From the bones

He hadn't noticed the woman's pain or perhaps he would have reconsidered what he was doing, but as it was he was already well into the swing of his chisel toward the crystal in question. The sharpened metal hit the crystal and it immediately cracked in half, the half not attached to the bar of metal falling to the ground. He had chipped or split or mined many, many stones and gems in his life, but none of them had the immediate recoil and reaction that this one did. The strike felt like it vibrated back up through his teeth and into his head, an instant headache feeling like it might split his skull open. He dropped the chisel with a grunt of pain, gritting his teeth as he fell back onto his haunches and pressed a paw to his temple. It hurt far worse than any other pain he had ever experienced and it felt like it was pounding on the inside of his skull harder than a hammer striking hot metal. With squinted eyes he caught a glimpse of the crystal he had broken off and he saw the glow start to diminish, but as it faded it was pulsing nearly perfectly in time with the painful ache in his head and that's when he began to dread and wonder what he had done.

"Ruga Amanto"