Most top sects heavily advised their Qi Refinement and Foundation Establishment disciples not to waste their time on the Hundred Arts of Cultivation, for they would have plenty of time in the Core Formation realm to pursue such things.
But sects on par with the True Spirit Sect would even advise such disciples to wait until Nascent Soul, as the Nascent Soul realm's special characteristic was not just the body escape, but also dual enlightenment. In other words, your Nascent Soul could learn and comprehend at the base rate of your own IQ, so it could learn about techniques, methods, or crafts while you cultivated, or vice versa.
This was why Ling Long, Xia Qingyan, and Xue Mei did not have any trades mastered at all, only combat skills. It was completely unlike loose cultivators who would learn trades even at the Qi Refinement realm in order to support themselves and gain resources for their cultivation.
