diff --git a/module/actor.js b/module/actor.js
index 5ad7ce8e..59a3402f 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -18,7 +18,7 @@ import { RdDItemArme } from "./item-arme.js";
 import { RdDAlchimie } from "./rdd-alchimie.js";
 import { STATUSES, StatusEffects } from "./settings/status-effects.js";
 import { RdDItemCompetenceCreature } from "./item-competencecreature.js";
-import { RdDItemSigneDraconique } from "./item/item-signedraconique.js";
+import { RdDItemSigneDraconique } from "./item/signedraconique.js";
 import { ReglesOptionelles } from "./settings/regles-optionelles.js";
 import { EffetsDraconiques } from "./tmr/effets-draconiques.js";
 import { Draconique } from "./tmr/draconique.js";
@@ -30,7 +30,7 @@ import { RdDPossession } from "./rdd-possession.js";
 import { ENTITE_BLURETTE, ENTITE_INCARNE, ENTITE_NONINCARNE, SHOW_DICE, SYSTEM_RDD, SYSTEM_SOCKET_ID } from "./constants.js";
 import { RdDConfirm } from "./rdd-confirm.js";
 import { DialogValidationEncaissement } from "./dialog-validation-encaissement.js";
-import { RdDRencontre } from "./item/item-rencontre.js";
+import { RdDRencontre } from "./item/rencontre.js";
 import { Targets } from "./targets.js";
 import { DialogRepos } from "./dialog-repos.js";
 import { RdDBaseActor } from "./actor/base-actor.js";
diff --git a/module/dialog-create-signedraconique.js b/module/dialog-create-signedraconique.js
index 7f5820be..d59e60df 100644
--- a/module/dialog-create-signedraconique.js
+++ b/module/dialog-create-signedraconique.js
@@ -1,6 +1,6 @@
 import { ChatUtility } from "./chat-utility.js";
 import { HtmlUtility } from "./html-utility.js";
-import { RdDItemSigneDraconique } from "./item/item-signedraconique.js";
+import { RdDItemSigneDraconique } from "./item/signedraconique.js";
 import { TMRUtility } from "./tmr-utility.js";
 
 export class DialogCreateSigneDraconique extends Dialog {
diff --git a/module/environnement.js b/module/environnement.js
index 891126d4..4c9e58ba 100644
--- a/module/environnement.js
+++ b/module/environnement.js
@@ -1,13 +1,10 @@
 import { SYSTEM_RDD } from "./constants.js";
 import { Grammar } from "./grammar.js";
-import { HtmlUtility } from "./html-utility.js";
 import { Misc } from "./misc.js";
 import { CompendiumTableHelpers, CompendiumTable, SystemCompendiums } from "./settings/system-compendiums.js";
-import { RdDRaretes } from "./tirage/raretes.js";
 
 
 const COMPENDIUMS_RECHERCHE = 'compendiums-recherche';
-const TYPE_ITEMS_NATURELS = ["faune", "herbe", "plante", "ingredient"];
 
 export class Environnement {
   static init() {
@@ -46,7 +43,8 @@ export class Environnement {
   }
 
   async $prepareCompendiums() {
-    this.compendiums = game.settings.get(SYSTEM_RDD, COMPENDIUMS_RECHERCHE);
+    this.compendiums = game.settings.get(SYSTEM_RDD, COMPENDIUMS_RECHERCHE).filter(c => SystemCompendiums.getPack(c));
+
     this.compendiumTables = this.compendiums.map(it => new CompendiumTable(it, 'Item'));
     const compendiumItems = await this.getElements(it => 1, it => it.isInventaire());
     const fromCompendiums = Misc.concat(compendiumItems.map(it => it.getMilieux().filter(m => m)));
@@ -75,99 +73,3 @@ export class Environnement {
     return CompendiumTableHelpers.buildTable(elements, itemFrequence);
   }
 }
-
-export class EnvironmentSheetHelper {
-  static defaultOptions(defaultOptions) {
-    return mergeObject(defaultOptions, {
-      tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "informations" }]
-    });
-  }
-
-  static setPosition(sheet, superPosition) {
-    const position = superPosition;
-    const sheetHeader = sheet.element.find(".sheet-header");
-    const sheetBody = sheet.element.find(".sheet-body");
-    sheetBody.css("height", position.height - sheetHeader[0].clientHeight)
-    return position;
-  }
-
-  /* -------------------------------------------- */
-  static async getData(sheet, formData) {
-    return mergeObject(formData, {
-      milieux: await game.system.rdd.environnement.autresMilieux(sheet.item)
-    });
-  }
-
-  static activateListeners(sheet) {
-    HtmlUtility.showControlWhen(sheet.html.find("div.description-milieu"), TYPE_ITEMS_NATURELS.includes(sheet.item.type));
-
-    if (!sheet.options.editable) return;
-
-    sheet.html.find("input.input-selection-milieu").keypress(event => {
-      if (event.keyCode == '13') {
-        EnvironmentSheetHelper.onAddMilieu(sheet, event);
-      }
-      event.stopPropagation();
-    })
-    sheet.html.find("a.milieu-add").click(event => EnvironmentSheetHelper.onAddMilieu(sheet, event));
-    sheet.html.find("div.environnement-milieu a.milieu-delete").click(event => EnvironmentSheetHelper.onDeleteMilieu(sheet, event));
-    sheet.html.find("div.environnement-milieu select.environnement-rarete").change(event => EnvironmentSheetHelper.onChange(sheet, event,
-      updated => EnvironmentSheetHelper.$changeRarete(sheet, event, updated)));
-    sheet.html.find("div.environnement-milieu input[name='environnement-frequence']").change(event => EnvironmentSheetHelper.onChange(sheet, event,
-      updated => EnvironmentSheetHelper.$changeFrequence(sheet, event, updated)));
-  }
-
-  static $changeFrequence(sheet, event, updated) {
-    updated.frequence = Number(sheet.html.find(event.currentTarget).val());
-  }
-
-  static $changeRarete(sheet, event, updated) {
-    const name = sheet.html.find(event.currentTarget).val();
-    const rarete = RdDRaretes.getRarete(name);
-    updated.rarete = rarete.code;
-    updated.frequence = rarete.frequence;
-  }
-
-  static async onAddMilieu(sheet, event) {
-    const milieu = sheet.html.find('input.input-selection-milieu').val();
-    if (!milieu) {
-      ui.notifications.warn(`Choisissez le milieu dans lequel se trouve le/la ${sheet.item.name}`);
-      return
-    }
-    const list = sheet.item.system.environnement;
-    const exists = list.find(it => it.milieu == milieu);
-    if (exists) {
-      ui.notifications.warn(`${sheet.item.name} a déjà une rareté ${exists.rarete} en ${milieu} (fréquence: ${exists.frequence})`);
-      return
-    }
-    const rarete = RdDRaretes.getRarete();
-    const newList = [...list, { milieu, rarete: rarete.code, frequence: rarete.frequence }].sort(Misc.ascending(it => it.milieu))
-    await sheet.item.update({ 'system.environnement': newList })
-  }
-
-  static async onDeleteMilieu(sheet, event) {
-    const milieu = EnvironmentSheetHelper.$getEventMilieu(sheet, event);
-    if (milieu != undefined) {
-      const newList = sheet.item.system.environnement.filter(it => it.milieu != milieu)
-        .sort(Misc.ascending(it => it.milieu));
-      await sheet.item.update({ 'system.environnement': newList });
-    }
-  }
-
-  static async onChange(sheet, event, doMutation) {
-    const list = sheet.item.system.environnement;
-    const milieu = EnvironmentSheetHelper.$getEventMilieu(sheet, event);
-    const updated = list.find(it => it.milieu == milieu);
-    if (updated) {
-      doMutation(updated);
-      const newList = [...list.filter(it => it.milieu != milieu), updated]
-        .sort(Misc.ascending(it => it.milieu));
-      await sheet.item.update({ 'system.environnement': newList });
-    }
-  }
-
-  static $getEventMilieu(sheet, event) {
-    return sheet.html.find(event.currentTarget)?.parents("div.environnement-milieu").data("milieu");
-  }
-
-}
\ No newline at end of file
diff --git a/module/item-arme.js b/module/item-arme.js
index 22118f78..4f78a8e4 100644
--- a/module/item-arme.js
+++ b/module/item-arme.js
@@ -1,5 +1,4 @@
 import { RdDItemCompetenceCreature } from "./item-competencecreature.js"
-import { Misc } from "./misc.js";
 import { RdDCombatManager } from "./rdd-combat.js";
 
 const nomCategorieParade = {
diff --git a/module/item-faune-sheet.js b/module/item-faune-sheet.js
deleted file mode 100644
index f49d2317..00000000
--- a/module/item-faune-sheet.js
+++ /dev/null
@@ -1,67 +0,0 @@
-import { EnvironmentSheetHelper } from "./environnement.js";
-import { RdDItemSheet } from "./item-sheet.js";
-import { RdDUtility } from "./rdd-utility.js";
-
-export class RdDFauneItemSheet extends RdDItemSheet {
-
-  static get ITEM_TYPE() { return "faune" };
-
-  static get defaultOptions() {
-    return EnvironmentSheetHelper.defaultOptions(super.defaultOptions);
-  }
-
-  setPosition(options = {}) {
-    return EnvironmentSheetHelper.setPosition(this, super.setPosition(options));
-  }
-
-  async getData() {
-    const formData = await super.getData();
-    return await EnvironmentSheetHelper.getData(this, formData);
-  }
-
-  activateListeners(html) {
-    super.activateListeners(html);
-    if (!this.options.editable) return;
-
-    EnvironmentSheetHelper.activateListeners(this);
-
-    html.find("a.linked-actor-delete").click(event => this.onDeleteLinkedActor());
-    html.find("a.preparer-nourriture").click(event => this.preparerNourriture(event));
-    html.find("a.manger-nourriture").click(event => this.mangerNourriture(event));
-  }
-
-  async _onDropActor(event, dragData) {
-    console.log('faune:dropActor', event, dragData)
-    const linkedActor = fromUuidSync(dragData.uuid);
-    if (linkedActor?.pack) {
-      this.item.update({
-        'system.actor.pack': linkedActor.pack,
-        'system.actor.id': linkedActor._id,
-        'system.actor.name': linkedActor.name
-      });
-    }
-    else {
-      ui.notifications.warn(`${linkedActor.name} ne provient pas d'un compendium.
-        <br>Choisissez une créature du compendium pour représenter un élément de faune générique`)
-    }
-  }
-  async onDeleteLinkedActor() {
-    this.item.update({
-      'system.actor.pack': '',
-      'system.actor.id': '',
-      'system.actor.name': ''
-    });
-  }
-
-  async preparerNourriture(event) {
-    if (this.actor) {
-      await this.actor.preparerNourriture(this.item);
-    }
-  }
-  async mangerNourriture(event) {
-    if (this.actor) {
-      await this.actor.mangerNourriture(this.item);
-    }
-  }
-
-}
diff --git a/module/item-herbe-sheet.js b/module/item-herbe-sheet.js
deleted file mode 100644
index 0cc0c36b..00000000
--- a/module/item-herbe-sheet.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import { EnvironmentSheetHelper } from "./environnement.js";
-import { RdDItemSheet } from "./item-sheet.js";
-
-export class RdDHerbeItemSheet extends RdDItemSheet {
-
-  static get ITEM_TYPE() { return "herbe" };
-
-  static get defaultOptions() {
-    return EnvironmentSheetHelper.defaultOptions(super.defaultOptions);
-  }
-
-  setPosition(options = {}) {
-    return EnvironmentSheetHelper.setPosition(this, super.setPosition(options));
-  }
-
-  async getData() {
-    const formData = await super.getData();
-    return await EnvironmentSheetHelper.getData(this, formData);
-  }
-
-  activateListeners(html) {
-    super.activateListeners(html);
-    EnvironmentSheetHelper.activateListeners(this);
-  }
-}
diff --git a/module/item-ingredient-sheet.js b/module/item-ingredient-sheet.js
deleted file mode 100644
index fdfc66ae..00000000
--- a/module/item-ingredient-sheet.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import { EnvironmentSheetHelper } from "./environnement.js";
-import { RdDItemSheet } from "./item-sheet.js";
-
-export class RdDIngredientItemSheet extends RdDItemSheet {
-
-  static get ITEM_TYPE() { return "ingredient" };
-
-  static get defaultOptions() {
-    return EnvironmentSheetHelper.defaultOptions(super.defaultOptions);
-  }
-
-  setPosition(options = {}) {
-    return EnvironmentSheetHelper.setPosition(this, super.setPosition(options));
-  }
-
-  async getData() {
-    const formData = await super.getData();
-    return await EnvironmentSheetHelper.getData(this, formData);
-  }
-
-  activateListeners(html) {
-    super.activateListeners(html);
-    EnvironmentSheetHelper.activateListeners(this);
-  }
-}
diff --git a/module/item-plante-sheet.js b/module/item-plante-sheet.js
deleted file mode 100644
index f4401270..00000000
--- a/module/item-plante-sheet.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import { EnvironmentSheetHelper } from "./environnement.js";
-import { RdDItemSheet } from "./item-sheet.js";
-
-export class RdDPlanteItemSheet extends RdDItemSheet {
-
-  static get ITEM_TYPE() { return "plante" };
-
-  static get defaultOptions() {
-    return EnvironmentSheetHelper.defaultOptions(super.defaultOptions);
-  }
-
-  setPosition(options = {}) {
-    return EnvironmentSheetHelper.setPosition(this, super.setPosition(options));
-  }
-
-  async getData() {
-    const formData = await super.getData();
-    return await EnvironmentSheetHelper.getData(this, formData);
-  }
-
-  activateListeners(html) {
-    super.activateListeners(html);
-    EnvironmentSheetHelper.activateListeners(this);
-  }
-}
diff --git a/module/item.js b/module/item.js
index 8669ce38..b526521e 100644
--- a/module/item.js
+++ b/module/item.js
@@ -1,12 +1,11 @@
 import { DialogItemVente } from "./dialog-item-vente.js";
-import { Environnement } from "./environnement.js";
 import { Grammar } from "./grammar.js";
 import { Misc } from "./misc.js";
 import { RdDHerbes } from "./rdd-herbes.js";
 import { RdDTimestamp } from "./rdd-timestamp.js";
 import { RdDUtility } from "./rdd-utility.js";
 import { SystemCompendiums } from "./settings/system-compendiums.js";
-import { RdDRaretes } from "./tirage/raretes.js";
+import { RdDRaretes } from "./item/raretes.js";
 
 const typesInventaireMateriel = [
   "arme",
@@ -493,7 +492,7 @@ export class RdDItem extends Item {
       return [false, `Impossible de regrouper ${this.name} avec ${other.name}`];
     }
     else {
-      const excludedProperties = ['quantite', 'cout', 'encTotal', 'environnement'];
+      const excludedProperties = ['quantite', 'cout', 'encTotal', 'environnement', 'contenu'];
       if (this.getUtilisationCuisine()) {
         excludedProperties.push('sust', 'encombrement');
       }
diff --git a/module/tirage/raretes.js b/module/item/raretes.js
similarity index 91%
rename from module/tirage/raretes.js
rename to module/item/raretes.js
index ffffb25d..22398ed3 100644
--- a/module/tirage/raretes.js
+++ b/module/item/raretes.js
@@ -15,12 +15,12 @@ const RARETES = [
 
 export class RdDRaretes {
 
-  static getRarete(code = undefined) {
+  static getRareteByCode(code = undefined) {
     return RARETES.find(it => it.code == code) ?? RARETE_FREQUENTE;
   }
 
   static getChamp(rarete, field = undefined) {
-    const selected = this.getRarete(rarete);
+    const selected = this.getRareteByCode(rarete);
     return field ? selected[field] : selected[frequence];
   }
 
@@ -37,7 +37,7 @@ export class RdDRaretes {
     const freqMax = Math.max(0, ...list.map(env => env.frequence));
     const env = list.find(env => env.frequence == freqMax);
     if (env) {
-      return RdDRaretes.getRarete(env.rarete)
+      return RdDRaretes.getRareteByCode(env.rarete)
     }
     if (milieux == undefined) {
       return RdDRaretes.selonQualite(item)
diff --git a/module/item/item-rencontre.js b/module/item/rencontre.js
similarity index 100%
rename from module/item/item-rencontre.js
rename to module/item/rencontre.js
diff --git a/module/item/item-service.js b/module/item/service.js
similarity index 100%
rename from module/item/item-service.js
rename to module/item/service.js
diff --git a/module/item/sheet-base-inventaire.js b/module/item/sheet-base-inventaire.js
new file mode 100644
index 00000000..1c7a8996
--- /dev/null
+++ b/module/item/sheet-base-inventaire.js
@@ -0,0 +1,119 @@
+import { HtmlUtility } from "../html-utility.js";
+import { RdDItemSheet } from "../item-sheet.js";
+import { Misc } from "../misc.js";
+import { RdDRaretes } from "./raretes.js";
+
+const TYPE_ITEMS_NATURELS = ["faune", "herbe", "plante", "ingredient"];
+
+export class RdDItemInventaireSheet extends RdDItemSheet {
+
+  static get defaultOptions() {
+    return mergeObject(RdDItemSheet.defaultOptions, {
+      tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "informations" }]
+    });
+  }
+
+  setPosition(options = {}) {
+    const position = super.setPosition(options);
+    const sheetHeader = this.element.find(".sheet-header");
+    const sheetBody = this.element.find(".sheet-body");
+    sheetBody.css("height", position.height - sheetHeader[0].clientHeight)
+    return position;
+  }
+
+  async getData() {
+    const formData = await super.getData();
+    return mergeObject(formData, {
+      milieux: await game.system.rdd.environnement.autresMilieux(this.item)
+    });
+  }
+
+  activateListeners(html) {
+    super.activateListeners(html);
+    HtmlUtility.showControlWhen(this.html.find("div.description-milieu"), TYPE_ITEMS_NATURELS.includes(this.item.type));
+
+    if (!this.options.editable) return;
+    this.html.find("a.preparer-nourriture").click(event => this.preparerNourriture(event));
+    this.html.find("a.manger-nourriture").click(event => this.mangerNourriture(event));
+
+    this.html.find("input.input-selection-milieu").keypress(event => {
+      if (event.keyCode == '13') {
+        this.onAddMilieu(event);
+      }
+      event.stopPropagation();
+    })
+    this.html.find("a.milieu-add").click(event => this.onAddMilieu(event));
+    this.html.find("div.environnement-milieu a.milieu-delete").click(event => this.onDeleteMilieu(event));
+    this.html.find("div.environnement-milieu select.environnement-rarete").change(event => this.onChange(event,
+      updated => this.$changeRarete(event, updated)));
+    this.html.find("div.environnement-milieu input[name='environnement-frequence']").change(event => this.onChange(event,
+      updated => this.$changeFrequence(event, updated)));
+
+
+  }
+
+  async preparerNourriture(event) {
+    if (this.actor && this.item.getUtilisationCuisine() == 'brut') {
+      await this.actor.preparerNourriture(this.item);
+    }
+  }
+
+  async mangerNourriture(event) {
+    if (this.actor && this.item.getUtilisation() == 'cuisine') {
+      await this.actor.mangerNourriture(this.item);
+    }
+  }
+
+  $changeFrequence(event, updated) {
+    updated.frequence = Number(this.html.find(event.currentTarget).val());
+  }
+
+  $changeRarete(event, updated) {
+    const code = this.html.find(event.currentTarget).val();
+    const rarete = RdDRaretes.getRareteByCode(code);
+    updated.rarete = rarete.code;
+    updated.frequence = rarete.frequence;
+  }
+
+  async onAddMilieu(event) {
+    const milieu = this.html.find('input.input-selection-milieu').val();
+    if (!milieu) {
+      ui.notifications.warn(`Choisissez le milieu dans lequel se trouve le/la ${this.item.name}`);
+      return
+    }
+    const list = this.item.getEnvironnement();
+    const exists = list.find(it => it.milieu == milieu);
+    if (exists) {
+      ui.notifications.warn(`${this.item.name} a déjà une rareté ${exists.rarete} en ${milieu} (fréquence: ${exists.frequence})`);
+      return
+    }
+    const rarete = RdDRaretes.rareteFrequente();
+    const newList = [...list, { milieu, rarete: rarete.code, frequence: rarete.frequence }].sort(Misc.ascending(it => it.milieu))
+    await this.item.update({ 'system.environnement': newList })
+  }
+
+  async onDeleteMilieu(event) {
+    const milieu = this.$getEventMilieu(event);
+    if (milieu != undefined) {
+      const newList = this.item.getEnvironnement().filter(it => it.milieu != milieu)
+        .sort(Misc.ascending(it => it.milieu));
+      await this.item.update({ 'system.environnement': newList });
+    }
+  }
+
+  async onChange(event, doMutation) {
+    const list = this.item.system.environnement;
+    const milieu = this.$getEventMilieu(event);
+    const updated = list.find(it => it.milieu == milieu);
+    if (updated) {
+      doMutation(updated);
+      const newList = [...list.filter(it => it.milieu != milieu), updated]
+        .sort(Misc.ascending(it => it.milieu));
+      await this.item.update({ 'system.environnement': newList });
+    }
+  }
+
+  $getEventMilieu(event) {
+    return this.html.find(event.currentTarget)?.parents("div.environnement-milieu").data("milieu");
+  }
+}
diff --git a/module/item-conteneur-sheet.js b/module/item/sheet-conteneur.js
similarity index 83%
rename from module/item-conteneur-sheet.js
rename to module/item/sheet-conteneur.js
index 744ba751..b5ff7855 100644
--- a/module/item-conteneur-sheet.js
+++ b/module/item/sheet-conteneur.js
@@ -1,9 +1,9 @@
-import { RdDBaseActorSheet } from "./actor/base-actor-sheet.js";
-import { RdDItemSheet } from "./item-sheet.js";
-import { RdDSheetUtility } from "./rdd-sheet-utility.js";
-import { RdDUtility } from "./rdd-utility.js";
+import { RdDBaseActorSheet } from "../actor/base-actor-sheet.js";
+import { RdDSheetUtility } from "../rdd-sheet-utility.js";
+import { RdDUtility } from "../rdd-utility.js";
+import { RdDItemInventaireSheet } from "./sheet-base-inventaire.js";
 
-export class RdDConteneurItemSheet extends RdDItemSheet {
+export class RdDConteneurItemSheet extends RdDItemInventaireSheet {
 
   static get ITEM_TYPE() { return "conteneur" };
 
diff --git a/module/item/sheet-faune.js b/module/item/sheet-faune.js
new file mode 100644
index 00000000..de22340c
--- /dev/null
+++ b/module/item/sheet-faune.js
@@ -0,0 +1,38 @@
+import { RdDItemInventaireSheet } from "./sheet-base-inventaire.js";
+
+export class RdDFauneItemSheet extends RdDItemInventaireSheet {
+
+  static get ITEM_TYPE() { return "faune" };
+
+  activateListeners(html) {
+    super.activateListeners(html);
+
+    if (!this.options.editable) return;
+
+    html.find("a.linked-actor-delete").click(event => this.onDeleteLinkedActor());
+  }
+
+  async _onDropActor(event, dragData) {
+    console.log('faune:dropActor', event, dragData)
+    const linkedActor = fromUuidSync(dragData.uuid);
+    if (linkedActor?.pack) {
+      this.item.update({
+        'system.actor.pack': linkedActor.pack,
+        'system.actor.id': linkedActor._id,
+        'system.actor.name': linkedActor.name
+      });
+    }
+    else {
+      ui.notifications.warn(`${linkedActor.name} ne provient pas d'un compendium.
+        <br>Choisissez une créature du compendium pour représenter un élément de faune générique`)
+    }
+  }
+  async onDeleteLinkedActor() {
+    this.item.update({
+      'system.actor.pack': '',
+      'system.actor.id': '',
+      'system.actor.name': ''
+    });
+  }
+
+}
diff --git a/module/item/sheet-herbe.js b/module/item/sheet-herbe.js
new file mode 100644
index 00000000..d4c412bb
--- /dev/null
+++ b/module/item/sheet-herbe.js
@@ -0,0 +1,6 @@
+import { RdDItemInventaireSheet } from "./sheet-base-inventaire.js";
+
+export class RdDHerbeItemSheet extends RdDItemInventaireSheet {
+
+  static get ITEM_TYPE() { return "herbe" };
+}
diff --git a/module/item/sheet-ingredient.js b/module/item/sheet-ingredient.js
new file mode 100644
index 00000000..0c39caac
--- /dev/null
+++ b/module/item/sheet-ingredient.js
@@ -0,0 +1,5 @@
+import { RdDItemInventaireSheet } from "./sheet-base-inventaire.js";
+
+export class RdDIngredientItemSheet extends RdDItemInventaireSheet {
+  static get ITEM_TYPE() { return "ingredient" };
+}
diff --git a/module/item/sheet-plante.js b/module/item/sheet-plante.js
new file mode 100644
index 00000000..2a6f10fa
--- /dev/null
+++ b/module/item/sheet-plante.js
@@ -0,0 +1,7 @@
+import { RdDItemInventaireSheet } from "./sheet-base-inventaire.js";
+
+export class RdDPlanteItemSheet extends RdDItemInventaireSheet {
+
+  static get ITEM_TYPE() { return "plante" };
+
+}
diff --git a/module/item-rencontre-sheet.js b/module/item/sheet-rencontre.js
similarity index 95%
rename from module/item-rencontre-sheet.js
rename to module/item/sheet-rencontre.js
index c134300d..79e7a663 100644
--- a/module/item-rencontre-sheet.js
+++ b/module/item/sheet-rencontre.js
@@ -1,5 +1,5 @@
-import { RdDRencontre } from "./item/item-rencontre.js";
-import { RdDItemSheet } from "./item-sheet.js";
+import { RdDRencontre } from "./rencontre.js";
+import { RdDItemSheet } from "../item-sheet.js";
 
 export class RdDRencontreItemSheet extends RdDItemSheet {
   
diff --git a/module/item-service-sheet.js b/module/item/sheet-service.js
similarity index 87%
rename from module/item-service-sheet.js
rename to module/item/sheet-service.js
index cd61de7e..a819247d 100644
--- a/module/item-service-sheet.js
+++ b/module/item/sheet-service.js
@@ -1,4 +1,4 @@
-import { RdDItemSheet } from "./item-sheet.js";
+import { RdDItemSheet } from "../item-sheet.js";
 
 export class RdDServiceItemSheet extends RdDItemSheet {
 
diff --git a/module/item-signedraconique-sheet.js b/module/item/sheet-signedraconique.js
similarity index 92%
rename from module/item-signedraconique-sheet.js
rename to module/item/sheet-signedraconique.js
index 6052079a..894c1227 100644
--- a/module/item-signedraconique-sheet.js
+++ b/module/item/sheet-signedraconique.js
@@ -1,6 +1,6 @@
-import { RdDItemSheet } from "./item-sheet.js";
-import { RdDItemSigneDraconique } from "./item/item-signedraconique.js";
-import { TMRUtility } from "./tmr-utility.js";
+import { RdDItemSheet } from "../item-sheet.js";
+import { RdDItemSigneDraconique } from "./signedraconique.js";
+import { TMRUtility } from "../tmr-utility.js";
 
 /**
  * Item sheet pour signes draconiques
diff --git a/module/item/item-signedraconique.js b/module/item/signedraconique.js
similarity index 100%
rename from module/item/item-signedraconique.js
rename to module/item/signedraconique.js
diff --git a/module/migrations.js b/module/migrations.js
index 45d9f84e..c5544ded 100644
--- a/module/migrations.js
+++ b/module/migrations.js
@@ -1,11 +1,10 @@
 import { RdDBaseActor } from "./actor/base-actor.js";
 import { LOG_HEAD, SYSTEM_RDD } from "./constants.js";
-import { Environnement } from "./environnement.js";
 import { Grammar } from "./grammar.js";
 import { Monnaie } from "./item-monnaie.js";
 import { RdDItem } from "./item.js";
 import { RdDTimestamp } from "./rdd-timestamp.js";
-import { RdDRaretes } from "./tirage/raretes.js";
+import { RdDRaretes } from "./item/raretes.js";
 
 class Migration {
   get code() { return "sample"; }
@@ -289,7 +288,7 @@ class _10_3_0_FrequenceEnvironnement extends Migration {
   }
 
   _updatesFrequences(it) {
-    const rarete = RdDRaretes.getRarete(it.system.rarete);
+    const rarete = RdDRaretes.getRareteByCode(it.system.rarete);
     return {
       _id: it.id,
       'system.rarete': undefined,
diff --git a/module/rdd-compendium-organiser.js b/module/rdd-compendium-organiser.js
index e8b11b4e..b0ddfa3d 100644
--- a/module/rdd-compendium-organiser.js
+++ b/module/rdd-compendium-organiser.js
@@ -1,8 +1,8 @@
 import { SYSTEM_RDD } from "./constants.js";
 
-export class RddCompendiumOrganiser {
+export class RdDCompendiumOrganiser {
   static init() {
-    Hooks.on('renderCompendium', async (pack, html, compendiumData) => RddCompendiumOrganiser.onRenderCompendium(pack, html, compendiumData))
+    Hooks.on('renderCompendium', async (pack, html, compendiumData) => RdDCompendiumOrganiser.onRenderCompendium(pack, html, compendiumData))
   }
 
   static async onRenderCompendium(compendium, html, compendiumData) {
@@ -10,14 +10,14 @@ export class RddCompendiumOrganiser {
     const pack = compendium.collection
     if (pack.metadata.system === SYSTEM_RDD) {
       html.find('.directory-item').each((i, element) => {
-        RddCompendiumOrganiser.setEntityTypeName(pack, element);
+        RdDCompendiumOrganiser.setEntityTypeName(pack, element);
       });
     }
   }
 
   static async setEntityTypeName(pack, element) {
-    const label = RddCompendiumOrganiser.getEntityTypeLabel(await pack.getDocument(element.dataset.documentId));
-    RddCompendiumOrganiser.insertEntityType(element, label);
+    const label = RdDCompendiumOrganiser.getEntityTypeLabel(await pack.getDocument(element.dataset.documentId));
+    RdDCompendiumOrganiser.insertEntityType(element, label);
   }
 
   static insertEntityType(element, label) {
diff --git a/module/rdd-main.js b/module/rdd-main.js
index 1a921ae5..1ca85977 100644
--- a/module/rdd-main.js
+++ b/module/rdd-main.js
@@ -1,16 +1,20 @@
 import { SYSTEM_RDD, SYSTEM_SOCKET_ID } from "./constants.js";
-import { RdDActor } from "./actor.js";
-import { RdDItem } from "./item.js";
+import { Migrations } from './migrations.js';
+
 import { RdDUtility } from "./rdd-utility.js";
 import { TMRUtility } from "./tmr-utility.js";
+import { TMRRencontres } from "./tmr-rencontres.js";
 import { RdDCalendrier } from "./rdd-calendrier.js";
+import { RdDTimestamp } from "./rdd-timestamp.js";
+import { DialogChronologie } from "./dialog-chronologie.js";
+
 import { RdDResolutionTable } from "./rdd-resolution-table.js";
 import { RdDTokenHud } from "./rdd-token-hud.js";
 import { RdDCommands } from "./rdd-commands.js";
 import { RdDCombatManager, RdDCombat } from "./rdd-combat.js";
 import { ChatUtility } from "./chat-utility.js";
 import { StatusEffects } from "./settings/status-effects.js";
-import { RddCompendiumOrganiser } from "./rdd-compendium-organiser.js";
+import { RdDCompendiumOrganiser } from "./rdd-compendium-organiser.js";
 import { ReglesOptionelles } from "./settings/regles-optionelles.js";
 import { RdDHotbar } from "./rdd-hotbar-drop.js"
 import { EffetsDraconiques } from "./tmr/effets-draconiques.js";
@@ -18,39 +22,39 @@ import { RdDHerbes } from "./rdd-herbes.js";
 import { RdDDice } from "./rdd-dice.js";
 import { RdDPossession } from "./rdd-possession.js";
 import { Misc } from "./misc.js";
-import { Migrations } from './migrations.js';
-import { DialogChronologie } from "./dialog-chronologie.js";
+
 import { SystemCompendiums } from "./settings/system-compendiums.js";
 import { Environnement } from "./environnement.js";
-import { RdDItemService } from "./item/item-service.js";
-import { RdDBaseActor } from "./actor/base-actor.js";
-import { RdDCommerceSheet } from "./actor/commerce-sheet.js";
-import { RdDCommerce } from "./actor/commerce.js";
-import { RdDTimestamp } from "./rdd-timestamp.js";
-import { RdDItemMaladie } from "./item/maladie.js";
-import { RdDItemPoison } from "./item/poison.js";
-import { RdDItemSigneDraconique } from "./item/item-signedraconique.js";
-import { RdDItemQueue } from "./item/queue.js";
-import { RdDItemOmbre } from "./item/ombre.js";
-import { RdDItemSouffle } from "./item/souffle.js";
-import { RdDRencontre } from "./item/item-rencontre.js";
 
+import { RdDActor } from "./actor.js";
+import { RdDBaseActor } from "./actor/base-actor.js";
+import { RdDCommerce } from "./actor/commerce.js";
 import { RdDActorSheet } from "./actor-sheet.js";
+import { RdDCommerceSheet } from "./actor/commerce-sheet.js";
 import { RdDActorCreatureSheet } from "./actor-creature-sheet.js";
 import { RdDActorVehiculeSheet } from "./actor-vehicule-sheet.js";
 import { RdDActorEntiteSheet } from "./actor-entite-sheet.js";
-import { RdDItemSheet } from "./item-sheet.js";
-import { RdDServiceItemSheet } from "./item-service-sheet.js";
-import { RdDHerbeItemSheet } from "./item-herbe-sheet.js";
-import { RdDRencontreItemSheet } from "./item-rencontre-sheet.js";
-import { RdDPlanteItemSheet } from "./item-plante-sheet.js";
-import { RdDIngredientItemSheet } from "./item-ingredient-sheet.js";
-import { RdDFauneItemSheet } from "./item-faune-sheet.js";
-import { RdDConteneurItemSheet } from "./item-conteneur-sheet.js";
-import { RdDSigneDraconiqueItemSheet } from "./item-signedraconique-sheet.js";
 
-import { TMRRencontres } from "./tmr-rencontres.js";
-import { FenetreRechercheTirage } from "./tirage/fenetre-recherche-tirage.js";
+import { RdDItem } from "./item.js";
+import { RdDItemService } from "./item/service.js";
+import { RdDItemMaladie } from "./item/maladie.js";
+import { RdDItemPoison } from "./item/poison.js";
+import { RdDItemSigneDraconique } from "./item/signedraconique.js";
+import { RdDItemQueue } from "./item/queue.js";
+import { RdDItemOmbre } from "./item/ombre.js";
+import { RdDItemSouffle } from "./item/souffle.js";
+import { RdDRencontre } from "./item/rencontre.js";
+
+import { RdDItemSheet } from "./item-sheet.js";
+import { RdDServiceItemSheet } from "./item/sheet-service.js";
+import { RdDRencontreItemSheet } from "./item/sheet-rencontre.js";
+import { RdDHerbeItemSheet } from "./item/sheet-herbe.js";
+import { RdDPlanteItemSheet } from "./item/sheet-plante.js";
+import { RdDIngredientItemSheet } from "./item/sheet-ingredient.js";
+import { RdDFauneItemSheet } from "./item/sheet-faune.js";
+import { RdDConteneurItemSheet } from "./item/sheet-conteneur.js";
+import { RdDSigneDraconiqueItemSheet } from "./item/sheet-signedraconique.js";
+import { RdDItemInventaireSheet } from "./item/sheet-base-inventaire.js";
 
 /**
  * RdD system
@@ -151,12 +155,16 @@ export class SystemReveDeDragon {
     RdDItemSheet.register(RdDIngredientItemSheet);
     RdDItemSheet.register(RdDServiceItemSheet);
 
+    Items.registerSheet(SYSTEM_RDD, RdDItemInventaireSheet, {
+      types: [
+        "objet", "arme", "armure", "livre", "potion", "munition",
+        "monnaie", "nourritureboisson", "gemme",
+      ], makeDefault: true
+    });
     Items.registerSheet(SYSTEM_RDD, RdDItemSheet, {
       types: [
         "competence", "competencecreature",
         "recettealchimique", "musique", "chant", "danse", "jeu", "recettecuisine", "oeuvre",
-        "objet", "arme", "armure", "livre", "potion", "munition",
-        "monnaie", "nourritureboisson", "gemme",
         "meditation", "queue", "ombre", "souffle", "tete", "casetmr", "sort", "sortreserve",
         "nombreastral", "tache", "maladie", "poison", "possession",
         "tarot", "extraitpoetique"
@@ -176,7 +184,7 @@ export class SystemReveDeDragon {
     RdDCombatManager.init();
     RdDTokenHud.init();
     RdDBaseActor.init();
-    RddCompendiumOrganiser.init();
+    RdDCompendiumOrganiser.init();
     EffetsDraconiques.init()
     TMRUtility.init();
     RdDHotbar.initDropbar();
diff --git a/module/rdd-tmr-dialog.js b/module/rdd-tmr-dialog.js
index 51120319..ac450e98 100644
--- a/module/rdd-tmr-dialog.js
+++ b/module/rdd-tmr-dialog.js
@@ -15,7 +15,7 @@ import { HtmlUtility } from "./html-utility.js";
 import { ReglesOptionelles } from "./settings/regles-optionelles.js";
 import { RdDDice } from "./rdd-dice.js";
 import { STATUSES } from "./settings/status-effects.js";
-import { RdDRencontre } from "./item/item-rencontre.js";
+import { RdDRencontre } from "./item/rencontre.js";
 import { RdDCalendrier } from "./rdd-calendrier.js";
 import { RdDTimestamp } from "./rdd-timestamp.js";
 
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index 97ae50fd..b62961df 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -8,15 +8,13 @@ import { DialogItemAchat } from "./dialog-item-achat.js";
 import { ReglesOptionelles } from "./settings/regles-optionelles.js";
 import { RdDDice } from "./rdd-dice.js";
 import { RdDItem } from "./item.js";
-import { Monnaie } from "./item-monnaie.js";
 import { RdDPossession } from "./rdd-possession.js";
 import { RdDNameGen } from "./rdd-namegen.js";
 import { RdDConfirm } from "./rdd-confirm.js";
-import { Environnement } from "./environnement.js";
 import { RdDItemCompetence } from "./item-competence.js";
 import { RdDResolutionTable } from "./rdd-resolution-table.js";
 import { RdDTimestamp } from "./rdd-timestamp.js";
-import { RdDRaretes } from "./tirage/raretes.js";
+import { RdDRaretes } from "./item/raretes.js";
 
 /* -------------------------------------------- */
 // This table starts at 0 -> niveau -10
diff --git a/module/settings/system-compendiums.js b/module/settings/system-compendiums.js
index b9bc9a80..7a1dc033 100644
--- a/module/settings/system-compendiums.js
+++ b/module/settings/system-compendiums.js
@@ -61,7 +61,7 @@ export class SystemCompendiums extends FormApplication {
 
   static async getPackContent(compendium, docType) {
     const pack = SystemCompendiums.getPack(compendium);
-    if (pack.metadata.type == docType) {
+    if (pack?.metadata.type == docType) {
       return await pack.getDocuments();
     }
     return [];
diff --git a/module/tirage/fenetre-recherche-tirage.js b/module/tirage/fenetre-recherche-tirage.js
index a614afe3..f3c6eeb7 100644
--- a/module/tirage/fenetre-recherche-tirage.js
+++ b/module/tirage/fenetre-recherche-tirage.js
@@ -2,7 +2,7 @@ import { RdDItem } from '../item.js';
 import { HtmlUtility } from '../html-utility.js';
 import { Misc } from "../misc.js";
 import { CompendiumTableHelpers } from '../settings/system-compendiums.js';
-import { RdDRaretes } from './raretes.js';
+import { RdDRaretes } from '../item/raretes.js';
 
 const FILTER_GROUPS = [
   { group: 'type', label: "Type d'objet" },
diff --git a/template.json b/template.json
index 681a54e3..2a49c793 100644
--- a/template.json
+++ b/template.json
@@ -584,9 +584,7 @@
         "encombrement": 0,
         "quantite": 1,
         "qualite": 0,
-        "cout": 0.0
-      },
-      "environnement": {
+        "cout": 0.0,
         "milieu": "",
         "environnement": []
       },
@@ -713,25 +711,25 @@
       "force": 0
     },
     "herbe": {
-      "templates": ["description", "inventaire", "environnement", "comestible"],
+      "templates": ["description", "inventaire", "comestible"],
       "niveau": 0,
       "base": 0,
       "categorie": ""
     },
     "plante": {
-      "templates": ["description", "inventaire", "environnement", "comestible"],
+      "templates": ["description", "inventaire", "comestible"],
       "niveau": 0,
       "base": 0,
       "categorie": ""
     },
     "ingredient": {
-      "templates": ["description", "inventaire", "environnement", "comestible"],
+      "templates": ["description", "inventaire", "comestible"],
       "niveau": 0,
       "base": 0,
       "categorie": ""
     },
     "faune": {
-      "templates": ["description", "inventaire", "environnement", "comestible"],
+      "templates": ["description", "inventaire", "comestible"],
       "categorie": "",
       "actor": {
         "id": "",
diff --git a/templates/item-arme-sheet.html b/templates/item-arme-sheet.html
index 8a52c2cd..2964af13 100644
--- a/templates/item-arme-sheet.html
+++ b/templates/item-arme-sheet.html
@@ -1,8 +1,11 @@
 <form class="{{cssClass}}" autocomplete="off">
-    {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-    
-    {{!-- Sheet Body --}}
-    <section class="sheet-body">
+  {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
+  <section class="sheet-body">
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
       <div class="form-group">
         <label for="system.competence">Compétence de mêlée</label>
         <select name="system.competence" id="competence" data-dtype="String">
@@ -46,7 +49,6 @@
           {{/select}}
         </select>
       </div>
-
       <div class="form-group">
         <label for="system.force">Force min. </label>
         <input class="attribute-value" type="text" name="system.force" value="{{system.force}}" data-dtype="String"/>
@@ -99,8 +101,9 @@
           {{/select}}
         </select>
       </div>
-
       {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
       {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
-    </section>
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
+  </section>
 </form>
diff --git a/templates/item-armure-sheet.html b/templates/item-armure-sheet.html
index d28247ed..17891173 100644
--- a/templates/item-armure-sheet.html
+++ b/templates/item-armure-sheet.html
@@ -1,21 +1,27 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    <div class="form-group">
-      <label for="system.protection">Protection</label>
-      <input class="attribute-value" type="text" name="system.protection" value="{{system.protection}}" data-dtype="String"/>
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+
+      <div class="form-group">
+        <label for="system.protection">Protection</label>
+        <input class="attribute-value" type="text" name="system.protection" value="{{system.protection}}" data-dtype="String"/>
+      </div>
+      <div class="form-group">
+        <label for="system.deterioration">Détérioration</label>
+        <input class="attribute-value" type="text" name="system.deterioration" value="{{system.deterioration}}" data-dtype="Number"/>
+      </div>
+      <div class="form-group">
+        <label for="system.malus">Malus Armure </label>
+        <input class="attribute-value" type="text" name="system.malus" value="{{system.malus}}" data-dtype="Number"/>
+      </div>
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
     </div>
-    <div class="form-group">
-      <label for="system.deterioration">Détérioration</label>
-      <input class="attribute-value" type="text" name="system.deterioration" value="{{system.deterioration}}" data-dtype="Number"/>
-    </div>
-    <div class="form-group">
-      <label for="system.malus">Malus Armure </label>
-      <input class="attribute-value" type="text" name="system.malus" value="{{system.malus}}" data-dtype="Number"/>
-    </div>
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
 </form>
diff --git a/templates/item-conteneur-sheet.html b/templates/item-conteneur-sheet.html
index 2ebb3a7f..033e6f38 100644
--- a/templates/item-conteneur-sheet.html
+++ b/templates/item-conteneur-sheet.html
@@ -1,28 +1,35 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
   {{!-- Sheet Body --}}
+
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    <div class="form-group">
-      <label for="xp">Capacite (points d'Enc.)</label>
-      <input class="attribute-value" type="text" name="system.capacite" value="{{system.capacite}}" data-dtype="Number"/>
-    </div>
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-
-    {{#if isOwned}}
-    <div class="flexcol">
-      <span><label>Contenu : </label></span>
-      <ul class="item-list alterne-list">
-        <li class="competence-header flexrow">
-          <span class="equipement-nom">Nom</span>
-          <span class="equipement-detail">Q.</span>
-          <span class="equipement-detail">Enc.</span>
-          <span class="equipement-actions">Actions</span>
-        </li>
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      <div class="form-group">
+        <label for="xp">Capacite (points d'Enc.)</label>
+        <input class="attribute-value" type="text" name="system.capacite" value="{{system.capacite}}" data-dtype="Number"/>
+      </div>
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      
+      {{#if isOwned}}
+      <div class="flexcol">
+        <span><label>Contenu : </label></span>
+        <ul class="item-list alterne-list">
+          <li class="competence-header flexrow">
+            <span class="equipement-nom">Nom</span>
+            <span class="equipement-detail">Q.</span>
+            <span class="equipement-detail">Enc.</span>
+            <span class="equipement-actions">Actions</span>
+          </li>
           {{buildContenu this}}
-      </ul>
+        </ul>
+      </div>
+      {{/if}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
     </div>
-    {{/if}}
-
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
 </form>
diff --git a/templates/item-gemme-sheet.html b/templates/item-gemme-sheet.html
index de1354f7..b13fc670 100644
--- a/templates/item-gemme-sheet.html
+++ b/templates/item-gemme-sheet.html
@@ -1,32 +1,38 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    <div class="form-group">
-      <label>Type</label>
-      <select name="system.type" id="type" data-dtype="String">
-        {{#select system.type}}
-        {{{gemmeTypeList}}}
-        {{/select}}
-      </select>
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      <div class="form-group">
+        <label>Type</label>
+        <select name="system.type" id="type" data-dtype="String">
+          {{#select system.type}}
+          {{{gemmeTypeList}}}
+          {{/select}}
+        </select>
+      </div>
+      <div class="form-group">
+        <label>Taille</label>
+        <input class="attribute-value" type="text" name="system.taille" value="{{system.taille}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label>Pureté</label>
+        <input class="attribute-value" type="text" name="system.purete" value="{{system.purete}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label>Inertie</label>
+        <input class="attribute-value" type="text" name="system.inertie" value="{{system.inertie}}" data-dtype="Number" disabled/>
+      </div>
+      <div class="form-group">
+        <label>Enchantabilité</label>
+        <input class="attribute-value" type="text" name="system.enchantabilite" value="{{system.enchantabilite}}" data-dtype="Number" disabled/>
+      </div>
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
     </div>
-    <div class="form-group">
-      <label>Taille</label>
-      <input class="attribute-value" type="text" name="system.taille" value="{{system.taille}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label>Pureté</label>
-      <input class="attribute-value" type="text" name="system.purete" value="{{system.purete}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label>Inertie</label>
-      <input class="attribute-value" type="text" name="system.inertie" value="{{system.inertie}}" data-dtype="Number" disabled/>
-    </div>
-    <div class="form-group">
-      <label>Enchantabilité</label>
-      <input class="attribute-value" type="text" name="system.enchantabilite" value="{{system.enchantabilite}}" data-dtype="Number" disabled/>
-    </div>
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
-</form>
\ No newline at end of file
+</form>
diff --git a/templates/item-livre-sheet.html b/templates/item-livre-sheet.html
index 4f76d548..10104aed 100644
--- a/templates/item-livre-sheet.html
+++ b/templates/item-livre-sheet.html
@@ -1,18 +1,22 @@
 <form class="{{cssClass}}" autocomplete="off">
-    <header class="sheet-header">
-        <img class="profile-img" src="{{img}}" data-edit="img" title="{{name}}"/>
-        <div class="header-fields">
-            <h1 class="charname"><input name="name" type="text" value="{{name}}" placeholder="Name"/></h1>
-            {{#if isOwned}}
-            <div class="form-group">
-              <span for="xp"><a class="creer-tache-livre chat-card-button" data-actor-id="{{actorId}}">Créer une tâche de lecture</a></span>
-            </div>
-            {{/if}}      
-        </div>
-    </header>
-    
-    {{!-- Sheet Body --}}
-    <section class="sheet-body">
+  <header class="sheet-header">
+      <img class="profile-img" src="{{img}}" data-edit="img" title="{{name}}"/>
+      <div class="header-fields">
+          <h1 class="charname"><input name="name" type="text" value="{{name}}" placeholder="Name"/></h1>
+          {{#if isOwned}}
+          <div class="form-group">
+            <span for="xp"><a class="creer-tache-livre chat-card-button" data-actor-id="{{actorId}}">Créer une tâche de lecture</a></span>
+          </div>
+          {{/if}}      
+      </div>
+  </header>
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
+  <section class="sheet-body">
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+
       <div class="form-group">
         <label for="xp">Auteur</label>
         <input class="attribute-value" type="text" name="system.auteur" value="{{system.auteur}}" data-dtype="String"/>
@@ -48,5 +52,7 @@
 
       {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
       {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
-    </section>
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
+  </section>
 </form>
diff --git a/templates/item-monnaie-sheet.html b/templates/item-monnaie-sheet.html
index 4cd9d4d9..21e9922e 100644
--- a/templates/item-monnaie-sheet.html
+++ b/templates/item-monnaie-sheet.html
@@ -1,7 +1,14 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
 </form>
diff --git a/templates/item-munition-sheet.html b/templates/item-munition-sheet.html
index 1ecaee62..ef48cb9f 100644
--- a/templates/item-munition-sheet.html
+++ b/templates/item-munition-sheet.html
@@ -1,8 +1,14 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
-</form>
+</form>
\ No newline at end of file
diff --git a/templates/item-nourritureboisson-sheet.html b/templates/item-nourritureboisson-sheet.html
index 29dd9aba..60ed852b 100644
--- a/templates/item-nourritureboisson-sheet.html
+++ b/templates/item-nourritureboisson-sheet.html
@@ -1,36 +1,42 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    <div class="form-group">
-      <label for="system.sust">Sustentation</label>
-      <input class="attribute-value" type="text" name="system.sust" value="{{system.sust}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label for="system.boisson">Boisson</label>
-      <input class="attribute-value" type="checkbox" name="system.boisson" {{#if system.boisson}}checked{{/if}} />
-    </div>
-    {{#if system.boisson}}
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
       <div class="form-group">
-        <label for="system.desaltere">Désaltère de</label>
-        <input class="attribute-value" type="text" name="system.desaltere" value="{{system.desaltere}}" data-dtype="Number" />
+        <label for="system.sust">Sustentation</label>
+        <input class="attribute-value" type="text" name="system.sust" value="{{system.sust}}" data-dtype="Number" />
       </div>
       <div class="form-group">
-        <label for="system.alcoolise">Alcoolisée</label>
-        <input class="attribute-value" type="checkbox" name="system.alcoolise" {{#if system.alcoolise}}checked{{/if}} />
-      </div>
-      {{#if system.alcoolise}}
-      <div class="form-group">
-        <label>Force de l'alcool par dose</label>
-        <input class="attribute-value" type="text" name="system.force" value="{{system.force}}" data-dtype="Number" />
+        <label for="system.boisson">Boisson</label>
+        <input class="attribute-value" type="checkbox" name="system.boisson" {{#if system.boisson}}checked{{/if}} />
       </div>
+      {{#if system.boisson}}
+        <div class="form-group">
+          <label for="system.desaltere">Désaltère de</label>
+          <input class="attribute-value" type="text" name="system.desaltere" value="{{system.desaltere}}" data-dtype="Number" />
+        </div>
+        <div class="form-group">
+          <label for="system.alcoolise">Alcoolisée</label>
+          <input class="attribute-value" type="checkbox" name="system.alcoolise" {{#if system.alcoolise}}checked{{/if}} />
+        </div>
+        {{#if system.alcoolise}}
+        <div class="form-group">
+          <label>Force de l'alcool par dose</label>
+          <input class="attribute-value" type="text" name="system.force" value="{{system.force}}" data-dtype="Number" />
+        </div>
+        {{/if}}
       {{/if}}
-    {{/if}}
-    <div class="form-group">
-      <label for="system.exotisme">Exotisme</label>
-      <input class="attribute-value" type="text" name="system.exotisme" value="{{system.exotisme}}" data-dtype="Number" />
+      <div class="form-group">
+        <label for="system.exotisme">Exotisme</label>
+        <input class="attribute-value" type="text" name="system.exotisme" value="{{system.exotisme}}" data-dtype="Number" />
+      </div>
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
     </div>
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
 </form>
\ No newline at end of file
diff --git a/templates/item-objet-sheet.html b/templates/item-objet-sheet.html
index bc4fe13e..21e9922e 100644
--- a/templates/item-objet-sheet.html
+++ b/templates/item-objet-sheet.html
@@ -1,8 +1,14 @@
 <form class="{{cssClass}}" autocomplete="off">
   {{>"systems/foundryvtt-reve-de-dragon/templates/header-item.html"}}
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
-    </section>
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
+  </section>
 </form>
diff --git a/templates/item-potion-sheet.html b/templates/item-potion-sheet.html
index b7a91d56..47459b25 100644
--- a/templates/item-potion-sheet.html
+++ b/templates/item-potion-sheet.html
@@ -11,91 +11,97 @@
     </div>
   </header>
 
