1. What do you think is the "Best" martial arts?
DGSD arts are traditionally considered better than the other novels', but is that the case? The Xiaoyao Sect elders practiced several advanced martial arts for about 80 years, but their internal powers weren't *that* far ahead of Zhang Wuji, who only practiced 9 Yang Shen Gong for what, less than 10 years? Doesn't that mean 9 Yang can be considered a better internal cultivation method than Little Formless Skill, Everywhere I Reign Supremely, etc?
2. If you were to choose only ONE internal energy cultivation method to yield the maximum result within a short period of time (let's say ONE MONTH), which method would you choose? For this question, we assume that people will be happy to help you out, but the method has to be a bona-fide named method, not just a freak accident.
I would pick Beiming Shengong. Start out by leeching a few throwaway guys, then gradually move to the bigger fishes.