The Black Tortoise Formation had been broken!
"Where's the Formation Diagram... where's the Formation Diagram..."
The Grand Elder rushed forward, shouting in panic.
Lin Bai walked a few steps ahead and saw a stone platform deep within the Underground Palace. A treasure chest sat atop it, which should have been where the Formation Diagram was stored.
The stone platform beneath the treasure chest, as well as the ground beneath the platform, was covered in densely packed rune formations.
The Formation Diagram had been protected inside. Normally, if a thief entered, they would inevitably trigger the formations, and the Grand Elder would immediately sense it.
Yet all these formations remained completely intact. It did not look as though someone had stolen anything.
The Grand Elder charged in front of the stone platform, hugged the chest, and shouted. His voice was filled with shock.
"Master... Master..." Bai Yifei and Zhou Xinjin hurried over. While comforting the Grand Elder, they said, "Master, think carefully. Was it really placed here?"
"The Formation Diagram was placed inside this treasure chest, and there were formations I had set up all around it. How could it have vanished without a trace? How could it have vanished without a trace?" The Grand Elder's face was full of bewilderment. No matter how he thought about it, he could not understand how the Formation Diagram had disappeared.
When they heard that the Formation Diagram of the Black Tortoise Formation had vanished, Li Zai'en and Chu Xi's expressions changed drastically, revealing a trace of alarm.
Lin Bai, on the other hand, seemed to have already anticipated this outcome. Though his face was filled with intense displeasure, he remained relatively calm and did not lose his composure.
"Saint Son Lin Bai seems to have known this would happen? Did you already guess