Augh he has a point why does he have to have a point. "True. I have to admit, though, that while I acknowledge that enabling other peoples' mistakes isn't always a good idea I'm not really comfortable leaving someone in something called 'Everlasting Darkness'." Aah why did she not ask Maedhros for advice ahead of time she has no experience whatsoever with this kind of thing--
But she does have magic.
Okay, first of all, obviously she should have the inside of her head private except as desired. It's not an enchantment, but she can draw a temporary veil over anything that leaks through her still-not-quite-perfect shielding.
Next she can convince her osanwe that it ought to be able to reach Maedhros despite the fact that she hasn't known him much more than a week.
Help I'm talking to your uncle and I have no experience with diplomacy.