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A century after the Spirit Qi Awakening, the world enters a new era. Humans are able to absorb the world's awakened spirit qi, allowing them to tread on a new path—spirit qi occupations! 
Simultaneously, the plants and animals on the planet are also evolving toward their ancestry line or developing spiritual mutations. 
Lin Yuan realizes that he can assist feys in evolving limitlessly and constantly purify their bloodlines. He starts off with a small fey evolution store on the Star Web and rises up from there. 
Lin Yuan: "There is no problem that I cannot solve to deliver the goods. If there is a problem, it is because the goods are better than expectations!" 
This is a story purely about pets!

Atlas Studios

Fey Evolution Merchant

AtlasStudios

Moreover, Lin Yuan realized that Duan He was very homesick to the point that he would make a trip back to Indigo Azure City once every month.

Duan He's home was in Indigo Azure City. By stationing Duan He at Indigo Azure City to protect the Zheng family, Duan He would be able to go home often and would not need to travel between two places doggedly.

Moreover, Duan He had a good relationship with the Indigo Azure Guard Captain and would be able to deepen the working relationship between Sky City and the Indigo Azure Guard.

After Lin Yuan left, Zheng Kaiyan remained in a daze for some time as he replayed the images from Lin Yuan's arrival to departure.

He thoroughly went through every detail of the encounter, including how Lin Yuan had subjugated him, Feng Shuang, Elder He, and Hu Tian, and made the three Creation Masters all clamor to pledge their loyalty to him.

It could be said that Lin Yuan had mastered human nature and the art of manipulation.

Hu Quan is Sad