[Noctis can only nod quietly. He expects Nyx to bail after all of this, and is fine with letting him do so now that it isn't in a more... Ardyn-focused direction. Before he does though, it clicks that there's another memory they'd shared, and Noctis raises his voice again.]

H-hey... thank you. For saving her... for protecting her when I couldn't. She was really grateful to you, for everything you did.

[He can recall the sad but admiring way she spoke of him, when those days in Insomnia had come up in their conversation. It's been in the back of his mind each time they interacted, as a reminder to try and get along with a person she'd obviously come to care for in the short time she'd known him.]