"Firmament Secret Realm!" Yuan Tiangang's brow twitched at the words.
"Imperial Advisor Yuan, do you know of that mystic realm?" Shen Luo asked when he saw this.
"I happened to see it recorded in ancient texts. It is a renowned burial ground for immortals, but I know nothing more about it." Yuan Tiangang shook his head.
A burial ground for immortals—an apt description indeed, Shen Luo thought to himself.
"The circumstances there can be explained to you both in detail when there is time. I came here this time to report another important matter to Duke Cheng and Imperial Advisor Yuan," he said, quickly recovering himself...
"Oh? Go ahead and tell us." Yuan Tiangang flicked his whisk and nodded.
"I just returned to Chang'an City and learned from Fellow Daoist Gu that officials of the Imperial Astronomical Bureau's hydrology department had been murdered and that the earth veins had been altered. One of the altered earth veins leads to the Yin Ridge Mountains northwest of Chang'an City. I once visited an ancient tomb there, and at its bottom was a spatial passage leading to the Netherworld." Shen Luo stopped there. With Yuan Tiangang and Cheng Yaojin's intelligence, there was no need for him to explain further.
Sure enough, Cheng Yaojin's expression darkened upon hearing this.
Yuan Tiangang, however, remained calm and showed no surprise.
Could Yuan Tiangang have known about this long ago? Shen Luo wondered.
"This is the newly drawn map of the earth veins and waterways, along with the results of this junior's investigation into the murder of the Imperial Astronomical Bureau's hydrology officials." Gu Hualing took out the waterway map and a jade slip, presenting them before Yuan and Cheng.
Cheng Yaojin eagerly took the map and jade slip. After sweeping them with his Divine Sense, his