Yu Ci had actually seen such a "disc" only once before—on someone else's skull. He had not seen its full form, but it had left a deep impression on him. Moreover, he could count on both hands the Buddhist objects he had encountered in this life, so he recognized it at a glance.
Golden Bone Jade Disc!
It was said that this object was made from the skullcap of an enlightened eminent monk and contained the spiritual blood of a golden body, possessing inconceivable mysteries. If implanted within the body, one could borrow the power of that spiritual blood to transform one's bones, cleanse one's marrow, replace one's blood, and prolong one's life. It was no worse than the Profound Truth Condensing Void Pill, and in its ability to improve one's innate aptitude, the Profound Truth Condensing Void Pill could not compare.
Back then, Xie Yan had wanted to buy this item to extend old Daoist Yu Zhou's life. Yet through a twist of fate, it had been intercepted midway by Blood Monk Tu Ling, disguised as Yi Xin, and used on his disciple Zheng Yan—though in truth, it was also a way for him to leave himself a path of retreat, in preparation for body seizure.
But later, Yu Ci had seen through that escape route and intercepted and killed him halfway, finally slaying the Blood Monk and saving Zheng Yan's life as well. After they had parted that day, thirty years had passed without another meeting. Why had he now encountered the wreckage of a Golden Bone Jade Disc?
In truth, Yu Ci did not know whether this Golden Bone Jade Disc had belonged to Zheng Yan, but he vaguely sensed something in his heart and needed further confirmation.
Just as he was considering how to find evidence,