Over the next several days, Fang Yuan's tracks covered almost the entirety of Hei Fan Grotto-Heaven.
His divine sense constantly enveloped his surroundings, observing and studying everything with meticulous care.
At times, Fang Yuan felt as though Hei Fan were guiding him from across the River of Time.
Hei Fan's True Inheritance contained exhaustive explanations, while the Hei Fan Grotto-Heaven before his eyes was a tangible example—something he could touch, excavate, and investigate. Whenever there were changes, Fang Yuan searched the souls of those Gu Immortal captives. This allowed him to understand the processes and secrets behind the rise and fall of countless species over the long years.
Hei Fan's talent filled Fang Yuan with both emotion and admiration, and benefited him enormously. He now had a great many new ideas for developing the Supreme Immortal Aperture.
Once Fang Yuan was certain that he thoroughly understood Hei Fan Grotto-Heaven, he began the relocation.
First came the sky crystals.
The first forbidden ground of Hei Fan Grotto-Heaven was the sky crystal breeding pool.
This pool had been built high in the sky and covered a hundred li, surrounded by layer upon layer of Gu formations. Yet the sky crystals occupied only a small patch at its very center.
The sky crystals produced by Hei Fan Grotto-Heaven were a faint jade-green color.
The quality and color of sky crystals, this immortal material, varied according to their production land.
Fang Yuan moved this breeding pool into his Lesser Azure Heaven.
"Unfortunately, this breeding pool can only produce sky crystals on its own within a grotto-heaven. My Supreme Immortal Aperture is still only a blessed land, so it will not function here. Still, the pale green sky crystals in the pool, together with more than half of that Sky Crystal Eagle Nest, should last