[Oddly enough, the worst of the pain fades as the throne room does, leaving Ignis suddenly exhausted instead. He sighs softly, leaning a little harder into Ardyn than he was before.]

I think... Something just happened with the room, didn't it? The pain just faded. I'm more tired now than hurt.

[Still, he knows Ardyn means more than just physical hurt.]

Even people who have been together for years still occasionally hurt each other. They don't want to, but it happens anyway. Just remember how much you care. I will, and that is why I won't leave your side when it inevitably happens.