Such a Sword Technique would be a bit troublesome if one were to instruct others.
Fortunately, given Liu Yanping's circle and level, it was unlikely that anyone there could learn a Heaven-grade Sword Technique.
Take the Shushan Sword Sect, for instance; only sword techniques on the level of the *Heaven Sword*, the *Myriad Swords Technique*, and the *Unfettered Divine Sword* were considered Heaven-grade.
Chapter 99