diff --git a/include/game/inventory.hpp b/include/game/inventory.hpp
index 7a3bcb8c..ac6af201 100644
--- a/include/game/inventory.hpp
+++ b/include/game/inventory.hpp
@@ -15,6 +15,8 @@ enum class ItemQuality : uint8_t {
     RARE = 3,       // Blue
     EPIC = 4,       // Purple
     LEGENDARY = 5,  // Orange
+    ARTIFACT = 6,   // Yellow (unused in 3.3.5a but valid quality value)
+    HEIRLOOM = 7,   // Yellow/gold (WotLK bind-on-account heirlooms)
 };
 
 enum class EquipSlot : uint8_t {
diff --git a/src/game/inventory.cpp b/src/game/inventory.cpp
index 1750253a..259fb872 100644
--- a/src/game/inventory.cpp
+++ b/src/game/inventory.cpp
@@ -313,6 +313,8 @@ const char* getQualityName(ItemQuality quality) {
         case ItemQuality::RARE:      return "Rare";
         case ItemQuality::EPIC:      return "Epic";
         case ItemQuality::LEGENDARY: return "Legendary";
+        case ItemQuality::ARTIFACT:  return "Artifact";
+        case ItemQuality::HEIRLOOM:  return "Heirloom";
         default:                     return "Unknown";
     }
 }
diff --git a/src/ui/inventory_screen.cpp b/src/ui/inventory_screen.cpp
index aa6c6c75..23b83d33 100644
--- a/src/ui/inventory_screen.cpp
+++ b/src/ui/inventory_screen.cpp
@@ -103,6 +103,8 @@ ImVec4 InventoryScreen::getQualityColor(game::ItemQuality quality) {
         case game::ItemQuality::RARE:      return ImVec4(0.0f, 0.44f, 0.87f, 1.0f);  // Blue
         case game::ItemQuality::EPIC:      return ImVec4(0.64f, 0.21f, 0.93f, 1.0f); // Purple
         case game::ItemQuality::LEGENDARY: return ImVec4(1.0f, 0.50f, 0.0f, 1.0f);   // Orange
+        case game::ItemQuality::ARTIFACT:  return ImVec4(0.90f, 0.80f, 0.50f, 1.0f); // Light gold
+        case game::ItemQuality::HEIRLOOM:  return ImVec4(0.90f, 0.80f, 0.50f, 1.0f); // Light gold
         default:                           return ImVec4(1.0f, 1.0f, 1.0f, 1.0f);
     }
 }
@@ -2268,6 +2270,8 @@ void InventoryScreen::renderItemSlot(game::Inventory& inventory, const game::Ite
                 case game::ItemQuality::RARE:      qualHex = "0070dd"; break;
                 case game::ItemQuality::EPIC:      qualHex = "a335ee"; break;
                 case game::ItemQuality::LEGENDARY: qualHex = "ff8000"; break;
+                case game::ItemQuality::ARTIFACT:  qualHex = "e6cc80"; break;
+                case game::ItemQuality::HEIRLOOM:  qualHex = "e6cc80"; break;
                 default: break;
             }
             char linkBuf[512];