\[ \ce{[M^{2+} \cdot (H2O)_4]^{2+}} \] The equation glowed on the screen, but Wanilianna knew the story behind it was far more exciting than any formula. Two weeks earlier, while hiking alone— solo —through the misty valleys, she stumbled upon a crystal that pulsed with an inner light. The locals called it “the heart of the mountain.” Curious, she collected a fragment and rushed back to her makeshift lab in the attic.