Tianyan.
When Wu Wang returned from the guest hall to the main hall of the Xuan Nu Sect, the term suddenly surfaced in his mind, and with it, some doubts arose.
Were the Tianyan Xuan Nu Sect's cultivation techniques and that Tianyan Stone truly from the Outer Sky?
However, according to the commonly circulated tales in the Human Domain, the cultivation techniques of the Human Domain were first explored by the generation of Emperor Suiren, began to flourish in the era of Emperor Fu Xi, and eventually evolved into the myriad forms present today.
Cultivation refines the self, a leap towards transcendence.
Based on the books Wu Wang collected from the Northern Wilderness and the Human Domain, he was certain that the majority of the cultivation techniques in the Human Domain were developed by the Human race itself.
To give a perhaps inappropriate example: