diff --git a/reikhelm-core/src/passes/pillar.rs b/reikhelm-core/src/passes/pillar.rs
index 940565a..31c4f76 100644
--- a/reikhelm-core/src/passes/pillar.rs
+++ b/reikhelm-core/src/passes/pillar.rs
@@ -44,11 +44,13 @@ pub struct PillarConfig {
 }
 
 impl Default for PillarConfig {
-    /// A sensible default: a little over half of large rooms (min extent >= 7)
-    /// get a grid of pillars spaced 3 cells apart.
+    /// A sensible default: pillars are an *occasional* feature, not the norm —
+    /// only larger rooms (min extent >= 7) qualify, and only about a third of
+    /// those get a grid of pillars spaced 3 cells apart. So a typical dungeon has
+    /// a couple of distinctive pillared halls — never every chamber.
     fn default() -> Self {
         PillarConfig {
-            room_chance: 0.55,
+            room_chance: 0.30,
             min_room: 7,
             spacing: 3,
         }
diff --git a/reikhelm-web/main.js b/reikhelm-web/main.js
index f797ef4..d185310 100644
--- a/reikhelm-web/main.js
+++ b/reikhelm-web/main.js
@@ -190,6 +190,7 @@ window.reikhelm = {
   setConfig(path, v) { setPath(state.config, path, v); regenerate(); },
   state: () => ({ seed: state.seed, stage: state.stage, genMs: state.genMs, config: state.config,
     rooms: state.env?.regions.filter((r) => r.kind === 'Room' && r.cells.length > 0).length,
+    pillarTiles: state.env ? countTiles(state.env, 3) : 0,
     ok: !!state.env }),
 };