A meteorite struck, threatening the world with destruction. However, a strange energy revitalized it, and many species embarked on the path of evolution. The profession formed by contracts between humans and mutant beasts is called a combat pet trainer. Su Yun obtained a bloodline enhancement system and began his life of nurturing divine beasts. "Sky-Swallowing Python, sink that aircraft carrier!" "Mountain Giant Ape, well evolved! Beat that killer Tyrannosaurus Rex to a pulp!" "What? I, I evolved too?"...

This novel is also known as Fey Evolution Merchant

The shining stars and birds flying in the blue sky and white clouds, the fast shadow clouded leopards hunting and hunting in the vast grasslands, the acid eroded pythons hiding in the shadows of trees in the mottled rain forest, and the chalky Canglong dragon under the deep blue sea.

Lin Yuan found that he could allow infinite evolution of spirits, and continuously purify the bloodline.

Dust butterfly-stainless steel butterfly-emerald green butterfly-royal tourmaline butterfly.

This is a pure pet article, a world of beast masters.