Of course, Immortal Spiritual Qi could not be replenished in the Netherworld Grotto-heaven using Immortal Yuan Stones alone. Otherwise, even cultivators at the Taiyi Jade Immortal level would be unable to bear such consumption.
Its main source of Immortal Spiritual Qi still had to be the Immortal World itself.
However, it could not simply absorb it by opening a passage and allowing the Immortal World's Immortal Spiritual Qi to pour inside.
That would inevitably cause an imbalance in the Immortal Spiritual Qi within the grotto-heaven, inflicting tremendous damage upon it.
Fortunately, resolving this issue was not difficult. Luo Hong only needed to set up simple arrays throughout the grotto-heaven, using Immortal Yuan Stones as array eyes, to guide the flow of Immortal Spiritual Qi. Then, every influx of Immortal Spiritual Qi would swiftly disperse into these arrays, forming small cycles of Immortal Spiritual Qi.
This process absolutely could not be rushed. The amount of Immortal Spiritual Qi entering the grotto-heaven each time had to be strictly controlled. Otherwise, if any law collapsed, it could easily trigger a chain reaction.
Moreover, each influx of Immortal Spiritual Qi would disrupt the previous cycle, so he had to wait until a new cycle formed before beginning the next one.
What these Tongyou Sect cultivators had to do was monitor the reconstruction of these cycles. Every few shichen, they would use the Immortal Spiritual Qi Disks Luo Hong had given them to inspect the circulation of Immortal Spiritual Qi within the arrays and make records, allowing Luo Hong to make adjustments.
For a True Immortal like Luo Hong, who went into seclusion for centuries at a time, a few shichen was truly too short. But for Tongyou Sect's Low-level Cultivators, it was just right.
"Once enough Immortal Spiritual Qi has been accumulated, we can