thief and Immortal Voice Talent. If he could comprehend it, he could casually set up illusions that even Perfected Emperor Realm experts would find impossible to guard against.
"However, refining it will not be so easy. Illusion Realm Beasts place great