diff --git a/module/actor-sheet.js b/module/actor-sheet.js
index 075cbbd6..e7684b78 100644
--- a/module/actor-sheet.js
+++ b/module/actor-sheet.js
@@ -258,6 +258,10 @@ export class RdDActorSheet extends ActorSheet {
       this.actor.rollCarac( 'chance-actuel' );
     });
 
+    html.find('#chance-appel').click((event) => {
+      this.actor.appelChance();
+    });
+
     // Roll Skill
     html.find('.competence-label a').click((event) => {
       let compName = event.currentTarget.text;
diff --git a/module/actor.js b/module/actor.js
index 02f0c1c9..ef417a35 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -6,6 +6,7 @@
 import { RdDUtility } from "./rdd-utility.js";
 import { TMRUtility } from "./tmr-utility.js";
 import { RdDRollDialog } from "./rdd-roll-dialog.js";
+import { RdDRoll } from "./rdd-roll.js";
 import { RdDTMRDialog } from "./rdd-tmr-dialog.js";
 import { Misc } from "./misc.js";
 
@@ -107,6 +108,10 @@ export class RdDActor extends Actor {
     return this.data.data.reve.reve.value;
   }
 
+  getChanceActuel() {
+    return this.data.data.compteurs.chance.value;
+  }
+
   /* -------------------------------------------- */
   getBestDraconic() {
     const list = this.getDraconicList().sort((a, b) =>  b.data.niveau - a.data.niveau);
@@ -1004,7 +1009,7 @@ export class RdDActor extends Actor {
   }
   
   /* -------------------------------------------- */  
-  async reveActuelIncDec( value ) {    
+  async reveActuelIncDec( value ) {
     let reve = duplicate(this.data.data.reve.reve);
     reve.value = Math.max(reve.value + value, 0);
     await this.update( {"data.reve.reve": reve } );
@@ -1294,6 +1299,52 @@ export class RdDActor extends Actor {
     new RdDRollDialog("carac", html, rollData, this ).render(true);
   }
 
+  async appelChance( )
+  {
+    let rollData = { 
+      selectedCarac: this.getCaracByName('chance-actuelle'),
+      diffConditions: this.ajustementAstrologique()
+    }
+    
+    const dialog = await RdDRoll.create(
+      'systems/foundryvtt-reve-de-dragon/templates/dialog-roll-carac.html',
+      this,
+      rollData,
+      {
+        name: 'appelChance',
+        label: 'Appel à la chance',
+        callbacks: [
+          { action: rollData => this._appelChanceResultat(rollData) }
+        ]
+      }
+    );
+    dialog.render(true);
+  }
+
+  _appelChanceResultat(rollData) {
+    const message = {
+      user: game.user._id,
+      alias: this.name,
+      content: this.name + " fait appel à la chance" + RdDResolutionTable.explain(rollData.rolled)
+    };
+    if (rollData.rolled.isSuccess) {
+      message.content += "<br>Dépense d'un point de chance, l'action peut être retentée"
+      this.chanceActuelleIncDec(-1)
+    }
+    ChatMessage.create(message);
+  }
+
+  async chanceActuelleIncDec(value) {
+    let chance = duplicate(this.data.data.compteurs.chance);
+    chance.value = Math.max(chance.value + value, 0);
+    await this.update( {"data.compteurs.chance": chance } );
+  }
+
+  ajustementAstrologique() {
+    //TODO: selon heure et heure de naissance...
+    return 0;
+  }
+
   getCaracByName(caracName) {
     switch (caracName)
     {
diff --git a/module/rdd-resolution-table.js b/module/rdd-resolution-table.js
index 4add9f4c..13ec0e76 100644
--- a/module/rdd-resolution-table.js
+++ b/module/rdd-resolution-table.js
@@ -97,6 +97,11 @@ export class RdDResolutionTable {
     }
   }
 
