What’s the most interesting thing for me in this update is the revelation about Auras and how they work.
So we already knew that Auras are a kind of manifestation of a Xiantian’s Inner Energy which is shaped by the techniques they most use and also their inherent or learned talents (like LC’s regeneration) as well as their personality. And now it was stated that the GS recognizes an Aura as something close to Dao but still inferior to it.
So perhaps because Auras arise from how certain Arts, talents and Physiques have influenced a Xiantian up until they advance into that stage, it is kinda like an infant Dao because LB did state that every Daoist has their own personal understanding of their Dao and that even two cultivators with the same type of Dao (like Fire) will still be inherently different in the way they manifest it.
My theory is because first of all MAs use IE instead of Qi, and secondly because the process is kind of reversed in this case where they learn Arts, powers, and spells first and get an Aura as a manifestation of that + their personality, it comes out as an inferior version of an unleashed Dao.
Where normal cultivators would first get a Dao, contemplate on it to understand and then learn spells or Arts and later create them, MAs just learn the moves first and then this misshapen version of the Dao of which they are not aware of manifests.
So because it is so tainted by ignorance and lack of Qi, what is supposed to be their personal Dao comes out as something different.
I think Chao has this special “Aura of Perfection” and is the strongest Xiantian because his process is fundamentally different. Instead of his Aura being a manifestation of his techniques and powers, it is a manifestation of his inner drive towards perfection. And because it is by its nature, more contemplative and deep, it comes closer to what true Dao would be.
And so he uses his “Dao” of Perfection to seal and control the Arts he can use to an absurd degree where he can forcefully combine and squish them together with his Aura alone.
There’s also the MAs lack of meridians and a Dantian, and the fact that they probably power everything they do through their residual Divinity granted by TW’s blood (hence why higher blood purity = more IE and easier comprehension), but that’s a very long line of thinking.