[ He's been practicing with Prompto, which means that this isn't his first time warping with another without her power. Which means he's done this probably again and again. All this time, and she hadn't even know he's come this far!

She laughs, delighted enough to bounce a bit upon her heels. ] Why that expression? [ Is he surprised at himself? Maybe it didn't even feel as if it required extra power on his part-- maybe he's that good at it already. She feels happy for him, proud of him. If he can warp with her without even thinking about it, if he's done this before with someone else, then it shows just how comfortable he is with the task. ] You did it! That's-- incredible... Noct, you did it! [ She repeats, breathless. ] One moment, we were there, then the next--

[ She pulls slightly apart with him, still holding his hands, and spins with him. ] like this!