At that moment, Zhou Tian needed to restore the strength of the Abyss World, but when it required restoring the strength of the Abyss World, the primary task was actually to restore the number of powerful Abyssal Creatures within it.
Undoubtedly, for Zhou Tian, this task seemed difficult yet quite easy at the same time. At least at that moment, if it was just about restoring combat power, it was not a difficult task for Zhou Tian.
Generally, the resources within each world are limited, and how many strong beings can be cultivated from those limited resources has no definite count, though there is usually an upper limit.
