When Siu Yeun San's family was attacked at the Gate of Ah Mun, Siu's martial arts were already powerful enough for him to handle thirty of Chinese wulin's best fighters at the time. As impressive as this undoubtedly was, weren't his martial arts at that point considerably weaker than those that his son Siu Fung would achieve in adulthood? Some thirty years later, Siu Yeun San, whose martial arts would have ostensibly improved after thirty years of secret training at Shaolin, was only about on par with his son.