C507 immortal embryo

"What is this skull made of, for it to be even stronger than his heaven-defying physique?" Ye Xuan couldn't help but mutter in his heart.

Of course, the Ye Xuan at this time did not expect that he indeed had a heaven-defying physique, but he was still too weak now. To put it in an unpleasant way, he had not even activated even one percent of the strength of his heaven-defying physique