She smiles at the Darkling, and murmurs, "Just...memories," She blinks, shaking her head, moving on. You always had to move on. "Mhairi," she says, "You can just call me Mhairi. I hung up my crown, and left. Another stepped into my place." she nods, towards John, he was currently crowned, yes, and while the others would take it as an exchange of leadership between them, but the King of the Silent Arrow would know all that she said, and didn't with that statement.
"Heavy is the head, hm? And if I'm reading you right Lady Succubus," she tries for impish, but doesn't know how well it works, "Being the power behind the throne is much more fun, and much less stressful...." she leads in with a statement, though it's not explicitly a question, so Myah, and yes, Mhairi could believe she is a succubus, if she didn't already know she was a vampire, didn't necessarily need to answer.