C765 Secret Secrets of the Yin Tomb(1)

Nangong Yu sucked in a breath of cold air and widened his eyes. In these densely packed coffins, the ones that were buried were actually supreme beings?

So many!

He opened his Profound Heaven Eye again and began to observe. He looked around. A dark grave was buried deep underground, and the coffins were placed one after another. There were countless of them, densely packed