The three reasons behind ape gods' sudden increase in strength in the brief period of two-three months. But the system also said that their advancement would soon come to stop. Their bottleneck would be their physical strength reaching thirty oxen.
The reason for that was that the strength of thirty oxen touched the limits of their body's innate talent.
Apart from this, after their strength reached thirty oxen, the pressure of the sea at three thousand meters would no longer make them feel any suppression. Because of that, their evolution due to the surroundings would also stop.
As for the power grains, after the ape gods ate large amount of them, their bodies would reach a state of saturation and amplification that it would no longer improve anymore.
Despite this, Li Yunmu was still quite satisfied.