diff --git a/src/game/social_handler.cpp b/src/game/social_handler.cpp
index 172a5c12..2e2e15d3 100644
--- a/src/game/social_handler.cpp
+++ b/src/game/social_handler.cpp
@@ -20,9 +20,12 @@ namespace game {
 
 
 
+// LFG join result codes from LFGJoinResult enum (WotLK 3.3.5a).
+// Case 0 = success (no error message needed), returns nullptr so the caller
+// knows not to display an error string.
 static const char* lfgJoinResultString(uint8_t result) {
     switch (result) {
-        case 0:  return nullptr;
+        case 0:  return nullptr;  // LFG_JOIN_OK
         case 1:  return "Role check failed.";
         case 2:  return "No LFG slots available for your group.";
         case 3:  return "No LFG object found.";
@@ -37,6 +40,7 @@ static const char* lfgJoinResultString(uint8_t result) {
         case 12: return "A party member is marked as a deserter.";
         case 13: return "You are on a random dungeon cooldown.";
         case 14: return "A party member is on a random dungeon cooldown.";
+        case 15: return "Cannot join dungeon finder.";  // LFG_JOIN_INTERNAL_ERROR
         case 16: return "No spec/role available.";
         default: return "Cannot join dungeon finder.";
     }
diff --git a/src/rendering/renderer.cpp b/src/rendering/renderer.cpp
index c5f3ab05..17b7e996 100644
--- a/src/rendering/renderer.cpp
+++ b/src/rendering/renderer.cpp
@@ -1709,7 +1709,6 @@ void Renderer::setMounted(uint32_t mountInstId, uint32_t mountDisplayId, float h
     }
 
     // Ensure we have fallbacks for movement
-    if (mountAnims_.stand == 0) mountAnims_.stand = 0;  // Force 0 even if not found
     if (mountAnims_.run == 0) mountAnims_.run = mountAnims_.stand;  // Fallback to stand if no run
 
     core::Logger::getInstance().debug("Mount animation set: jumpStart=", mountAnims_.jumpStart,
@@ -3502,7 +3501,9 @@ void Renderer::update(float deltaTime) {
         bool isIndoor = insideWmo;
         bool isSwimming = cameraController->isSwimming();
 
-        // Check if inside blacksmith (96048 = Goldshire blacksmith)
+        // Detect blacksmith buildings to play ambient forge/anvil sounds.
+        // 96048 is the WMO group ID for the Goldshire blacksmith interior.
+        // TODO: extend to other smithy WMO IDs (Ironforge, Orgrimmar, etc.)
         bool isBlacksmith = (insideWmoId == 96048);
 
         // Sync weather audio with visual weather system
@@ -3582,8 +3583,8 @@ void Renderer::update(float deltaTime) {
                     lastLoggedWmoId = wmoModelId;
                 }
 
-                // Blacksmith detection
-                if (wmoModelId == 96048) {  // Goldshire blacksmith
+                // Detect blacksmith WMO for ambient forge sounds
+                if (wmoModelId == 96048) {  // Goldshire blacksmith interior
                     insideBlacksmith = true;
                     LOG_INFO("Detected blacksmith WMO ", wmoModelId);
                 }
diff --git a/src/rendering/terrain_renderer.cpp b/src/rendering/terrain_renderer.cpp
index 9ba0e732..bdd554f9 100644
--- a/src/rendering/terrain_renderer.cpp
+++ b/src/rendering/terrain_renderer.cpp
@@ -727,7 +727,7 @@ void TerrainRenderer::render(VkCommandBuffer cmd, VkDescriptorSet perFrameSet, c
         glm::vec3 cam = camera.getPosition();
         // Find chunk nearest to camera
         const TerrainChunkGPU* nearest = nullptr;
-        float nearestDist = 1e30f;
+        float nearestDist = std::numeric_limits<float>::max();
         for (const auto& ch : chunks) {
             float dx = ch.boundingSphereCenter.x - cam.x;
             float dy = ch.boundingSphereCenter.y - cam.y;
@@ -765,7 +765,10 @@ void TerrainRenderer::render(VkCommandBuffer cmd, VkDescriptorSet perFrameSet, c
     }
 
     glm::vec3 camPos = camera.getPosition();
-    const float maxTerrainDistSq = 1200.0f * 1200.0f;
+    // Terrain chunks beyond this distance are culled. 1200 world units ≈ 9 ADT tiles,
+    // matching the asset loading radius (8 tiles) plus a buffer for pop-in avoidance.
+    constexpr float kMaxTerrainViewDist = 1200.0f;
+    const float maxTerrainDistSq = kMaxTerrainViewDist * kMaxTerrainViewDist;
 
     renderedChunks = 0;
     culledChunks = 0;