C66 Advancing to the Yinyang

"This astrolabe doesn't seem to have anything special about it!"

Yang Rui examined the astrolabe in his palm, which resembled a circular disc, and frowned slightly as he whispered to himself.

As he murmured, Yang Rui channeled a sliver of his divine sense into the astrolabe, and a clear set of spatial coordinates materialized in his mind. With just a thought