diff --git a/module/item-signedraconique-sheet.js b/module/item-signedraconique-sheet.js
new file mode 100644
index 00000000..b597264d
--- /dev/null
+++ b/module/item-signedraconique-sheet.js
@@ -0,0 +1,110 @@
+import { Misc } from "./misc.js";
+import { TMRType } from "./tmr-utility.js";
+
+/**
+ * Item sheet pour signes draconiques
+ * @extends {ItemSheet}
+ */
+export class RdDSigneDraconiqueItemSheet extends ItemSheet {
+
+  /** @override */
+  static get defaultOptions() {
+    return mergeObject(super.defaultOptions, {
+      classes: ["foundryvtt-reve-de-dragon", "sheet", "item"],
+      template: "systems/foundryvtt-reve-de-dragon/templates/item-signedraconique-sheet.html",
+      width: 550,
+      height: 550
+    });
+  }
+
+  /* -------------------------------------------- */
+  _getHeaderButtons() {
+    let buttons = super._getHeaderButtons();
+    buttons.unshift({ class: "post", icon: "fas fa-comment", onclick: ev => this.item.postItem() });
+    return buttons;
+  }
+
+  /* -------------------------------------------- */
+  /** @override */
+  setPosition(options = {}) {
+    const position = super.setPosition(options);
+    const sheetHeader = this.element.find(".sheet-header");
+    const sheetBody = this.element.find(".sheet-body");
+    const bodyHeight = position.height - sheetHeader[0].clientHeight;
+    sheetBody.css("height", bodyHeight);
+    return position;
+  }
+
+
+  /* -------------------------------------------- */
+  async getData() {
+    const formData = duplicate(Misc.data(this.object));
+    mergeObject(formData, {
+      title: formData.name,
+      isGM: game.user.isGM,
+      owner: this.document.isOwner,
+      isOwned: this.actor ? true : false,
+      actorId: this.actor?.id,
+      editable: this.isEditable,
+      cssClass: this.isEditable ? "editable" : "locked",
+    });
+    formData.tmrs = RdDSigneDraconiqueItemSheet.listTMRTypes(formData.data.typesTMR ?? []);
+    return formData;
+  }
+
+  static listTMRTypes(typesTMR) {
+    return Object.values(TMRType).map(value => Misc.upperFirst(value.name))
+      .sort()
+      .map(name => { return { name: name, selected: typesTMR.includes(name) } });
+  }
+
+  /* -------------------------------------------- */
+  /** @override */
+  activateListeners(html) {
+    super.activateListeners(html);
+
+    if (!this.options.editable) return;
+
+    html.find(".select-tmr").change((event) => this.onSelectTmr(event));
+    html.find(".valeur-xp-sort").change((event) => this.onValeurXpSort(event.currentTarget.attributes['data-typereussite']?.value, Number(event.currentTarget.value)));
+  }
+
+  async onSelectTmr(event) {
+    event.preventDefault();
+    const selectedTMR = $(".select-tmr").val();
+    this.object.update({ 'data.typesTMR': selectedTMR });
+  }
+
+  async onValeurXpSort(qualite, valeur) {
+    let tplData = Misc.templateData(this.object);
+    if (valeur != tplData.valeur[qualite])
+    {
+      await this.object.update({ [`data.valeur.${qualite}`]: valeur });
+  
+      tplData = Misc.templateData(this.object);
+      switch (qualite) {
+        case "norm":
+          if (valeur > tplData.valeur.sign) await this.object.update({ 'data.valeur.sign': valeur });
+          if (valeur > tplData.valeur.part) await this.object.update({ 'data.valeur.part': valeur });
+          break;
+        case "sign":
+          if (valeur < tplData.valeur.norm) await this.object.update({ 'data.valeur.norm': valeur });
+          if (valeur > tplData.valeur.part) await this.object.update({ 'data.valeur.part': valeur });
+          break;
+        case "part":
+          if (valeur < tplData.valeur.norm) await this.object.update({ 'data.valeur.norm': valeur });
+          if (valeur < tplData.valeur.sign) await this.object.update({ 'data.valeur.sign': valeur });
+          break;
+      }
+    } 
+  }
+
+  /* -------------------------------------------- */
+  get template() {
+    return `systems/foundryvtt-reve-de-dragon/templates/item-signedraconique-sheet.html`;
+  }
+
+  get title() {
+    return `Signe draconique: ${this.object.name}`;
+  }
+}
diff --git a/module/item-signedraconique.js b/module/item-signedraconique.js
new file mode 100644
index 00000000..b2cad95c
--- /dev/null
+++ b/module/item-signedraconique.js
@@ -0,0 +1,37 @@
+import { Misc } from "./misc.js";
+
+export class RdDItemSigneDraconique {
+
+  static prepareSigneDraconiqueMeditation(meditation, rolled) {
+    if (rolled.isSuccess != undefined) {
+      meditation = Misc.data(meditation);
+      return {
+        name: "de la " + meditation.name,
+        type: "signedraconique",
+        img: meditation.img,
+        data: {
+          "typesTMR": [Misc.upperFirst(meditation.data.tmr)],
+          "difficulte": RdDItemSigneDraconique.getDiffSigneMeditation(rolled.code),
+          "ephemere": true,
+          "duree": "1 round",
+          "valeur": { "norm": 3, "sign": 5, "part": 10 }
+        }
+      };
+    }
+    return undefined;
+  }
+
+  static getDiffSigneMeditation(code) {
+    switch (code) {
+      case "norm": return -7;
+      case "sign": return -3;
+      case "part": return 0;
+    }
+    return undefined;
+  }
+
+  static getXpSortSigneDraconique(code, signe) {
+    return Misc.data(signe).data.valeur[code] ?? 0;
+  }
+
+}
\ No newline at end of file
diff --git a/module/rdd-main.js b/module/rdd-main.js
index e7136f9c..d96303cc 100644
--- a/module/rdd-main.js
+++ b/module/rdd-main.js
@@ -31,6 +31,7 @@ import { EffetsDraconiques } from "./tmr/effets-draconiques.js";
 import { RdDHerbes } from "./rdd-herbes.js";
 import { RdDItem } from "./item.js";
 import { RdDDice } from "./rdd-dice.js";
+import { RdDSigneDraconiqueItemSheet } from "./item-signedraconique-sheet.js";
 
 /* -------------------------------------------- */
 /*  Foundry VTT Initialization                  */
@@ -167,6 +168,11 @@ Hooks.once("init", async function () {
   Actors.registerSheet("foundryvtt-reve-de-dragon", RdDActorVehiculeSheet, { types: ["vehicule"], makeDefault: true });
   Actors.registerSheet("foundryvtt-reve-de-dragon", RdDActorEntiteSheet, { types: ["entite"], makeDefault: true });
   Items.unregisterSheet("core", ItemSheet);
+  Items.registerSheet("foundryvtt-reve-de-dragon", RdDSigneDraconiqueItemSheet, {
+    label: "Signe draconique",
+    types: ["signedraconique"],
+    makeDefault: true
+  });
   Items.registerSheet("foundryvtt-reve-de-dragon", RdDItemSheet, { makeDefault: true });
   CONFIG.Combat.documentClass = RdDCombatManager;
 
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index bdd25d71..a39c7135 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -140,6 +140,7 @@ export class RdDUtility {
       'systems/foundryvtt-reve-de-dragon/templates/item-monnaie-sheet.html',
       'systems/foundryvtt-reve-de-dragon/templates/item-meditation-sheet.html',
       'systems/foundryvtt-reve-de-dragon/templates/item-nourritureboisson-sheet.html',
+      'systems/foundryvtt-reve-de-dragon/templates/item-signedraconique-sheet.html',
       'systems/foundryvtt-reve-de-dragon/templates/competence-carac-defaut.html',
       'systems/foundryvtt-reve-de-dragon/templates/competence-base.html',
       'systems/foundryvtt-reve-de-dragon/templates/enum-aspect-tarot.html',
@@ -271,6 +272,7 @@ export class RdDUtility {
     formData.munitions = this.checkNull(formData.itemsByType['munition']);
     formData.herbes = this.checkNull(formData.itemsByType['herbe']);
     formData.sorts = this.checkNull(formData.itemsByType['sort']);
+    formData.signesdraconiques = this.checkNull(formData.itemsByType['signedraconique']);
     formData.queues = this.checkNull(formData.itemsByType['queue']);
     formData.souffles = this.checkNull(formData.itemsByType['souffle']);
     formData.ombres = this.checkNull(formData.itemsByType['ombre']);
diff --git a/template.json b/template.json
index 6a610cc9..a18b5589 100644
--- a/template.json
+++ b/template.json
@@ -577,7 +577,7 @@
 "Item": {
   "types": ["objet", "arme", "armure", "conteneur", "competence", "sort", "herbe", "ingredient", "livre", "potion", "munition", "rencontresTMR", "queue", "ombre", "souffle", 
             "tete", "competencecreature", "tarot", "monnaie", "nombreastral", "tache", "meditation", "casetmr", "recettealchimique", 
