In the blink of an eye, Chen Lin had spent ten years in the underground cavern.
During those ten years, he had devoted most of his time to cultivation, regularly entering White Cloud Pasture to wait for Gege Yun to appear.
He had spent only a small portion of his time observing the book.
Yet after all these years, there was still no word from Gege Yun. Chen Lin could not help wondering whether she had abandoned this pasture and would never return.
Or perhaps something had happened to her, and she had already perished.
He no longer held out much hope for her.
The reason he could remain so composed, however, was not merely that his state of mind had improved again. He had finally uncovered some of the Black Book's secrets.
At a particular time each year, the book would emit a faint glow.
But it lasted only a few breaths.
At the same time, the entire cavern would tremble slightly. Otherwise, with it happening only once a year and lasting so briefly, neither he nor Grass might have discovered this anomaly.
"Master, it's about to begin!"
Grass's voice reached Chen Lin's ears. He immediately stopped cultivating, rose, and flew over to the Black Book.
Master and servant stood motionless, quietly watching the book.
About half an hour later, the book shuddered and began emitting a dim light, while the entire underground cavern began trembling slightly along with it.
The light from the book grew brighter and brighter, until blurry characters even appeared on its surface. But before the characters could fully emerge, the light rapidly faded and vanished in an instant.
Everything returned to normal.
Chen Lin swiftly landed and began carving into the ground with his flying sword.
There were already quite a few marks on