[ Her laugh is ironic and somewhat bitter because, oh, she knows. ]

I still know nothing of Camelot the way Arthur and Merlin experienced it. I know not of what happened. All I know is that at some point -

[ has she killed Uther? perhaps that was it all along ]

I left. And they cannot understand why.

[ but she can, and it's ironic to her since of course they can't. ]