-            "musique", "chant", "danse", "jeu", "recettecuisine", "maladie", "poison", "oeuvre", "nourritureboisson" ],
+            "musique", "chant", "danse", "jeu", "recettecuisine", "maladie", "poison", "oeuvre", "nourritureboisson", "signedraconique" ],
   "objet": {
     "description": "",
     "quantite": 1,
@@ -868,6 +868,18 @@
     "encombrement": 0,
     "quantite": 1,
     "cout": 0
+  },
+  "signedraconique": {
+    "typesTMR": [],
+    "ephemere": true,
+    "duree": "1 round",
+    "difficulte": 0,
+    "valeur": {
+      "norm": 3,
+      "sign": 5,
+      "part": 10
+    },
+    "description": ""
   }
 }
 }
diff --git a/templates/actor-sheet.html b/templates/actor-sheet.html
index 069e0eac..35825de3 100644
--- a/templates/actor-sheet.html
+++ b/templates/actor-sheet.html
@@ -432,6 +432,20 @@
       </div>
       <hr>
       {{#if data.attributs.hautrevant.value}}
+        {{#if options.isGM}}
+        <h3>Signes draconiques</h3>
+        <ul class="item-list alterne-list">
+          {{#each signesdraconiques as |signe key|}}
+          <li class="item list-item flexrow" data-item-id="{{signe._id}}" data-attribute="{{key}}">
+            <span class="display-label flex-grow"> <a data-item-id="{{signe._id}}">{{signe.name}}</a></span> 
+            <span class="flex-shrink">{{signe.data.difficulte}}</span>
+            <div class="item-controls flex-shrink">
+              <a class="item-control item-delete" title="Supprimer"><i class="fas fa-trash"></i></a>
+            </div>
+          </li>
+          {{/each}}
+        </ul>
+        {{/if}}
         <h3>Sorts:</h3>
         <ul class="item-list alterne-list">
           {{#each sorts as |sort key|}}
diff --git a/templates/item-signedraconique-sheet.html b/templates/item-signedraconique-sheet.html
new file mode 100644
index 00000000..dbcf1050
--- /dev/null
+++ b/templates/item-signedraconique-sheet.html
@@ -0,0 +1,55 @@
+<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>
+    </div>
+  </header>
+
+  {{!-- Sheet Body --}}
+  <section class="sheet-body">
+    <div class="form-group">
+      <label for="data.ephemere">Ephémère</label>
+      <input class="attribute-value" type="checkbox" name="data.ephemere" {{#if data.ephemere}}checked{{/if}} />
+    </div>
+    {{#if data.ephemere}}
+    <div class="form-group">
+      <label for="data.duree">Durée</label>
+      <input class="attribute-value" type="text" name="data.duree" value="{{data.duree}}" data-dtype="String" />
+    </div>
+    {{/if}}
+    <div class="form-group">
+      <label for="data.difficulte">Difficulte</label>
+      <input class="attribute-value" type="text" name="data.difficulte" value="{{data.difficulte}}"
+        data-dtype="Number" />
+    </div>
+    <div class="form-group">
+      <label for="data.valeur.norm">Expérience en sorts</label>
+      <div class="flexrow">
+        <input class="valeur-xp-sort" type="number" name="data.valeur.norm" data-typereussite="norm" value="{{data.valeur.norm}}"
+          min="1" max="100" data-dtype="Number" />
+        <span>Sign.</span>
+        <input class="valeur-xp-sort" type="number" name="data.valeur.sign" data-typereussite="sign" value="{{data.valeur.sign}}"
+          min="1" max="100" data-dtype="Number" />
+        <span>Part.</span>
+        <input class="valeur-xp-sort" type="number" name="data.valeur.part" data-typereussite="part" value="{{data.valeur.part}}"
+          min="1" max="100" data-dtype="Number" />
+      </div>
+    </div>
+    <div class="form-group">
+      <label for="tmrs">Terres médianes</label>
+      <select class="select-tmr attribute-value" name="tmrs" id="tmrs" size={{tmrs.length}} multiple />
+      {{#each tmrs as |tmr key|}}
+      <option class="option-tmr" value="{{tmr.name}}" {{#if tmr.selected}}selected{{/if}}>{{tmr.name}}</option>
+      {{/each}}
+      </select>
+    </div>
+    <div class="flexcol">
+      <span><label>Description : </label></span>
+      <div class="form-group editor">
+        {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
+      </div>
+    </div>
+  </section>
+
+</form>
\ No newline at end of file