Liu Yu was not surprised by this change. From the tremendous surge in his divine sense, he knew his primordial spirit must have undergone a considerable transformation. After all, divine sense originated from the primordial spirit.
The Immortal Mansion world looked the same as before. Neither the azure barrier nor the island had expanded, and the dark void remained as black as ever. The Black Spirit Field and the three wooden huts were unchanged as well. Only the Mottled Ancient Well gave off wisps of spiritual energy.
He drew half a bucket of water from the ancient well and found that it had become even purer, without a trace of impurities. It also contained abundant spiritual energy, enough to qualify as a mid-to-high-grade first-tier spirit spring.
Unfortunately, now that his divine sense had reached the Foundation Establishment Realm, the Clear Lotus Spirit Tea that had complemented it perfectly could no longer improve it. Liu Yu found this quite regrettable.
He then took a few jade spirit mushroom seeds from the wooden hut on the left, planted them in the Black Spirit Field, and watched for changes.
The jade spirit mushroom was a rare spirit herb, especially when aged. Specimens a hundred years old could be used to refine pills for the Qi Refining Period, while those two or three hundred years old could produce pills for the Foundation Establishment Realm. Those aged five hundred and a thousand years could be used to refine pills for the Golden Core Stage and Nascent Soul Realm, respectively.
Liu Yu knew the outward characteristics of jade spirit mushrooms at every age and could determine their age by appearance. Nothing could have been better suited for this test.
Soon, a tiny green shoot quietly poked out of the black soil and slowly grew under the