For the sake of ego? Tch, as expected from someone with a fraction of the facts. But know this: you can howl all you want, but in the end, in my time and place, the Empire won. We chased down those monsters and made them suffer for what they did to Lady Edelgard. To Jeralt. To thousands of others who's names you'll never know. My Professor hunted them to their nests like the rats they were.

We did it without you, your king or your pathetic goddess.

[Did he set things up so they could do those crimes? Perhaps. But would those who slither in the dark have come out into the light otherwise? Was the short term suffering of Fodlan worth destroying that threat now? He certainly thought so.]