After I finished speaking, I followed Master Sword Demon into the ruins of the huge formation. At the center was a gigantic sinkhole, and dense demonic qi still billowed from below. Looking down into the bottomless pit, Master Sword Demon and I leaped in. As we descended, demonic crystals grew all around us like fruit—some were at the fifth level, while others were sixth level or higher. Their numbers were astonishing, making the place look like a land heavy with ripe fruit.
I had never seen an immortal-crystal vein, or any other kind of mineral vein for that matter. As far as I knew, even immortal-crystal veins were nowhere near as thick as what lay before us. Clearly, this place had been forming for countless years. Demonic crystals carpeted the ground, free for anyone to harvest. Any demonic cultivator who saw this would probably be so shocked that they would be left speechless.
"The farther down we go, the more there is. Now that the great formation has been destroyed, I expect many demonic cultivators will soon stage an earth-shaking battle here. At most, we can only harvest the ninth-level demonic crystals below. We could never spend them all anyway, so let the youngsters fight over the rest." Master Sword Demon spoke indifferently.
"Yes, Master. But is it really all right for us to give up so much?" Looking at the countless demonic crystals, I knew ordinary cultivators disdained such things, but there were still plenty of demonic cultivators in this world. This mine would drive them mad.
"We eat the meat, but we should leave them some broth. Besides, thinning out the demonic cultivators a little would be a good thing. Heh heh." Master Sword Demon showed no mercy. Then he continued, "Actually, this should be the main opening