"The old kings...?" Gladio's gaze flicks up to Nyx's eyes. And, for a moment, he thinks of another pair - dulled and scarred. These scars are familiar, aren't they...

"You used the Ring of the Lucii." It's a statement, not a question. How could Gladio spend so much time around Ignis and not put two and two together? "That's how you got Libertus and Lady Lunafreya out."