C303 He Couldn't Get Through It

I don't know which master left this formation, but it's ever-changing. After Qin Churen used the Yin-Yang Four Images to look at it once, even though she was a layman, she was still secretly amazed in her heart.

There were a total of 49 variations in the formation, and there were 81 traps. The only way out was to open it up every three days.

She couldn't help but feel complicated