He was definitely one of the most brilliant generals in Chinese history, though as far as personal character is concerned , he was a self-centered SOB!
The young general was definitely a genius. But he was very selfish and cruel, looking after only his own interests. He's the one who trapped and killed General Lee Guound's son, Lee Gan, who had defeated Hun invaders once and again in every battle. Within a year, his own one-year-old son passed away.