Almost no one can impress him in terms of sniper shooting, if you succeeded, you are really cool.
MacMillan has brilliant sniper skills and abilities. In order to accurately fire a shot, he only needs a split second to aim. A sharp mind and quick wit play an important role when preparing for serious operations. MacMillan, in his own way, is reserved and calm, even in critical situations. Despite his injury, he can still participate well in combat and shoot accurately.