chapter 734 Genius medicine and martial arts

The young man had his eyes bulged out as he gasped for breath.
He had no idea what had happened, all he knew was that he was suddenly unable to feel anything below his neck.
And it happened in an instant.
His heart pounded crazily, and his mind went blank, as if struck by a loud noise.
Endless fear and shock overtook him.
What happened?
What on earth had happened?
Why had he suddenly lost all his strength?
What kind of being could have done this to him so stealthily?
Even...