Ye Futian was still immersed within the Thunder law power, and at the same time, he was also sharing his perception and interpretation with Beigong Ao.
The more he perceived, the more he realized just how powerful the Thunder method was. People who had reached the peak of their cultivation had synthesized their Power of the Great Path and Art of Attack perfectly together and transformed it into the supernatural Art of Supreme Attack. Its power was frightening.
Since this person who had reached the peak could actually reach the Eastern Deity Island seeking a divine pill with just a strand of his will, the law power that he left behind was most certainly abnormal. As such, it was incredibly powerful.