So some sort of sneaky magic. Yeah, that checks out.

(Kidnapped to a strange new place? Ominous message telling you things aren't ominous? Sneaky magic? Cool.)

I wonder how important the castle really is, then. You can see the image around in the shop but you can't actually go to it. Is it all an illusion? Or is it real and just off limits?

(Now he's just thinking out loud and he catches himself,)

Sorry, just trying to get some answers here. (Ahem, he'll turn to properly face his new friend now though? Because they're definitely friends now that they've had a short conversation,) I'm guessing you and I are in the same situation here.

The name's Claude, by the way.