Zhang Deli frowned and said, "Under normal circumstances, the materials used for setting up mechanisms are of superior quality, especially facilities like iron chains, which are usually made of fine iron or Hundred-Refined Steel. How come it's not working here? Could it be because it was built overseas, without convenient conditions?"
Another senior expert said, "Maybe the conditions at the time didn't allow for it, and the treasure was hidden in haste. The materials used were of poor quality, and, combined with the hot, damp climate here, some materials have decayed."
Ye Fan used his Clairvoyant Eye to inspect again. The iron chains had completely deteriorated and turned into lumpy rust with many voids. It was impossible to repair them with tools. Then Ye Fan turned his attention to the stone door and observed it carefully. After a while, Ye Fan marveled inwardly.
