After pondering for a moment, Su Shi'er immediately asked, "Senior, did that Daoist back then mention any method of passage?"
"The Daoist did not mention any specific method of passage. Besides, this old man has not ventured deeper into the Immortal Ruins again for hundreds of years."
Sang Xuangu shook his head and pointed toward the other end of the fragmented jade.
"Previously, in the jade slip Wujie sent some years ago, several places were listed as forbidden areas not to be entered without permission."
"The end of this old path is one of them."
Su Shi'er's gaze narrowed slightly.
On the fragmented jade, a fine line that bypassed the broken bridge pointed straight into the depths of the Immortal Ruins.
At the end of that fine line stood an immortal palace with only half its outline visible.
As Su Shi'er looked at that outline, the thought that had just arisen in his heart only grew stronger.
It seemed he truly needed to make a trip here.
Standing nearby, Sang Xuangu marked the places he had just indicated one by one with faint traces of Immortal Essence.
"These are the places this old man knows for certain have already been destroyed. If you truly intend to venture deeper, you may begin investigating from these locations.
"As for the rest, only you can uncover them by going there yourself."
Su Shi'er accepted the fragmented jade and cupped his hands. "This is already enough. Thank you, Senior."
Sang Xuangu said no more.
He returned to the cave entrance and sat beneath the ancient lamp.
As the lamplight flickered, his petrified left arm hanging at his side remained utterly motionless.
Half a day later.
Inside the stone chamber, Su Shi'er activated the formation again, concealing his tracks.
With a wave of his hand,