Named creatures: names per kind and language, epithets at higher levels, memorial stones for the fallen

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/i18n.rs

@@ -97,7 +97,13 @@ pub fn tr(key: &str) -> String {
 pub fn trf(key: &str, args: &[String]) -> String {
     let mut s = tr(key);
     for (n, a) in args.iter().enumerate() {
-        let v = if let Some(k) = a.strip_prefix('@') { tr(k) } else { a.clone() };
+        let v = if let Some(k) = a.strip_prefix('@') {
+            tr(k)
+        } else if let Some(n) = a.strip_prefix('%') {
+            crate::names::from_arg(n) // a creature's name (names.rs)
+        } else {
+            a.clone()
+        };
         s = s.replace(&format!("{{{}}}", n), &v);
     }
     s