Once one stepped into the Upper Three Ranks, Rule Power could be fused into one's true-body star, and one of Rule Power's greatest uses was extending lifespan.
It could extend not only the cultivator's own lifespan, but also greatly lengthen the lives of the beings residing within the cultivator's true-body star. At the Saint Venerable Realm alone, it could extend the lifespans of those living within by hundreds of thousands of years at the very least, perhaps even more.
If one entered the Dao Master Realm, the lifespan that could be extended would be even more astonishing.
Cultivation in the Upper Three Ranks was undoubtedly an immensely lengthy process. To put it bluntly, going into seclusion for a thousand years or more was merely basic practice.
Once cultivators immersed themselves in comprehending Rules, it could take as little as a century or two, or as long as tens of thousands of years. None of that was unusual.
Cultivating Rule Power consumed an astonishing amount of time and energy.
Even Song Ankang, who possessed the Heavenly Book of Fate Defiance, had no confidence that he could break through layer upon layer of bottlenecks in a short time and advance to Second-Rank Dao Master, or even higher realms.
Thus, Song Ankang also had to consider the people around him. He could live for a very, very long time, but many of those by his side could not. When the time came, he would inevitably have to send some of the people he cared about into his true-body star so that they could continue living.
At the very least, among the relatives and friends around him whom Song Ankang cared about, dozens were already nearing the end of their lifespans.
Fortunately, although he cared about these people, their ties were limited. Song Ankang