Having grasped the basics, the three of them continued studying and awaiting further evolution.
The Divine Manual was cryptic, with many sections that were incredibly difficult to understand. Finding the parts relevant to their own skill progression and then cultivating those was even more challenging.
There wasn't much they could do; after all, this was intended for the people of this world, specifically for the believers. Even though the three of them constantly discussed it, their progress was still not very fast.
They couldn't possibly disclose such matters, as the value of the Death God Manual was too high. If it were discovered that they had the Death God Manual, even major powers would certainly attempt to seize it.
Therefore, they could only study it privately and must never reveal it.
