This is Ignis Scientia. I've not ventured out myself, but I've witnessed others. [He just... won't call Noct out by name because wow what a dick move that would be.]

It seems the majority of those who wander out are rendered apart by something lurking out there. The one person I saw manage to return was physically uninjured, but was quite disturbed by the event. I'm not certain if the mist has any sort of mind-altering properties that would play into that, but I wouldn't rule it out.

You say you're making something?