diff --git a/lang/fr.json b/lang/fr.json
index cfd7291..2525ee7 100644
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -113,6 +113,7 @@
     "modeDowngrade": "Dégrader",
     "activeEffects": "Effets Actifs",
     "noActiveEffects": "Aucun effet actif",
+    "noItemEffects": "Aucun effet sur cet item",
     "effectSummary": "Résumé des modifications",
     "toggleEffect": "Activer/Désactiver"
   }
diff --git a/modules/applications/sheets/base-actor-sheet.mjs b/modules/applications/sheets/base-actor-sheet.mjs
index 885214a..15cdbde 100644
--- a/modules/applications/sheets/base-actor-sheet.mjs
+++ b/modules/applications/sheets/base-actor-sheet.mjs
@@ -332,7 +332,7 @@ export default class MournbladeCYD2ActorSheetV2 extends HandlebarsApplicationMix
     try {
       // Créer les données par défaut pour un nouvel effet
       const defaultEffectData = {
-        name: game.i18n.localize("MOURNBLADECYD2.EFFECT.new") || "Nouvel Effet",
+        name: game.i18n.localize("EFFECT.new") || "Nouvel Effet",
         icon: "systems/fvtt-mournblade-cyd-2-0/assets/icons/capacite.webp",
         description: "",
         changes: [],
@@ -354,7 +354,7 @@ export default class MournbladeCYD2ActorSheetV2 extends HandlebarsApplicationMix
     } catch (error) {
       console.error("MournbladeCYD2 | Failed to create effect:", error);
       ui.notifications.error(
-        game.i18n.localize("MOURNBLADECYD2.EFFECT.createError") || 
+        game.i18n.localize("EFFECT.createError") || 
         "Erreur lors de la création de l'effet"
       );
     }
@@ -397,8 +397,8 @@ export default class MournbladeCYD2ActorSheetV2 extends HandlebarsApplicationMix
     if (effect) {
       const effectName = effect.name;
       const confirmed = await foundry.applications.api.DialogV2.confirm({
-        title: game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteConfirm") || "Supprimer l'effet",
-        content: game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteConfirmText", {name: effectName}) || 
+        title: game.i18n.localize("EFFECT.deleteConfirm") || "Supprimer l'effet",
+        content: game.i18n.localize("EFFECT.deleteConfirmText", {name: effectName}) || 
                 `Êtes-vous sûr de vouloir supprimer l'effet "${effectName}" ?`
       });
       
@@ -408,7 +408,7 @@ export default class MournbladeCYD2ActorSheetV2 extends HandlebarsApplicationMix
         } catch (error) {
           console.error("MournbladeCYD2 | Failed to delete effect:", error);
           ui.notifications.error(
-            game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteError") || 
+            game.i18n.localize("EFFECT.deleteError") || 
             "Erreur lors de la suppression de l'effet"
           );
         }
@@ -436,7 +436,7 @@ export default class MournbladeCYD2ActorSheetV2 extends HandlebarsApplicationMix
       } catch (error) {
         console.error("MournbladeCYD2 | Failed to toggle effect:", error);
         ui.notifications.error(
-          game.i18n.localize("MOURNBLADECYD2.EFFECT.toggleError") || 
+          game.i18n.localize("EFFECT.toggleError") || 
           "Erreur lors du basculement de l'effet"
         );
       }
diff --git a/modules/applications/sheets/base-item-sheet.mjs b/modules/applications/sheets/base-item-sheet.mjs
index 094d4f8..36c478f 100644
--- a/modules/applications/sheets/base-item-sheet.mjs
+++ b/modules/applications/sheets/base-item-sheet.mjs
@@ -193,7 +193,7 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
     try {
       // Créer les données par défaut pour un nouvel effet
       const defaultEffectData = {
-        name: game.i18n.localize("MOURNBLADECYD2.EFFECT.new") || "Nouvel Effet",
+        name: game.i18n.localize("EFFECT.new") || "Nouvel Effet",
         icon: "systems/fvtt-mournblade-cyd-2-0/assets/icons/capacite.webp",
         description: "",
         changes: [],
@@ -215,7 +215,7 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
     } catch (error) {
       console.error("MournbladeCYD2 | Failed to create effect:", error);
