In the Chaos Era, even Xuanqing only knew a part of it, having interacted with less than one-tenth of the Three Thousand Chaotic Demon Gods.
At the same time, in the Primordial World, The Queen Mother of the West also learned of the origin of that "Hongmeng Purple Qi" and immediately chose to entrust her True Spirit to the Heavenly Dao.
She was actually just a step away from Proving the Dao, but when she wielded the "Kunlun Mirror," she glimpsed a fragment of the future, knowing that Proving the Dao with the Innate Great Dao would have limitations, so she never used her Original Great Dao to break through to the Primordial Daluo Golden Immortal.
Instead, she delved into the Acquired Great Dao!
Painting Dao!
This is the Great Dao she was researching!