Luciel could only shrug as he also doesn't know the answer to Nathan's question, and he also wanted to know the answer to that question.
If zombies are already dead, then why are they even getting stronger both in body and ability?
And then the zombies even started getting better as they started being able to control others.
Even though it's still based on instinct to eat them, they started being able to plan to be able to eat them more efficiently.
That's why he doesn't really fully believe that it's a virus; unfortunately, the reason behind such issues wasn't answered even at the end of the novel that he had read before, and only ended with Treyton defeating the strongest zombies and establishing the strongest base.
Camille also sighed and said, "Yeah. Then we need to train more, and now we need to continue training so that we don't have too much opening when dealing with zombies.
