"Through repeated observations, the Wanfa Immortal Emperor of that time reached a conclusion: the Supreme Immortal Artifact capable of rolling back the world also had various limitations."
"If it had no such limitations, the one performing the rollbacks could have rolled back the world far more recklessly, and far more freely."
"But in the Wanfa Immortal Emperor's observations, the Rollbackers fell far short of that."
"Ultimately, the first limitation the Wanfa Immortal Emperor identified was the cooldown of this Supreme Immortal Artifact."
Reading the words appearing on the Feather Scroll, Zhang Yu continued summarizing inwardly: A cooldown? The specific rule was that rolling back one year required waiting a year before activating it again. Rolling back two years required waiting two years.
Zhang Yu continued his summary: For example, going from October this year back to October last year meant rolling back one year.
After that year was rolled back, the world returned to last October. Then, until October this year, no further rollback could be performed during that one-year cooldown.
So the further back the rollback went, the greater the changes that could be made to history, but at the same time... it would leave the Supreme Immortal Artifact on cooldown longer afterward, and the Rollbackers would spend longer unable to roll anything back.
Zhang Yu thought to himself, And that period gave the Wanfa Immortal Emperor a good opportunity to strike at the Rollbackers.
So the Wanfa Immortal Emperor made preparations on two fronts to seize the Supreme Immortal Artifact.
First, he needed to keep increasing his strength without alerting the other party, accumulating enough power to defeat his opponent.
*But because he could not alert the other party, he could not make any overly conspicuous breakthroughs, much less take possession of Immortal Dao Resources that had too