"Silken Bond Technique" also had an additional benefit, being able to identify the cultivation talent of others.
Talent indeed exists, but it lacks physical form. Some people could circulate their Qi through dozens of Circulating Heavens with growth in True Yuan, while others would find no changes after just two or three cycles, clearly indicating some differences, but aside from the individuals themselves, it ultimately couldn't be directly observed.
However, while practicing the String-Pulling Technique together, as the Spiritual Energy entered the body and was transformed into True Yuan in the meridians, then circulated back and forth among the three practitioners, one could vaguely sense who gained more and who less.
Lin Ning had already sensed something was amiss at this point.