Tongbesi and the Crystal of Minsu

In this world full of unknowns and suspense, unnatural deaths occur frequently. Faced with various dangerous events that constantly involve themselves, where should everyone in "White Spider" go? Should I take a certain risk to become a "magician" or should I rely on my own practice to improve as an ordinary person? As the investigation progresses, the truth wrapped in fog gradually emerges. And these clues seem to point to one of the relics left behind by the 8th Tongbesi College Principal Charles after his death - the Crystal of Mingsu!