I wish I had aim like this!
A FEW THINGS THAT I NOTICED
 1) MOST LIKELY LOW FOV / ZOOMED IN AIMING ( ALSO DESPITE THE VIDEO BEING RECORDED WITH WHAT SEEMS LIKE FOV 80 ) COMBINED WITH STEADY HAND & 100 TR ( THAT CUP WAS RUN MAJORITY OF THE TIME WITH 100 TR )
 2) THROWING HIS QUITE STRONG TEAMMATES UNDER THE BUS ( WHICH IS WHY THEY ALSO LOST TEH CUP )
 2.a) BASED ON THE BATTLE SOUNDS HE GETS FREE INFORMATION WHERE THE OPPONENTS ARE
 2.b) HE GETS AN EASY SIDE SHOT FROM BEHIND THE CORNER WHEN THE OPPONENTS ARE LOOKING ELSEWHERE / BATTLING WITH TEAMMATES
 3) LOW ROLLOFF / HIGH VOLUME AUDIO TO LOCATE THE OPPONENTS
 4) WEAK OPPONENTS WHO RUSH INTO HIS LG 
THE WHOLE PLAYSTYLE IS SOMETHING SIMILAR TO HOW MEDCECTPA & ECSTA PLAY - THEY WAIT FOR OTHERS TO RUSH AND EXPECT THEIR TEAM TO DO THE FREON PART 
