LolMilitary fortress made in wartime, used by Count Army
Also, a bit sad the treasury didn't contain something like "an original statue of the hero" that he first thought was useless as didn't look like some random middle-aged man. And maybe even had some statue or drawing of frieren (&co) next to it. Giving her the chance to mention how she was part of the hero party, that that is how they looked like, and that she knew his ancestors and their lineage always went shirtless.