After entering the Qi-Inducing Realm, Shi Lei actually no longer needed to hold the Wuji Stance.
However, perhaps feeling that holding the stance allowed him to absorb more Spiritual Energy, made it easier to control his Spiritual Power, and was better suited for practicing the Wuji Stance Technique, or perhaps simply out of habit, he still chose to practice the Wuji Stance Technique in that posture.
Shi Lei once again checked his current realm and cultivation level.
Chapter 88