The spell itself, and the working was impeccable.

[ She says, with a lift of her chin. The sacrifice? Not so much. ] Nobody had done what I had done, in thousands of years of Praesi society. It is impressive.

I... paid for it. It will never be enough, but I did pay for my crimes. Change was... a hard won battle, but it doesn't make it better, exactly.

That is something that can never be done, I'm afraid.