If he asked, Remy would volunteer to practice with him; it'd be weird for the both of them, probably, but better than letting him continue to have his head violated in totally alien circumstances. Maybe he'll bring it up later - right now further experimentation isn't exactly a priority.

"Folks warn off goin' out there for a reason, homme. Fog hunters who do it for profit go about it differently. It's like-" he gestures, trying to find the right words. "Things out there hurt everybody's heads, sure, but you can see an' hear things most people can't. Which means things can hear an' see you where they can't see or hear others. You go pokin' around at it psychically, you're gonna get the attention of stuff that's been waitin' for a target like that."

And not just in the fog - Remy's seen telepaths get crippled time and time again for that very reason; beings who only exist on the astral plane tend to be lonely. And hungry.