As the Heavenly Way, it's impossible to be constantly in touch with physical beings.
In fact, the Heavenly Way doesn't have consciousness; it operates based on something akin to rules, much like a computer program.
The reason he could perceive this information from the Heavenly Way was simply because his power had reached the pinnacle of this world, making him akin to having the highest administrative permissions of a computer system, hence he could detect relevant information.
It was also because his Five Elements abilities that created the heavens and the earth had reached the peak of a ninth re-evolution, coupled with the return of the Five Elements divine beasts, the Five Elements ability trees, and their integration with him, that they were able to use the birth of the Five Elements world's divine abilities to accomplish this feat.
