Core of the Promethium-Radium Crystal.

Summary

Li Yu He, feeling betrayed after his answers were stolen by Shi Chui, returned home disillusioned and decided to abandon his studies. He reflected on his relationships, particularly with Zhong Chen Ran and He Ding Zhe, vowing to settle scores. His mother revealed troubling family news, including his uncle's imprisonment for bank robbery, and suggested a visit. Li Yu He agreed, wanting to understand his uncle's past. Meanwhile, at a research institute, friends excitedly tested new devices capable of detecting hidden Pralais and translating their language. As Li Yu He visited his uncle in prison, he sensed a deeper connection to the mysterious Crystal Source, hinting at a shared, troubled legacy.

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