I had a feeling she was a homunculus or some such creation. Instead of FMA, I'm thinking like that episode of Batman the Animated Series with Clayface making a sudo-daughter. Annie was her name.
I never understood people, in a zombie survival scenario, who try to cover up bites like this. Even ants know when the cordyceps infect them to get away from the rest of the colony- that's if they don't get outright disassembled by the others.
Did they put him in a special room to make him feel better about eariler? How did he not notice the destruction, rumbling, noise?
Is his pride overriding his fight/flight? Does he even have fight/flight response?
Is there other plots happening behind the scenes? Is there another noble wishing...