This novel is also referred to as Fey Evolution. The brilliant stars twinkle and birds soar in the clear blue sky and fluffy white clouds, while the swift shadow clouded leopards stalk their prey across the expansive grasslands. Meanwhile, the acid-eroded pythons conceal themselves in the shadows of trees in the dappled rain forest, and the chalky Canglong dragon resides beneath the deep blue sea. Lin Yuan discovered that he had the ability to enable infinite evolution of spirits, allowing for continuous purification of their bloodlines. Dust butterfly-stainless steel butterfly-emerald green butterfly-royal tourmaline butterfly. This is a story focused on pets, set in a world of beast masters.