Lin Fei sensed the aura emanating from the jar, and his expression changed in fright.
This aura resembled Dongfang Tianming's from back then, carrying the pressure of a Heavenly Immortal.
This was definitely the aura of a Heavenly Immortal!
He stared fixedly at the black jar, ready to unleash the last strand of Immortal-Slaying Sword Qi at any moment.
If a Heavenly Immortal Realm Immortal-Eating Gu flew out of the black jar and could not be killed, it would become a grave disaster.
If it flew to Earth, everyone on Earth would die.
Even Dongfang Qingcang and Golden Treasure were alarmed by this aura. Their expressions turned solemn, and their bodies tensed.
"How could there be a Heavenly Immortal aura inside this black jar?"
"Could there be a Heavenly Immortal-level Immortal-Eating Gu?"
After a long while, the black jar remained completely still.
Lin Fei could not help but grow suspicious. He controlled the willow branch and sent it deep into the black jar. The inside was pitch-black, forming a space of its own.
Using the willow branch's senses, he explored the space within the jar and finally discovered something.
"This is... a skeleton?"
"And two golden Immortal-Eating Gu... cast-off shells?"
"The Heavenly Immortal aura is emanating from this skeleton and one of the golden Immortal-Eating Gu's cast-off shells."
Lin Fei wrapped the skeleton and the two golden Immortal-Eating Gu cast-off shells in willow branches, then removed them from the jar.
Dongfang Qingcang and Golden Treasure were both somewhat bewildered at the sight of these items.
Lin Fei immediately formed an analysis in his mind.
"This skeleton should belong to a Heavenly Immortal expert. He was most likely used to nurture the first-generation Immortal-Eating Gu."
"These two golden Immortal-Eating Gu cast-off shells should have been left behind after the first-generation and