The Mysterious Turtle Stone Door

The Mysterious Turtle Stone Door

Lin Cai and the other three gathered in front of a round stone door, discussing something.

The door was black all over, with faint marks from blows on its surface. It had clearly been damaged by human hands.

"What's going on? It's just an ordinary stone door. Why not break through it?" Liu Chen walked over and asked with a frown.

"This is no ordinary stone door. It was made from Mysterious Turtle Stone, a rare Artifact Refining Material. Apart from brute force, most spells and spirit tools can't do a thing to Mysterious Turtle Stone," Lin Cai explained with a wry smile.

"Mysterious Turtle Stone!" A flicker of surprise crossed Shi Yue's eyes. Mysterious Turtle Stone was indeed a rare Artifact Refining Material, and it had become hard to find in the Great Tang Cultivation World.

Some artifact refiners even bought Mysterious Turtle Stone at high prices. Mixing some into a Defensive Spirit Tool could improve its defensive power.

"Most spells and spirit tools can't do a thing to it? Is that true?" Liu Chen asked doubtfully.

"Didn't you say you found a restriction? Where is it?" Shi Yue asked curiously.

"I've already broken the restriction, but this stone door made from Mysterious Turtle Stone is blocking our way. If you two don't believe me, feel free to try it yourselves," Lin Cai said generously.

Liu Chen nodded and said solemnly, "Everyone, stand aside. And Madam Lin, reinforce the cave with your array, so it doesn't collapse."

Lin Cai agreed. She took out over a hundred Yellow Array Flags and tossed them into the stone walls near the door. Then she brought out a triangular Yellow Array Disk and struck it with a spell seal.

Yellow light rippled across the surrounding stone walls, and