C591 Empty Pen

It must be known that this hidden cultivation pool was not something that could be casually entered, it was specifically used by the imperial family and only Zhang Wuliang's bloodline was allowed to enter.

Even Meng Guangyuan and Zhi Tong had not personally seen this Cultivation Pool even after staying in the Immeasurable Holy Palace for so long, let alone going in to soak in it.

However