The only possibility was that he was not afraid of Li Yu's sword.
However, Li Yu was sure that it was definitely not an illusion. Either he had some sort of heaven-defying life-saving ability, or it was only an incarnation or a clone.
His true body might be hidden in the surrounding void, or even not here at all.
According to Venerable Xue, this person could control time and space and possessed many unpredictable divine powers. Furthermore, Li Yu's Heart of Heaven and Earth and the power of the Primordial Origin True Body could not sense or touch him at all.
This also meant that this person was not simple.
"Long time no see. Emperor Yu's strength has indeed increased again. This strike almost took my life!" The Primordial Emperor's voice sounded from all directions.
The moment this voice sounded, the expressions of the native cultivators in the valley changed. The Wang family and the Mu family were also shocked.