Human actions are controlled by nerves, which in turn obey the central nervous system. Just now, Zhao Yang inserted a silver needle into Zou Lita's acupoints within the Eight Extraordinary Meridians, disrupting Zou Lita's brain nervous system, hence the symptoms of convulsions throughout his body.
As the nerves throughout his body were in a violent and disorderly state, Zou Lita tried to forcibly control his right hand, the nerves' capacity for endurance exceeded the load and snapped. That's why his right hand, although it seemed unharmed, was already ruined.
Zhao Yang stood in front of Zou Lita, coldly watching Zou Lita, who could only gasp and moan like a dying dog. At this moment, the only thing Zou Lita could move were his eyeballs, which he rotated desperately to look up at Zhao Yang who was standing above him.
