diff --git a/include/ui/spellbook_screen.hpp b/include/ui/spellbook_screen.hpp
index 7d562077..77f1c2d6 100644
--- a/include/ui/spellbook_screen.hpp
+++ b/include/ui/spellbook_screen.hpp
@@ -44,6 +44,11 @@ public:
     // Spell name lookup — triggers DBC load if needed, used by action bar tooltips
     std::string lookupSpellName(uint32_t spellId, pipeline::AssetManager* assetManager);
 
+    // Rich tooltip — renders a full spell tooltip (inside an already-open BeginTooltip block).
+    // Triggers DBC load if needed. Returns true if spell data was found.
+    bool renderSpellInfoTooltip(uint32_t spellId, game::GameHandler& gameHandler,
+                                pipeline::AssetManager* assetManager);
+
     // Drag-and-drop state for action bar assignment
     bool isDraggingSpell() const { return draggingSpell_; }
     uint32_t getDragSpellId() const { return dragSpellId_; }
diff --git a/src/ui/game_screen.cpp b/src/ui/game_screen.cpp
index 6f3eea0a..2911a722 100644
--- a/src/ui/game_screen.cpp
+++ b/src/ui/game_screen.cpp
@@ -4141,9 +4141,15 @@ void GameScreen::renderActionBar(game::GameHandler& gameHandler) {
 
         // Tooltip
         if (ImGui::IsItemHovered() && !slot.isEmpty() && slot.id != 0) {
-            ImGui::BeginTooltip();
             if (slot.type == game::ActionBarSlot::SPELL) {
-                ImGui::Text("%s", getSpellName(slot.id).c_str());
+                // Use the spellbook's rich tooltip (school, cost, cast time, range, description).
+                // Falls back to the simple name if DBC data isn't loaded yet.
+                ImGui::BeginTooltip();
+                bool richOk = spellbookScreen.renderSpellInfoTooltip(slot.id, gameHandler, assetMgr);
+                if (!richOk) {
+                    ImGui::Text("%s", getSpellName(slot.id).c_str());
+                }
+                // Hearthstone: add location note after the spell tooltip body
                 if (slot.id == 8690) {
                     uint32_t mapId = 0; glm::vec3 pos;
                     if (gameHandler.getHomeBind(mapId, pos)) {
@@ -4156,25 +4162,34 @@ void GameScreen::renderActionBar(game::GameHandler& gameHandler) {
                         }
                         ImGui::TextColored(ImVec4(0.8f, 0.9f, 1.0f, 1.0f), "Home: %s", mapName);
                     }
-                    ImGui::TextDisabled("Use: Teleport home");
                 }
+                if (onCooldown) {
+                    float cd = slot.cooldownRemaining;
+                    if (cd >= 60.0f)
+                        ImGui::TextColored(ImVec4(1.0f, 0.3f, 0.3f, 1.0f),
+                            "Cooldown: %d min %d sec", (int)cd/60, (int)cd%60);
+                    else
+                        ImGui::TextColored(ImVec4(1.0f, 0.3f, 0.3f, 1.0f), "Cooldown: %.1f sec", cd);
+                }
+                ImGui::EndTooltip();
             } else if (slot.type == game::ActionBarSlot::ITEM) {
+                ImGui::BeginTooltip();
                 if (barItemDef && !barItemDef->name.empty())
                     ImGui::Text("%s", barItemDef->name.c_str());
                 else if (!itemNameFromQuery.empty())
                     ImGui::Text("%s", itemNameFromQuery.c_str());
                 else
                     ImGui::Text("Item #%u", slot.id);
+                if (onCooldown) {
+                    float cd = slot.cooldownRemaining;
+                    if (cd >= 60.0f)
+                        ImGui::TextColored(ImVec4(1.0f, 0.3f, 0.3f, 1.0f),
+                            "Cooldown: %d min %d sec", (int)cd/60, (int)cd%60);
+                    else
+                        ImGui::TextColored(ImVec4(1.0f, 0.3f, 0.3f, 1.0f), "Cooldown: %.1f sec", cd);
+                }
+                ImGui::EndTooltip();
             }
-            if (onCooldown) {
-                float cd = slot.cooldownRemaining;
-                if (cd >= 60.0f)
-                    ImGui::TextColored(ImVec4(1.0f, 0.8f, 0.2f, 1.0f),
-                        "Cooldown: %d min %d sec", (int)cd/60, (int)cd%60);
-                else
-                    ImGui::TextColored(ImVec4(1.0f, 0.8f, 0.2f, 1.0f), "Cooldown: %.1f sec", cd);
-            }
-            ImGui::EndTooltip();
         }
 
         // Cooldown overlay: WoW-style clock-sweep + time text
diff --git a/src/ui/spellbook_screen.cpp b/src/ui/spellbook_screen.cpp
index 5352eb41..f90090f7 100644
--- a/src/ui/spellbook_screen.cpp
+++ b/src/ui/spellbook_screen.cpp
@@ -184,6 +184,15 @@ void SpellbookScreen::loadSpellDBC(pipeline::AssetManager* assetManager) {
     dbcLoaded = !spellData.empty();
 }
 
+bool SpellbookScreen::renderSpellInfoTooltip(uint32_t spellId, game::GameHandler& gameHandler,
+                                              pipeline::AssetManager* assetManager) {
+    if (!dbcLoadAttempted) loadSpellDBC(assetManager);
+    const SpellInfo* info = getSpellInfo(spellId);
+    if (!info) return false;
+    renderSpellTooltip(info, gameHandler);
+    return true;
+}
+
 std::string SpellbookScreen::lookupSpellName(uint32_t spellId, pipeline::AssetManager* assetManager) {
     if (!dbcLoadAttempted) {
         loadSpellDBC(assetManager);