C620 Prepare for the Test

As Yang Rui read the system's prompt, he couldn't help but feel a sense of resignation. The rarity of the 99 World Power Crystals was unquestionable; they were exceedingly hard to come by. Yet, the presence of World Power Crystals here puzzled him, a question he had yet to unravel. On a brighter note, the System Resurrection was finally showing signs of progress