[quote=@IncredibleBee]
<Snipped quote by Raineh Daze>

There's a saying that any sufficiently advanced technology is indistinguishable from magic.
[/quote]

So, no mages, and no one using advanced technology, like the kind you'd need to find Guts in the first place. Without knowing about his paranoia and predisposition towards murder. 

Kinda limits the options, doesn't it?