Even deities could not possibly master everything. The strong usually specialized in one path, then chose one or two directions as support.
The Creation God was an exception. Within a world it had created itself, it was, in a sense, proficient in every attribute.
However, that proficiency had a certain limit, and that limit was the strength of the world.
There was no denying that every Creation God was powerful within its own world.
They could alter the Physical Laws.
Water could be unaffected by gravity, 1+1 might not equal 2—anything that defied common physical sense, they could accomplish.
The entire world had been constructed by them, and they possessed the highest authority.
However, when a world was already in a perfected state, making arbitrary changes could easily cause it to collapse. Creation Gods generally would not modify it so recklessly.
If they left the world they had created, they would be reverted to their original state.
Many powerful individuals who encountered opportunities used creation as a way to verify their own paths. For aspects they did not understand, they might even leave behind rules they had made up carelessly.
For example, Chen Yi's Slaughter Library.
The digital world itself had continuously evolved from Chen Yi's comprehension of killing intent and the power of calamity.
As for other attributes he did not understand, such as water and lightning... he had merely set them up according to his own understanding, then allowed the world to slowly evolve them on its own. Neither Chen Yi nor Toma had participated in the process at all.
However, Chen Yi and Toma's understanding was there, so at least there would not be any major problems.
If it was a world created by a warrior, then one had to be careful.
Many of its laws were