Chương 1037: Chapter 604: Hold a Grand Funeral as Compensation

"The density is off? Right, why didn't I think of that? You have the Ring of Balance; you can directly measure the mass and volume ratio. If the density is off, either it's hollow inside, or it's not rock," Negris exclaimed, slapping his side in surprise.

"Aside from that rock being off, is there anything else wrong?" Negris asked again.

Ange pointed at a nearby rock and said, "That one's off, mass XX, volume XX, it's not stone."

Negris quickly calculated the density and said, "This density is very close to that of a Demon Crystal; it's definitely not rock. Durken, go take a look; see if it's hollow inside."

Durken stepped out onto the celestial ladder, then turned into a wisp of smoke with a poof, reappearing at the edge of the rock. He touched the rock with his Gold-touch Stick, and his eyes soon lit up.

Quickly, Durken came back and announced to everyone, "You guys will never guess what it is."