If the energy within has already passed a certain threshold, then it's necessary to circulate the energy to use the Evolution Stone and promote evolution.
For pet beasts, naturally, it's best to use the Evolution Stone when the energy within is so full it can't absorb any more.
But that's only for pet beasts with a Beast Tamer. For wild pet beasts, they should evolve whenever they can.
After all, in the wild where survival is harsh, if they're not strong enough, they even struggle to get enough food.
After saying that, Billet wiped away the snot and tears left on his face, looked up, and spoke to Niudikaka who was keeping watch in the sky:
"Let's go."
"Niu."
Niudikaka responded with a call, its eyes flashing blue.
The next second, both it and Billet disappeared from the spot.
"Duo Xi..."
Duoxi Duola hesitated for a moment as he looked at the Earth Stone in his hand, then slowly placed it against his forehead.
