A Clone Secret Technique, as its name suggests, is a secret art that allows one to create clones using Heaven and Earth Spirit Charm. For Cultivators of a Low Realm, such a technique demands a vast amount of Heaven and Earth Spirit Charm and an exceptionally high degree of Talent.
In short, such a Secret Technique requires great Talent and exceptional comprehension. Only a suitable practitioner can cultivate it well. It wasn't the kind of Cultivation Technique one could master simply by being taught.
The Cultivation Technique Jiang Qiu tailor-made for the Nine-tailed Fox naturally took her unique bloodline into account. It was a technique designed specifically to suit the meridians of the Nine-tailed Fox's bloodline.
Indeed, he had designed it exclusively for the Nine-tailed Fox. Aside from her, it would be nearly impossible for anyone else to cultivate, and the reason for this wasn't complicated: the Nine-tailed Fox was utterly unique.
