The what? Ariane flips to a picture of the desert.

"If you mean these, I don't think they're...evil? Just spiky plants. Don't touch them, I suppose." Meanwhile, Ariane isn't even close to being able to work out what a zombie is, but blood and guts she knows well enough.

"I guess I haven't had the opportunity to run into a lot of blood. There were the skin-eating bugs, if that's what you mean by zombie, but by the time they showed up, things were getting...busy." To put it delicately. "You're right, though. I should document those. Or you can, if you really like drawing that sort of thing."