The saying goes that one doesn't visit a temple without a cause; and since Wu Shijiu is currently seeking him out, Pei Xuanjing suspects there must be something important on Wu Shijiu's mind. Thus, Pei Xuanjing cuts straight to the chase, especially since he was unwilling to dally while tidying up his own cultivation practice. It wasn't that Wu Shijiu couldn't come to him, but rather, he shouldn't have come at this time.
After breaking through to become one of the Spiritual Realm Level Nine Strongest, for most of the powerhouses, this moment is the optimal state for them to become one with Heaven and Earth. Seizing the time for cultivation and then stabilizing their realm, or even taking a step further, is also a possibility.
