This was where Su Shi'er had first met Hou Sihai!
The moment he appeared, Su Shi'er's divine sense spread from between his brows, blanketing a vast stretch of forest in an instant.
Revisiting an old place, before Su Shi'er could even indulge in sentiment, his pupils suddenly constricted and his breath caught.
The next moment, Su Shi'er's figure flashed. Turning into a streak of light, he raced toward a cave deep within the secluded valley.
At the cave entrance lay dust scattered from crumbled rocks.
Faint fluctuations of a formation emanated from within the cave.
Yet those faint fluctuations also meant that a formation had once existed here—but had already been broken.
"Not good. Someone broke the formation here?"
As he exclaimed, Su Shi'er's expression hardened. His body swayed slightly, but he did not rush inside. Instead, divine sense spread from between his brows and immediately swept into the cave.
Under his divine sense, the cave was already utterly empty. Other than several damaged formation flags lying haphazardly on the ground, there was nothing else.
Seeing this, Su Shi'er's expression changed again.
Whether Leng Yan had any hope of resurrection or not, her body had surely been placed here by Hou Sihai.
If, even after death, her corpse had to be disturbed and taken away, that was something he could never tolerate.
Anger flashed through his eyes. Su Shi'er immediately strode forward, intending to enter the cave and investigate carefully.
But just as he reached the cave entrance, his footsteps came to an abrupt halt.
"Something is wrong. Before Hou Sihai perished, he was at least an Out of Body stage cultivator. Even if he had not returned to Muyun Prefecture for many years, when he set up this formation, he must have been at least at the late Nascent