Creatures like divine beasts are different from the human race.
The first Immortal Emperor, Xuanyuan, seeing humanity oppressed by the hundreds of races, thus created the Path of Cultivation, a path specifically tailored for humans.
Therefore, even though Heavenly Gods of the human race are frail, once they practice the cultivation techniques, they can still move mountains and seas, and shatter stars with a flick of their fingers.
Even more so, as time passed, the strength of humanity had surpassed that of the hundreds of races, so much so that even powerful divine beasts could gain no advantage against Immortal Venerables and Immortal Emperors.
And precisely for this reason, other races also turned to seek the Path of Cultivation.
However, this path was custom-made for humans and was impossible for other races to practice, yet somehow, a genius emerged among the hundred races, creating the Cultivation Technique of the Physical Nascent Soul.