Rhys straightened slowly, his breath still uneven, when another line of text etched itself across his vision:
[Correction Updated: Heartsteel is not a vein. It is the crystallized remnant of Ore Moles' hearts. When they die, their core pulse condenses into Heartsteel fragments. Gathered together, they may revive as a greater form.]
His eyes widened. "…So that's it. The ore moles weren't feeding on Heartsteel. They were Heartsteel. Walking remnants of it. Their bodies just flesh wrapped around a pulsing mineral heart."
He clenched his fist around the last fragment, the glow pushing faintly against his palm like it wanted to keep beating.
"No wonder they're so rare… most miners avoid these moles, but it turns out it was all their hearts all along."