It really was Yellow Springs. It was extremely difficult to see Yellow Springs in the human realm. At least Chu Mu had never seen a soul pet trainer with one of the five great undying species. This exemplified how difficult it was to sign a soul pact with one of these five species. 

Most importantly, these five great undying species had their own civilization. They were also the rulers of this civilization and prosperous nation. They couldn’t rely on someone else’s charity and their status was higher than humans. Therefore, this made it hard for humans to sign soul pacts with these five species. 

If Chu Mu didn’t have Mo Xie who had the special mutation ability that mutated her into a Hades Fox Noble, Chu Mu wouldn’t have any opportunity to obtain the interest of the five great undying species. 

Chu Mu was lacking a water type soul pet, and if he was able to sign a soul pact with a Yellow Springs, he wouldn’t have any regrets in his soul pet trainer life! 

However, what were Yellow Springs like? 

Hades were the supreme bloodline of the Demon Fox species. So what species were Yellow Springs the supreme...