Generally speaking, the pungent smell on Tuoba Tai's body was a means to deal with a spirit beast like Big Yellow, which had a keen sense of smell.
No matter what, the Starseizer Sect was a sect with a long history. They had experience in dealing with all kinds of situations.
In fact, many seniors of the sect would record different strange things when they encountered them.
This information would be put together and passed down to the next generation.
This sort of behavior was considered a standard for a power that had a long history.
What was even more ridiculous was that the few 10,000-year-old aristocratic families of the Central Plains had all sorts of knowledge imprinted in their bloodlines.
Every time those aristocratic family members broke through to a new realm, they would be able to obtain a large amount of knowledge from their bloodlines.
However, most of these were extremely secretive and weren't suitable to be recorded.