During THE CONDOR HEROES TRILOGY, using the 1 Yeung Finger Technique seemed to be a big deal. It seemed like during LOCH and ROCH (and less during HSDS), any time somebody used 1 Yeung Finger Technique, he risked fire-deviating or using up his inner power reserves for years at a time.

The 1 Yeung Finger/6 Mak Divine Swords users of DGSD didn't seem to experience such problems. Deun Jing Ming, Deun Jing Tsun, Deun Yin Hing, Deun Yu, and the monks of Heavenly Dragon Temple seemed to use the skills without undue stress on their bodies.