C449 The magic seed can blossom

Rong Hua asked: "Are you not allowed by the rules?"

Liu Chengfeng shook his head: "No, look."

Rong Hua saw Liu Chengfeng take out a rock. It was a Devil Soul Stone, but it was empty.

"This is?" Rong Hua pretended not to know.

"Only this stone can open that Spirit Formation. This stone can only be filled once a year. If I could open it multiple times, I wouldn't be so poor." Liu Chengfeng said