C158 Only One

Jiang Cen pushed the circular disk. However, he discovered that the disk seemed to be rusted and it was very difficult to move.

He exerted force with his five fingers and turned the disk.

"Why is the Formation's mechanism so tight?" Jiang Cen muttered, "It probably hasn't been touched for a long time."

The sound of an array disc grinding together could be heard from the bottom of his feet