diff --git a/party-cathedral/src/scene/stained-glass-window.js b/party-cathedral/src/scene/stained-glass-window.js
index a48630b..84b1857 100644
--- a/party-cathedral/src/scene/stained-glass-window.js
+++ b/party-cathedral/src/scene/stained-glass-window.js
@@ -132,6 +132,62 @@ export class StainedGlass extends SceneFeature {
             return geometry;
         };
 
+        const createProceduralRoseWindowGeometry = (mainColor, radius) => {
+            const segments = 32; // Number of radial segments
+            const rings = 5;
+            const vertices = [];
+            const colors = [];
+            const normals = [];
+
+            const randomnessFactor = 0.4;
+
+            const addTriangle = (v1, v2, v3, isBorder = false) => {
+                let segmentColor;
+                const rand = Math.random();
+
+                if (rand < 0.05) { // 5% chance for a "lead line"
+                    segmentColor = new THREE.Color(0x333333);
+                } else if (isBorder && rand < 0.6) {
+                    segmentColor = mainColor.clone().offsetHSL(0, 0, -0.1);
+                } else if (isBorder) {
+                    segmentColor = colorPalette[Math.floor(Math.random() * colorPalette.length)].clone().offsetHSL(0, 0, -0.1);
+                } else {
+                    if (rand < 0.85) {
+                        segmentColor = mainColor.clone();
+                        segmentColor.offsetHSL((Math.random() - 0.5) * 0.1, (Math.random() - 0.5) * 0.3, (Math.random() - 0.5) * 0.2);
+                    } else {
+                        segmentColor = colorPalette[Math.floor(Math.random() * colorPalette.length)];
+                    }
+                }
+                vertices.push(v1.x, v1.y, v1.z, v2.x, v2.y, v2.z, v3.x, v3.y, v3.z);
+                colors.push(segmentColor.r, segmentColor.g, segmentColor.b, segmentColor.r, segmentColor.g, segmentColor.b, segmentColor.r, segmentColor.g, segmentColor.b);
+                const edge1 = new THREE.Vector3().subVectors(v2, v1);
+                const edge2 = new THREE.Vector3().subVectors(v3, v1);
+                const faceNormal = new THREE.Vector3().crossVectors(edge1, edge2).normalize();
+                const randomVec = new THREE.Vector3(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5).normalize();
+                faceNormal.add(randomVec.multiplyScalar(randomnessFactor)).normalize();
+                normals.push(faceNormal.x, faceNormal.y, faceNormal.z, faceNormal.x, faceNormal.y, faceNormal.z, faceNormal.x, faceNormal.y, faceNormal.z);
+            };
+
+            for (let r = 0; r < rings; r++) {
+                for (let s = 0; s < segments; s++) {
+                    const angle1 = (s / segments) * Math.PI * 2;
+                    const angle2 = ((s + 1) / segments) * Math.PI * 2;
+                    const v1 = new THREE.Vector3(Math.cos(angle1) * (r * radius / rings), Math.sin(angle1) * (r * radius / rings), 0);
+                    const v2 = new THREE.Vector3(Math.cos(angle2) * (r * radius / rings), Math.sin(angle2) * (r * radius / rings), 0);
+                    const v3 = new THREE.Vector3(Math.cos(angle1) * ((r + 1) * radius / rings), Math.sin(angle1) * ((r + 1) * radius / rings), 0);
+                    const v4 = new THREE.Vector3(Math.cos(angle2) * ((r + 1) * radius / rings), Math.sin(angle2) * ((r + 1) * radius / rings), 0);
+                    addTriangle(v1, v2, v3, r === rings - 1);
+                    addTriangle(v2, v4, v3, r === rings - 1);
+                }
+            }
+            const geometry = new THREE.BufferGeometry();
+            geometry.setAttribute('position', new THREE.Float32BufferAttribute(vertices, 3));
+            geometry.setAttribute('color', new THREE.Float32BufferAttribute(colors, 3));
+            geometry.setAttribute('normal', new THREE.Float32BufferAttribute(normals, 3));
+            return geometry;
+        };
+
         // --- Create and Place Windows ---
         const createAndPlaceWindow = (position, rotationY) => {
             // Pick a main color for this entire window
@@ -164,6 +220,16 @@ export class StainedGlass extends SceneFeature {
             // Right side of Nave
             createAndPlaceWindow(new THREE.Vector3(naveWidth / 2 - 0.01, y, z), -Math.PI / 2);
         }
+
+        // --- Add Huge Rose Window behind the stage ---
+        const roseWindowRadius = naveWidth / 2 - 1; // Almost as wide as the nave
+        const roseWindowMainColor = colorPalette[Math.floor(Math.random() * colorPalette.length)];
+        const roseWindowGeo = createProceduralRoseWindowGeometry(roseWindowMainColor, roseWindowRadius);
+        const roseWindowMesh = new THREE.Mesh(roseWindowGeo, material);
+        roseWindowMesh.position.set(0, naveHeight - 2, -length / 2 + 0.05);
+        state.scene.add(roseWindowMesh);
+        this.windows.push(roseWindowMesh);
+
     }
 
     update(deltaTime) {