At these words, Zhang Tiansheng first froze, then the corners of his mouth curled up as he laughed.
Ever since Fang Xiao had entered the Dao Sect, Zhang Tiansheng had always been the one teaching and guiding him. Fang Xiao listened attentively, but rarely took the initiative to ask questions.
A teacher was never afraid of students asking questions; what they feared was students having questions yet refusing to voice them, burrowing into a dead end on their own.
Now that Fang Xiao was willing to speak of the difficulties he had encountered, Zhang Tiansheng instead let out a breath of relief.
"What is it that you don't understand? Explain it to me in detail."
The Yin-Yang Incarnation nodded, then laid out the problem it had encountered.
Under normal circumstances, Dao meridians had to be constructed by cultivators themselves. External forces capable of interfering with the process were exceedingly rare.
Even when such forces existed, they were like Dark God Spirit Wine, able only to enhance one's control over Dao Tracks and Dao Track Projections.
In the end, one still had to do the work personally rather than have a Dao meridian directly formed for them.
But the Yin-Yang Great Dao Song was different.
The two who cultivated this inheritance belonged respectively to Yin and Yang, and the Yin-Yang Dao meridians they ultimately formed could fuse with one another.
Setting aside the wonders such fusion might produce, this very trait of mutual fusion was not something that arose in an instant. It had already begun during the process of constructing the Dao meridians.
This was the marvel of Yin and Yang.
Throughout this process, the Yin-Yang Dao Tracks and Dao Track Projections seemed to develop sentience, beginning to follow the path of Yin-Yang as they drew and propelled one another,