Since he was still on the border of the Wandering Palace, the beasts would only be wild animals that had been left to thrive. Although evolving into an elemental beast was possible, the process was practically the same as how cultivators needed to resonate with the primal elements.
While beasts were more susceptible to the primal elements because they lived alongside nature and usually where there was an abundance of it, the most common thing that it could do to them was enhance their instincts and physical capabilities.
If humans of this world could train and temper their bodies by exercise and eventually by utilizing the qi within their awakened dantian, the beasts could do the same, albeit it was happening to them more naturally.
Once they started exhibiting attunement to the primal elements and began showing traits of it, they'd be considered a low-grade elemental beast and their threat would significantly rise.
