It was impossible for Vader not to notice Kylo's freeze as Rey spoke. Vader stepped in, his fingers stretching slowly, moving slower than the small, sideways wave of his hand, to push around some of Obi-Wan's belongings to stack them into a stool for Rey to sit on. After giving her a look over, he added a small backrest to the stool.

"Join us." He'd left her stool within easy conversation and touch of both of them, although closer to Kylo. It also would leave the door in her sight line. "I have no doubt that eventually there'd be very few things that exist in our galaxy that you won't prove adept at protecting yourself from. But you aren't there yet. You simply need more training, and time to mature into your abilities. Our concern isn't meant to discredit you."