Frisk nods, their thumb rubbing against the back of Chara's hand in that odd old habit of theirs. It would be too awkward to reach around to try and pat them properly, anyway.

The change of subject catches their interest, and Frisk is willing enough to let the topic of anger issues slide away into the background again. But royalty...Chara can't mean Asriel, he's definitely royalty. Something about this person has Chara nervous, though, and that in itself is enough to get Frisk concerned as well. "...is that bad?"