"Soul-devouring crystal stone? What is that?" Di Minghan asked with a frown, as he had never heard of the soul-devouring crystal stone.
"To be precise, it should be the favorite food of the soul-devouring magic worm. Therefore, only the soul-devouring crystal stone can lure the soul-devouring magic worm from anywhere! The last place where the soul-devouring crystal stone appeared was Xingchen Country! However, only a tiny piece as small as a fingernail appeared in Xingchen Country, and after being used, it was never seen again. As for other places, nobody knows where it might be..." Mo Jiuli said with some helplessness.
