That makes her perk up with genuine interest, any implications of why she and Kylo may care for each other forgotten for the moment.

"A Dyad? I haven't come across any mention of that in the Jedi texts -- though of course they're only one set of books out of who knows how much that's been lost. How does it work?"

She's already found out that they can appear to one another, and she's reasonably certain they could learn to control it more precisely if they practiced.