Chu Yuan, a prosthetic doctor, opened a black clinic in garbage shelter No. 508. Today, the strongest cybermaniac in the city surrounded his operating table - because ten hours ago, Chu Yuan changed an unlucky man's broken mechanical arm into an ion cannon. Now all the bounty hunters in the city want to rip off his head in exchange for a reward. He calmly inserted the scalpel on the table: "Sorry, I just installed a brain-computer interface on myself, and the signal is too good." The next second, he bent down and smiled at the bully lying on the operating table: "Welfare activity, I will help you expand the modification slot for free for one hour - and then I am curious, can your organic eyeballs be able to withstand the speed of a hound?"