       ui.notifications.error(
-        game.i18n.localize("MOURNBLADECYD2.EFFECT.createError") || 
+        game.i18n.localize("EFFECT.createError") || 
         "Erreur lors de la création de l'effet"
       );
     }
@@ -258,8 +258,8 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
     if (effect) {
       const effectName = effect.name;
       const confirmed = await foundry.applications.api.DialogV2.confirm({
-        title: game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteConfirm") || "Supprimer l'effet",
-        content: game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteConfirmText", {name: effectName}) || 
+        title: game.i18n.localize("EFFECT.deleteConfirm") || "Supprimer l'effet",
+        content: game.i18n.localize("EFFECT.deleteConfirmText", {name: effectName}) || 
                 `Êtes-vous sûr de vouloir supprimer l'effet "${effectName}" ?`
       });
       
@@ -269,7 +269,7 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
         } catch (error) {
           console.error("MournbladeCYD2 | Failed to delete effect:", error);
           ui.notifications.error(
-            game.i18n.localize("MOURNBLADECYD2.EFFECT.deleteError") || 
+            game.i18n.localize("EFFECT.deleteError") || 
             "Erreur lors de la suppression de l'effet"
           );
         }
@@ -297,7 +297,7 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
       } catch (error) {
         console.error("MournbladeCYD2 | Failed to toggle effect:", error);
         ui.notifications.error(
-          game.i18n.localize("MOURNBLADECYD2.EFFECT.toggleError") || 
+          game.i18n.localize("EFFECT.toggleError") || 
           "Erreur lors du basculement de l'effet"
         );
       }
@@ -326,7 +326,7 @@ export default class MournbladeCYD2ItemSheetV2 extends HandlebarsApplicationMixi
     // Cette méthode est placeholders - l'application devrait être gérée par drag-drop
     // ou par une action spécifique qui demande à l'utilisateur de sélectionner un acteur
     ui.notifications.warn(
-      game.i18n.localize("MOURNBLADECYD2.EFFECT.selectActor") || 
+      game.i18n.localize("EFFECT.selectActor") || 
       "Veuillez d'abord sélectionner un acteur pour appliquer cet effet."
     );
   }
diff --git a/modules/mournblade-cyd2-effects.js b/modules/mournblade-cyd2-effects.js
index c952399..4ffcaec 100644
--- a/modules/mournblade-cyd2-effects.js
+++ b/modules/mournblade-cyd2-effects.js
@@ -221,7 +221,7 @@ export class MournbladeCYD2Effects {
     } catch (error) {
       console.error("MournbladeCYD2 | Failed to apply effect:", error);
       ui.notifications?.error(
-        game.i18n?.localize("MOURNBLADECYD2.EFFECT.applyError") || 
+        game.i18n?.localize("EFFECT.applyError") || 
         `Erreur: Impossible d'appliquer l'effet (${error.message})`
       );
       return null;
@@ -259,7 +259,7 @@ export class MournbladeCYD2Effects {
     } catch (error) {
       console.error("MournbladeCYD2 | Failed to apply item effects:", error);
       ui.notifications?.error(
-        game.i18n?.localize("MOURNBLADECYD2.EFFECT.applyItemError") || 
+        game.i18n?.localize("EFFECT.applyItemError") || 
         `Erreur: Impossible d'appliquer les effets de l'item`
       );
       return [];
diff --git a/templates/item-arme-sheet.hbs b/templates/item-arme-sheet.hbs
index 7408286..9069a5f 100644
--- a/templates/item-arme-sheet.hbs
+++ b/templates/item-arme-sheet.hbs
@@ -90,11 +90,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-capaciteautomata-sheet.hbs b/templates/item-capaciteautomata-sheet.hbs
index f4c0c7e..fc980b0 100644
--- a/templates/item-capaciteautomata-sheet.hbs
+++ b/templates/item-capaciteautomata-sheet.hbs
@@ -19,11 +19,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-competence-sheet.hbs b/templates/item-competence-sheet.hbs
index 0e023e7..8c9c477 100644
--- a/templates/item-competence-sheet.hbs
+++ b/templates/item-competence-sheet.hbs
@@ -78,11 +78,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-don-sheet.hbs b/templates/item-don-sheet.hbs
