It was just an ordinary cave. In Adrian's lifetime, he had experienced countless mysterious and magical things. Even the most ordinary experiences seemed more interesting than this cave expedition.

Lyra held Adrian's hand as they walked into the cave. When they heard the howling wind, Lyra asked, "Listen. Doesn't that sound like the wailing of a monster?"

Adrian smiled and replied, "It's just the sound of the wind. There’s no monster here."

"Come on! Let's go inside and take a look. This cave is pretty deep. Last time I was here, I didn't dare to walk to the end," Lyra said.

The two walked deeper into the cave, and the wind continued to whistle in their ears. The cave was approximately ten meters in length and width. Along their journey, they saw small bats flying through the darkness. After a few minutes, Adrian felt that something was off.

"I don't know. I walked for over half an hour and still didn't reach the end the last time I came here," Lyra replied.

Stopping in his tra