To interfere with the changing of eras in the lower realm universe was to interfere with the operation of the Heavenly Dao's eternal order.
The difficulty of such an undertaking went without saying.
Jiang Feng had already decided how to proceed. He would use the methods of cultivation to merge the entire cosmic space into the Immortal Sacred Realm. Worldstone would be needed as the catalyst for this process.
But what mattered most was the support of all manner of laws!
If he merely refined the cosmic space into a realm like the Huanliang Star Sea or the Heavenly Demon Realm, then the mortal lives within it would inevitably be unable to withstand the various laws of the Immortal Sacred Realm.
To give a simple example, souls could not exist within the Immortal Sacred Realm, yet the lives of mortals in the lower realms were all centered around their souls. Once they were forcibly dragged into the Immortal Sacred Realm, their souls would directly enter the cycle of reincarnation.
Therefore, Jiang Feng not only had to refine the cosmic space into a realm, but also elevate every life within it into an immortal lifeform!
This was undoubtedly a heaven-shaking undertaking!
There were countless lives in the universe—an inexhaustible multitude. Even if he had mastered the Law of Immortal Life and could directly elevate mortal lives into immortal lifeforms, how much time would it take to elevate that endless multitude of mortals?
One had to know that, aside from the countless Sacred Realms in the Eight Domains, nearly every Sacred Realm contained endless mortal lives. Beyond that, there were also countless great worlds, each of which likewise held countless mortal lives.
Was it possible to elevate all those lives into immortal lifeforms?
Of course it was impossible!
However, Jiang Feng had