index 3edd138..130a36e 100644
--- a/templates/item-don-sheet.hbs
+++ b/templates/item-don-sheet.hbs
@@ -44,10 +44,8 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
   </section>
 </section>
diff --git a/templates/item-equipement-sheet.hbs b/templates/item-equipement-sheet.hbs
index 9d382cf..631c807 100644
--- a/templates/item-equipement-sheet.hbs
+++ b/templates/item-equipement-sheet.hbs
@@ -19,11 +19,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-historique-sheet.hbs b/templates/item-historique-sheet.hbs
index 73feadf..99169cc 100644
--- a/templates/item-historique-sheet.hbs
+++ b/templates/item-historique-sheet.hbs
@@ -21,11 +21,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-monnaie-sheet.hbs b/templates/item-monnaie-sheet.hbs
index d9135c4..9e494c0 100644
--- a/templates/item-monnaie-sheet.hbs
+++ b/templates/item-monnaie-sheet.hbs
@@ -31,11 +31,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
     </section>
 </section>
diff --git a/templates/item-pacte-sheet.hbs b/templates/item-pacte-sheet.hbs
index 396c7fa..6798d1b 100644
--- a/templates/item-pacte-sheet.hbs
+++ b/templates/item-pacte-sheet.hbs
@@ -27,11 +27,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-pouvoirselementaire-sheet.hbs b/templates/item-pouvoirselementaire-sheet.hbs
index f4c0c7e..fc980b0 100644
--- a/templates/item-pouvoirselementaire-sheet.hbs
+++ b/templates/item-pouvoirselementaire-sheet.hbs
@@ -19,11 +19,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-profil-sheet.hbs b/templates/item-profil-sheet.hbs
index 22c4a9e..d74eb64 100644
--- a/templates/item-profil-sheet.hbs
+++ b/templates/item-profil-sheet.hbs
@@ -97,11 +97,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-protection-sheet.hbs b/templates/item-protection-sheet.hbs
index c8cf0ee..5c5ab21 100644
--- a/templates/item-protection-sheet.hbs
+++ b/templates/item-protection-sheet.hbs
@@ -27,11 +27,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-ressource-sheet.hbs b/templates/item-ressource-sheet.hbs
index c7c800e..35c0e7c 100644
--- a/templates/item-ressource-sheet.hbs
+++ b/templates/item-ressource-sheet.hbs
@@ -23,11 +23,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-rune-sheet.hbs b/templates/item-rune-sheet.hbs
index 84cae3a..bfc1cdd 100644
--- a/templates/item-rune-sheet.hbs
+++ b/templates/item-rune-sheet.hbs
@@ -73,10 +73,8 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
   </section>
 </section>
diff --git a/templates/item-runeeffect-sheet.hbs b/templates/item-runeeffect-sheet.hbs
index 6043cfa..428aa18 100644
--- a/templates/item-runeeffect-sheet.hbs
+++ b/templates/item-runeeffect-sheet.hbs
@@ -61,11 +61,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-talent-sheet.hbs b/templates/item-talent-sheet.hbs
index 8b69be3..c46487f 100644
--- a/templates/item-talent-sheet.hbs
+++ b/templates/item-talent-sheet.hbs
@@ -55,11 +55,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
\ No newline at end of file
diff --git a/templates/item-tendance-sheet.hbs b/templates/item-tendance-sheet.hbs
index 9370fdb..ea66285 100644
--- a/templates/item-tendance-sheet.hbs
+++ b/templates/item-tendance-sheet.hbs
@@ -32,11 +32,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-traitchaotique-sheet.hbs b/templates/item-traitchaotique-sheet.hbs
index 1d09f09..aa3b862 100644
--- a/templates/item-traitchaotique-sheet.hbs
+++ b/templates/item-traitchaotique-sheet.hbs
@@ -19,11 +19,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/item-traitdemoniaque-sheet.hbs b/templates/item-traitdemoniaque-sheet.hbs
index f57689f..2b8e9eb 100644
--- a/templates/item-traitdemoniaque-sheet.hbs
+++ b/templates/item-traitdemoniaque-sheet.hbs
@@ -19,10 +19,8 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
   </section>
 </section>
diff --git a/templates/item-traitespece-sheet.hbs b/templates/item-traitespece-sheet.hbs
index 1d09f09..aa3b862 100644
--- a/templates/item-traitespece-sheet.hbs
+++ b/templates/item-traitespece-sheet.hbs
@@ -19,11 +19,9 @@
     </div>
 
