personally i didn't find the ending of the light novel to be bad
it fit the story well unlike others that tried to do the same.
the hints are all there in the story.
oh they are SO dead except zeke ofcourse
hah the little runt trying to get close to lorem?
keep dreaming, she'll be incinerated from the heat long before she even gets in arms distance of lorem
i don't think this is an issue of stupidity more as it is a case of corruption via paranoia
fear warps our perception of things
see to the people of the kingdom the demon army is impossibly strong with the demon lord herself being even more so
at this point they are terrified of the demon army...
so based on what he said it looks like CATT is getting drunk on power and losing sight of its original goal. they are shifting from "lets use our power to make peace between humans and demons" to "lets lord over the demons with our power."
and that isn't good i even suspect they are still...
the more powerful a divine blessing is, the more restrictions it puts on the owner.
"Hero". one of the absolute rarest and powerful divine blessings, as such its compelling force on the owner is extremely strong as well. basically demolishing any attempt to resist it. as much power it gives...
@ArimaKiyofumi chapter 116 though as usual web novel has more context so might be best to read from the beginning of the webnovel if you are thinking of picking up were the manga left off