Cheung Mo Gei fought the Shaolin Elders Do Geep, Do Ngan, and Do Ngak on three separate occassions while attempting to rescue his adoptive father, Golden-Haired Lion King Tse Tsun, from Shaolin's custody. During the first battle, Cheung Mo Gei singlehandedly fought the three monks empty-handed, and was fortunate to walk away with his life. The second time, Cheung Mo Gei was backed up by Ming Cult Left Herald of Light Yeung Siu and White-Browed Eagle King Yan Teen Sing. The three Ming Cultists used the cult's indestructible Holy Flame Scepters, which were blunt, against the Shaolin Elders. The battle resulted in Yan Teen Sing's death from exhaustion. The third time, Cheung Mo Gei was backed up by Ngor Mei Sect Leader Chow Chi Yerk, who used her Taoist duster (another blunt weapon). This time, Cheung Mo Gei was able to slip through the monks' defense, but again did not defeat them outright.
The key to the Shaolin Elders' might was their formation, and the formation seemed to rely on the use of their soft weaponry (whips). In all three battles, no sharp weapons (i.e. swords, sabers) were used by either side. Kwun Lun Sect Leader Ho Tai Chung and his wife used swords when they tried to abduct Tse Tsun from Shaolin, but they were quickly defeated because their martial arts were far below that of the Shaolin Elders. If Cheung Mo Gei and his comrades had used the Heaven Sword and the Dragon Sabre against the Elders, however, would the results have been different? At the time, both weapons were conveniently (or inconveniently, if you're Cheung Mo Gei or one of his allies) unavailable because they had been dismantled and hidden by Chow Chi Yerk. Considering that the Heaven Sword and the Dragon Sabre were the sharpest weapons known to humankind at the time, then in the hands of such high-level fighters as Cheung Mo Gei or Yeung Siu, they should have been able to sever the Shaolin Elders' whips and at least temporarily disrupt their formation (probably long enough for Cheung Mo Gei to defeat them).