Rumors say Ye Youming is strange, cold and cruel. True to this, Ye Youming is trully cold and cruel toward some inviduals like the Prime minister Qian's family (except Yun Xi) and the Western tribe as he viewed them as low life and a threat thus doesn't hesitate to kill them.
He also shown to be a caculator who knows how to get use of the others and take advantages from the others.
