Zhang Zhe and Fairy Xia had completed what they needed to do the moment they entered this sealed space. As for that enormous Profound Light Crystal Stone, the two of them no longer had any means of cutting it apart.
All they could do now was watch Qin Fengming work.
The three of them had already signed a contract, so naturally they did not need to worry about Qin Fengming going back on his word.
At this moment, blue light flickered intensely in Qin Fengming's eyes as he stared at the colossal array before him. His expression had become exceedingly solemn, utterly different from his usual bearing.
The profundity of the array before him had already filled Qin Fengming's heart with curiosity.
Of all the things Qin Fengming had encountered during his several hundred years of cultivation, the profundity of this array could definitely rank among the foremost. Even the array revealed on the altar he had encountered in the Immortal's Remnant Land, and the restrictions he had come across in the Immortal Mountain Secret Realm, did not give him a feeling as unfathomable as the artistic conception revealed by the array here.
Based on Qin Fengming's judgment, this array should have been set up in ancient times.
It was even more ancient than the Three Realms War, when the Human Realm, Ghost Realm, and Demon Realm had first taken shape.
Only in that era could all kinds of precious materials have been so abundant, making it possible to gather enough rare materials to set up the Yin-Yang Demonic Heaven Energy Transformation Array, which existed only in the records.
And that Profound Light Crystal Stone, two or three zhang across, could only have existed in that era as well.
As for why that Profound Light Crystal Stone had remained inside