The last time they met, Lu Yang had asked Sky Soaring a question.
It was about the Five Elements ratio. Why was Sky Soaring's ratio so obviously against common sense, even fraught with severe hidden dangers, yet still successful?
Sky Soaring had not answered at the time.
His excuse had been to wait until Hongyun's problem was resolved, so Lu Yang asked again now. That said, he already had a guess:
"Was it Senior's Empty Attainment Dao?"
In his previous life, the Empty Attainment Great Dao Sky Soaring had used at the end to seek proof of Netherworld was called Quzhi. Its profound mystery allowed it to freely alter the two sides of all things.
The key problem with Sky Soaring's Fruit Position combination lies in Sand-In-Metal Earth's sparse earth qi, which cannot bear Great Forest Wood. But if he has that Empty Attainment Great Dao, he can make subtle adjustments to the Gold Nature of his Fruit Positions, reversing the image of Sand-In-Metal Earth's sparse earth qi into one of abundant earth qi.
That way, the problem no longer existed.
In other words:
This old ghost isn't simply combining Five Elements Fruit Positions. He has incorporated the Empty Attainment Great Dao atop the Five Elements combination. This is utterly outrageous!
The higher Lu Yang's cultivation grew, the more he understood how difficult such a thing was.
After all, Sky Soaring's Quzhi was unlike his Divine Firmament Thunder. The foundation of Divine Firmament Thunder had originally been the images of Five Elements Fruit Positions.
That was why Divine Firmament Thunder could work with Five Elements Fruit Positions to form a Dao Fruit secret art.
But what about Quzhi?
Strictly speaking, this Empty Attainment Great Dao was a foreign object within the Five Elements. Putting it into the Five Elements Fruit