Re: jinn
They may. But such wishes always have a cost. I won't tell you not to make them, you are your own mistress, but you should know not to enter into a deal with a leprechaun expecting it to be in your favor.
I do not know if I can
I may be able to
In the past, the oddities we have faced, at least when they were creatures, did not follow us into the hotel. To the extent that this place follows any rhyme or reason, I think it is likely to be the case here.