[Somehow, the threat only made her blood run colder still- it was targeted, far worse than if he just called a War for his own benefit. And she could tell he was only getting more satisfaction from watching her reactions. Caster hated that most of all.]

...Hmph, your new powers really have made you obnoxious, haven't they?

Well, should it come to that, I will burn you before you have the chance. You should watch your back.

[She'd give him a chance to reply, but she was certainly looking for the earliest opportunity to dematerialise.]