C2668 I Created It
Because that was the creation of Lu Yu.
As soon as the shadow of the Underworld God appeared, the surrounding Yin Qi no longer obeyed Wei Tai's orders. Instead, they all turned to Lu Yu.
Lu Yu sat on top of the countless Yin Qi, like a general who commanded the Yin Qi. The surrounding cold Qi was oppressive, but it couldn't hurt Lu Yu at all