He has this weird feeling if he doesn't ask her to dance she may actually get offended. She dealt with quite a lot of his bullshit, he can at least do her the--well, kindness isn't exactly the right word. Honor? Sure it should be an honor for anyone to dance with the devil, anyone that knows who he is to some extent, but still not the right word. Pleasure? Good enough.

She dealt with quite a lot of his bullshit, he can at least do her the pleasure of offering her a dance. He's already pulled Istredd (very willing) and Kyle (less willing but annoyed and stubborn) to the dance floor, vastly different flowing steps each.

"Your grace is sure to outmatch mine, but shall we?"