Zhou Xun's heart stirred, and he cautiously approached the cave.
The instant he stepped inside, a powerful chill rushed at him head-on. He hurriedly circulated his Spirit Energy to resist it.
The cave was not large, yet it was filled with all manner of strange crystals. They flickered with an eerie blue light—Yin Shattered Crystals brimming with dense Yin baleful power.
Zhou Xun was overjoyed. For those cultivating Yin-attributed techniques, these Yin Shattered Crystals were exceptional cultivation resources.
"Truly an unexpected delight!"
Zhou Xun swiftly stored the Yin Shattered Crystals in his Storage Pouch, then continued investigating deeper within. Before him appeared a spring.
It was filled with exceptionally clear liquid—the Yin Energy Spirit Spring.
With a wave of his hand, Zhou Xun took out a jade bottle. Forming hand seals with both hands, he pointed at the spirit spring, and an unusual force collected all of the spring water.
"I didn't expect it to go so smoothly!"
Just as Zhou Xun finished collecting the Yin Energy Spirit Spring, a low buzzing sound suddenly came from the depths of the cave, as though some ancient restriction had been disturbed. His brows furrowed as he swiftly concealed his aura and warily looked deeper inside.
"Something's wrong..."
Sweeping the area with his divine sense, he discovered a hidden door at the end of the cave. It was covered in obscure ancient runes and faintly emitted the fluctuations of a restriction.
"There's actually another hidden place here?"
Zhou Xun's heart stirred. He cautiously approached the hidden door and examined it closely. Though the runes were ancient, he could vaguely identify them as some kind of sealing restriction, apparently set up to lock away whatever lay behind the door.
"Senior Bloodfiend, do you recognize these runes?"
The phantom of the Bloodfiend Forefather emerged. He