     {{!-- Effects Tab --}}
-    {{#if item.effects.length}}
     <div class="tab effects" data-group="primary" data-tab="effects">
       {{> systems/fvtt-mournblade-cyd-2-0/templates/partial-item-effects.hbs}}
     </div>
-    {{/if}}
 
   </section>
 </section>
diff --git a/templates/partial-active-effects.hbs b/templates/partial-active-effects.hbs
index 62199e1..9aa16f9 100644
--- a/templates/partial-active-effects.hbs
+++ b/templates/partial-active-effects.hbs
@@ -6,11 +6,11 @@
     {{!-- En-tête --}}
     <li class="item flexrow list-item items-title-bg">
       <span class="item-name-label-header">
-        <h3><label class="items-title-text">Effets Actifs</label></h3>
+        <h3><label class="items-title-text">{{localize "EFFECT.activeEffects"}}</label></h3>
       </span>
       <div class="item-filler">&nbsp;</div>
       <div class="item-controls item-controls-fixed">
-        <a class="item-control" data-action="createEffect" title="Ajouter un effet">
+        <a class="item-control" data-action="createEffect" title="{{localize "EFFECT.new"}}">
           <i class="fas fa-plus"></i>
         </a>
       </div>
@@ -19,7 +19,7 @@
     {{!-- Affiche un message si aucun effet --}}
     {{#if (not actor.effects.length)}}
     <li class="item flexrow">
-      <span class="item-name-label competence-name" style="color: #888; font-style: italic;">Aucun effet actif</span>
+      <span class="item-name-label competence-name" style="color: #888; font-style: italic;">{{localize "EFFECT.noActiveEffects"}}</span>
     </li>
     {{/if}}
     
@@ -84,7 +84,7 @@
 {{!-- Affichage détaillé des effets actifs --}}
 {{#if actor.effects.length}}
 <div class="sheet-box color-bg-archetype effect-summary">
-  <h4 class="section-title">Résumé des modifications</h4>
+  <h4 class="section-title">{{localize "EFFECT.effectSummary"}}</h4>
   <div class="effect-modifications">
     {{#each actor.effects as |effect|}}
     {{#if (not effect.disabled)}}
diff --git a/templates/partial-item-effects.hbs b/templates/partial-item-effects.hbs
index 6a0a060..d84efba 100644
--- a/templates/partial-item-effects.hbs
+++ b/templates/partial-item-effects.hbs
@@ -6,11 +6,11 @@
     {{!-- En-tête --}}
     <li class="item flexrow list-item items-title-bg">
       <span class="item-name-label-header">
-        <h3><label class="items-title-text">Effets Actifs</label></h3>
+        <h3><label class="items-title-text">{{localize "EFFECT.activeEffects"}}</label></h3>
       </span>
       <div class="item-filler">&nbsp;</div>
       <div class="item-controls item-controls-fixed">
-        <a class="item-control" data-action="createEffect" title="Ajouter un effet">
+        <a class="item-control" data-action="createEffect" title="{{localize "EFFECT.new"}}">
           <i class="fas fa-plus"></i>
         </a>
       </div>
@@ -19,7 +19,7 @@
     {{!-- Affiche un message si aucun effet --}}
     {{#if (not item.effects.length)}}
     <li class="item flexrow">
-      <span class="item-name-label competence-name" style="color: #888; font-style: italic;">Aucun effet sur cet item</span>
+      <span class="item-name-label competence-name" style="color: #888; font-style: italic;">{{localize "EFFECT.noItemEffects"}}</span>
     </li>
     {{/if}}
     
diff --git a/templates/partial-item-nav.hbs b/templates/partial-item-nav.hbs
index f491a4e..2955110 100644
--- a/templates/partial-item-nav.hbs
+++ b/templates/partial-item-nav.hbs
@@ -3,6 +3,6 @@
 <nav class="sheet-tabs tabs" data-group="primary">
   <a class="item" data-tab="description" aria-label="{{localize 'MNBL.description'}}">{{localize "MNBL.description"}}</a>
   <a class="item" data-tab="details" aria-label="{{localize 'MNBL.details'}}">{{localize "MNBL.details"}}</a>
-  <a class="item" data-tab="effects" aria-label="{{localize 'MOURNBLADECYD2.EFFECT.activeEffects'}}">{{localize "MOURNBLADECYD2.EFFECT.activeEffects"}}</a>
+  <a class="item" data-tab="effects" aria-label="{{localize 'EFFECT.activeEffects'}}">{{localize "EFFECT.activeEffects"}}</a>
 </nav>
 <hr />