-  {{!-- Sheet Body --}}
+  <nav class="sheet-tabs tabs" data-group="primary">
+    <a class="item" data-tab="informations">Informations</a>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-tab-environnement.html"}}
+  </nav>
   <section class="sheet-body">
-    <div class="form-group">
-      <label>Fréquence</label>
-      <select name="system.rarete" class="rarete" data-dtype="String">
-        {{#select system.rarete}}
-        <option value=""></option>
-        {{>"systems/foundryvtt-reve-de-dragon/templates/enum-rarete.html"}}
-        {{/select}}
-      </select>
-    </div>
-    <div class="form-group">
-      <label>Catégorie</label>
-      <select name="system.categorie" class="categoriepotion" data-dtype="String">
-        {{#select system.categorie}}
-        {{>"systems/foundryvtt-reve-de-dragon/templates/enum-categorie-potion.html"}}
-        {{/select}}
-      </select>
-    </div>
-    {{#if isSoins}}
-    <div class="form-group">
-      <label>Herbe</label>
-      <select name="system.herbe" class="herbe" data-dtype="String">
-        {{selectOptions herbesSoins selected=system.herbe localize=false}}
-      </select>
-    </div>
-    <div class="form-group">
-      <label>Nombre de brins</label>
-      <input class="attribute-value" type="text" name="system.herbebrins" value="{{system.herbebrins}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label>Bonus</label>
-      <input class="attribute-value" type="text" name="system.herbebonus" value="{{system.herbebonus}}" data-dtype="Number" />
-    </div>
-    {{/if}}
-    {{#if isRepos}}
-    <div class="form-group">
-      <label>Herbe</label>
-      <select name="system.herbe" class="herbe" data-dtype="String">
-        {{selectOptions herbesRepos selected=system.herbe localize=false}}
-      </select>
-    </div>
-    <div class="form-group">
-      <label>Nombre de brins</label>
-      <input class="attribute-value" type="text" name="system.herbebrins" value="{{system.herbebrins}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label>Bonus</label>
-      <input class="attribute-value" type="text" name="system.herbebonus" value="{{system.herbebonus}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label>Repos Alchimique ?</label>
-      <input class="attribute-value" type="checkbox" name="system.reposalchimique"  {{#if system.reposalchimique}}checked{{/if}}/>
-    </div>
-    {{/if}}
-    {{#if system.magique}}
-    <div class="form-group">
-      <label>Points de rêve</label>
-      <input class="attribute-value" type="text" name="system.pr" value="{{system.pr}}" data-dtype="Number" />
-    </div>
-    <div class="form-group">
-      <label for="xp">Permanente ? </label>
-      <input class="attribute-value" type="checkbox" name="system.prpermanent"  {{#if system.prpermanent}}checked{{/if}}/>
-    </div>
-    {{#if isSoins}}
-    <div class="form-group">
-      <label for="xp">Points de guérison </label>
-      <label for="xp">{{pointsGuerison}}</label>
-    </div>
-    {{/if}}
-    <div class="form-group">
-      <label>Date de l'Enchantement : Jour/Mois (date actuelle : {{dateActuelle}})</label>
-    </div>
-    <div class="form-group">
-      <input type="number" name="enchantement.jour" class="date-enchantement" value="{{enchantement.jour}}" data-dtype="Number" min="1" max="28"/>
-      <select name="enchantement.mois" class="date-enchantement" data-dtype="String">
-        {{#select enchantement.mois}}
-        {{>"systems/foundryvtt-reve-de-dragon/templates/enum-heures.html"}}
-        {{/select}}
-      </select>
-    </div>
-    {{/if}}
+    <div class="tab items flexcol" data-group="primary" data-tab="informations">
+      <div class="form-group">
+        <label>Fréquence</label>
+        <select name="system.rarete" class="rarete" data-dtype="String">
+          {{#select system.rarete}}
+          <option value=""></option>
+          {{>"systems/foundryvtt-reve-de-dragon/templates/enum-rarete.html"}}
+          {{/select}}
+        </select>
+      </div>
+      <div class="form-group">
+        <label>Catégorie</label>
+        <select name="system.categorie" class="categoriepotion" data-dtype="String">
+          {{#select system.categorie}}
+          {{>"systems/foundryvtt-reve-de-dragon/templates/enum-categorie-potion.html"}}
+          {{/select}}
+        </select>
+      </div>
+      {{#if isSoins}}
+      <div class="form-group">
+        <label>Herbe</label>
+        <select name="system.herbe" class="herbe" data-dtype="String">
+          {{selectOptions herbesSoins selected=system.herbe localize=false}}
+        </select>
+      </div>
+      <div class="form-group">
+        <label>Nombre de brins</label>
+        <input class="attribute-value" type="text" name="system.herbebrins" value="{{system.herbebrins}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label>Bonus</label>
+        <input class="attribute-value" type="text" name="system.herbebonus" value="{{system.herbebonus}}" data-dtype="Number" />
+      </div>
+      {{/if}}
+      {{#if isRepos}}
+      <div class="form-group">
+        <label>Herbe</label>
+        <select name="system.herbe" class="herbe" data-dtype="String">
+          {{selectOptions herbesRepos selected=system.herbe localize=false}}
+        </select>
+      </div>
+      <div class="form-group">
+        <label>Nombre de brins</label>
+        <input class="attribute-value" type="text" name="system.herbebrins" value="{{system.herbebrins}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label>Bonus</label>
+        <input class="attribute-value" type="text" name="system.herbebonus" value="{{system.herbebonus}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label>Repos Alchimique ?</label>
+        <input class="attribute-value" type="checkbox" name="system.reposalchimique"  {{#if system.reposalchimique}}checked{{/if}}/>
+      </div>
+      {{/if}}
+      {{#if system.magique}}
+      <div class="form-group">
+        <label>Points de rêve</label>
+        <input class="attribute-value" type="text" name="system.pr" value="{{system.pr}}" data-dtype="Number" />
+      </div>
+      <div class="form-group">
+        <label for="xp">Permanente ? </label>
+        <input class="attribute-value" type="checkbox" name="system.prpermanent"  {{#if system.prpermanent}}checked{{/if}}/>
+      </div>
+      {{#if isSoins}}
+      <div class="form-group">
+        <label for="xp">Points de guérison </label>
+        <label for="xp">{{pointsGuerison}}</label>
+      </div>
+      {{/if}}
+      <div class="form-group">
+        <label>Date de l'Enchantement : Jour/Mois (date actuelle : {{dateActuelle}})</label>
+      </div>
+      <div class="form-group">
+        <input type="number" name="enchantement.jour" class="date-enchantement" value="{{enchantement.jour}}" data-dtype="Number" min="1" max="28"/>
+        <select name="enchantement.mois" class="date-enchantement" data-dtype="String">
+          {{#select enchantement.mois}}
+          {{>"systems/foundryvtt-reve-de-dragon/templates/enum-heures.html"}}
+          {{/select}}
+        </select>
+      </div>
+      {{/if}}
 
-    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
-    {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-inventaire.html"}}
+      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
+    </div>
+    {{>"systems/foundryvtt-reve-de-dragon/templates/item/partial-environnement.html"}}
   </section>
 
 </form>
\ No newline at end of file
diff --git a/templates/item/partial-environnement.html b/templates/item/partial-environnement.html
index a84f5eca..0db889e0 100644
--- a/templates/item/partial-environnement.html
+++ b/templates/item/partial-environnement.html
@@ -1,3 +1,4 @@
+{{#unless isOwned}}
 {{>'systems/foundryvtt-reve-de-dragon/templates/scripts/autocomplete-script.hbs'}}
 <div class="tab items" data-group="primary" data-tab="environnement">
   <div class="form-group description-milieu">
@@ -34,4 +35,5 @@
     </span>
   </div>
   {{/each}}
-</div>
\ No newline at end of file
+</div>
+{{/unless}}
\ No newline at end of file
diff --git a/templates/item/partial-tab-environnement.html b/templates/item/partial-tab-environnement.html
index 4154ef58..ddabe1b0 100644
--- a/templates/item/partial-tab-environnement.html
+++ b/templates/item/partial-tab-environnement.html
@@ -1 +1,3 @@
+{{#unless isOwned}}
 <a class="item" data-tab="environnement">Environnement</a>
+{{/unless}}
\ No newline at end of file