C1220 Celestial birth 2

Cheng Fei looked at the gigantic stone door in front of him, and his eyes revealed a look of seriousness and curiosity. He reached out his hand, and quietly caressed the ancient runes on top of the stone door, his eyes revealing a glint of light.

"How does this stone door open?"

Cheng Fei asked from within his soul.

He might not know the method to open it