"Ren Ze changed his identity this time and submitted a hundred Mid-grade Spirit Crystals in one go. Added to the Spirit Crystals he obtained earlier under his original appearance, this... is no small sum."
"If this were the Hundred Thousand Mines of old, it would be one thing. But this place has already been mined for thousands of years. The easily obtained Spirit Crystal resources were depleted long ago."
"Then... where could these Spirit Crystals have come from?"
The mustached cultivator continued explaining. At the end, he cautiously posed a question.
"The Night Clan is renowned for its skill in finding Spirit Crystals and Spirit Ore. In that case, your guess does make some sense."
"But the Night Clan vanished without a trace many years ago, and their methods are strange to boot. Finding them would likely be even harder than finding Su Shi'er."
"If you have a solution, just say it. Don't tell me you said all this merely to give me that conclusion."
The slightly plump cultivator pondered briefly, his burning gaze fixed on Wu Hongfei.
Wu Hongfei twitched his pair of mustache ends and hurriedly said, "Ren Ze and Su Shi'er disappeared together back then. Now that Ren Ze has appeared, Su Shi'er must be watching from the shadows... In my view, he will surely reveal himself before long."
"Have you considered that, since the two are not acting together, they may have disagreed and gone their separate ways? Or perhaps... Su Shi'er merely used Ren Ze as a test subject, having him probe a way to leave Bi Yun Xuan?"
The slightly plump cultivator's brows slowly furrowed.
Wu Hongfei froze at his words and asked cautiously, "Martial Brother, you mean...?"
"If Ren Ze were still alive, Su Shi'er would certainly appear. But since Ren Ze has