If Body Refinement is an area unfamiliar to many, then Qi Refinement is an area the observing cultivators are extremely familiar with and dedicate their entire lives to.
Moreover, this familiarity is triggered again by the Heavenly Dao Path they once witnessed.
The first time they saw the Heavenly Dao Path, the cultivators watched Xie Tian as he pulled, tore, yanked, threw, tossed... effortlessly through the second barrier of Heavenly Pass, the array of intellectual transformations, like pulling turnips.
Even more, the Daoist Ancestors know one thing well: Xie Tian's turnip-pulling directly led to the death of Moyu, the Hall Master of the Tianxuan Hall in the Indeterminate Realm, who was reputed as the only one to declare an ancestor by array in the two divine divisions.
The terror of the Heavenly Dao Path is evident from this hint alone.
And now, the Heavenly Dao Path shows itself to the world for the second time.