+  static async rollData(rollData ) {
+    rollData.rolled = await this.roll(rollData.caracValue, rollData.finalLevel, rollData.bonus);
+    return rollData;
+  }
+  
   /* -------------------------------------------- */
   static async roll(caracValue, finalLevel, bonus = 0 ) {
     let chances = this.computeChances(caracValue, finalLevel);
diff --git a/module/rdd-roll.js b/module/rdd-roll.js
new file mode 100644
index 00000000..0766b793
--- /dev/null
+++ b/module/rdd-roll.js
@@ -0,0 +1,230 @@
+import { HtmlUtility } from "./html-utility.js";
+import { RdDItemSort } from "./item-sort.js";
+import { Misc } from "./misc.js";
+import { RdDResolutionTable } from "./rdd-resolution-table.js";
+
+/**
+ * Extend the base Dialog entity to select roll parameters
+ * @extends {Dialog}
+ */
+
+export class RdDRoll extends Dialog {
+
+  static async create(htmlTemplate, actor, rollData, ...actions) {
+    RdDRoll._ensureCorrectActions(actions);
+
+    RdDRoll._setDefaultOptions(actor, rollData);
+
+    const html = await renderTemplate(htmlTemplate, rollData);
+
+    return new RdDRoll(actor, rollData, html, {
+      classes: ["rdddialog"],
+      width: 600, height: 500, 'z-index': 99999
+    }, actions);
+  }
+
+  static _setDefaultOptions(actor, rollData) {
+    
+    mergeObject(rollData, 
+      {
+        ajustementsConditions: CONFIG.RDD.ajustementsConditions,
+        difficultesLibres: CONFIG.RDD.difficultesLibres,
+        etat: actor.data.data.compteurs.etat.value,
+        finalLevel: 0,
+        diffConditions: 0,
+        diffLibre: 0,
+        malusArmureValue: 0,
+        surencMalusFlag: actor.data.data.attributs ? actor.data.data.attributs.malusarmure.value : 0,
+        surencMalusValue: actor.data.data.compteurs.surenc.value,
+        surencMalusApply: false,
+        isNatation: false,
+        useEncForNatation: false
+      },
+      { overwrite: false });
+  }
+
+  static _ensureCorrectActions(actions) {
+    if (actions.length==0) {
+      throw 'No action defined';
+    }
+    actions.forEach(action => {
+      if (action.callbacks == undefined) {
+        action.callbacks = [{action: r => console.log(action.name, r)}];
+      }
+    });
+  }
+
+  constructor(actor, rollData, html, options, actions) {
+    let conf = {
+      title: actions[0].label,
+      content: html,
+      buttons: {},
+      default: actions[0].name
+    };
+    for (let action of actions) {
+      conf.buttons[action.name] = { label: action.label, callback: html => this.onAction(action, html) };
+    }
+
+    super(conf, options);
+
+    this.actor = actor;
+    this.rollData = rollData;
+  }
+
+  async onAction(action, html) {
+    await RdDResolutionTable.rollData(this.rollData);
+    if (action.callbacks)
+    for (let callback of action.callbacks) {
+      if (callback.condition == undefined || callback.condition(this.rollData.rolled)) {
+        callback.action(this.rollData);
+      }
+    }
+  }
+
+  /* -------------------------------------------- */
+  activateListeners(html) {
+    super.activateListeners(html);
+
+    this.bringToTop();
+
+    var rollData = this.rollData;
+
+    function updateRollResult(rollData) {
+      let caracValue = parseInt(rollData.selectedCarac.value)
+      let rollLevel = RdDRoll._computeFinalLevel(rollData);
+
+      rollData.finalLevel = rollLevel;
+      rollData.caracValue = caracValue
+
+      HtmlUtility._showControlWhen(".etat-general", !RdDRoll._isIgnoreEtatGeneral(rollData));
+
+      // Sort management
+      if (rollData.selectedSort) {
+        //console.log("Toggle show/hide", rollData.selectedSort);
+        HtmlUtility._showControlWhen("#div-sort-difficulte", RdDItemSort.isDifficulteVariable(rollData.selectedSort))
+        HtmlUtility._showControlWhen("#div-sort-ptreve", RdDItemSort.isCoutVariable(rollData.selectedSort))
+      }
+
+      // Mise à jour valeurs
+      $("#roll-param").text(rollData.selectedCarac.value + " / " + Misc.toSignedString(rollData.finalLevel));
+      $("#compdialogTitle").text(RdDRoll._getTitle(rollData));
+      $(".table-resolution").remove();
+      $("#resolutionTable").append(RdDResolutionTable.buildHTMLTableExtract(caracValue, rollLevel));
+    }
+
+    // Setup everything onload
+    $(function () {
+      // Update html, according to data
+      if (rollData.competence) {
+        // Set the default carac from the competence item
+        rollData.selectedCarac = rollData.carac[rollData.competence.data.defaut_carac];
+        $("#carac").val(rollData.competence.data.defaut_carac);
+      }
+      RdDItemSort.setCoutReveReel(rollData.selectedSort);
+      $("#diffLibre").val(Misc.toInt(rollData.diffLibre));
+      $("#diffConditions").val(Misc.toInt(rollData.diffConditions));
+      updateRollResult(rollData);
+    });
+
+    // Update !
+    html.find('#diffLibre').change((event) => {
+      rollData.diffLibre = Misc.toInt(event.currentTarget.value); // Update the selected bonus/malus
+      //console.log("RdDRollSelectDialog","BM CLICKED !!!", rollData);
+      updateRollResult(rollData);
+    });
+    html.find('#diffConditions').change((event) => {
+      rollData.diffConditions = Misc.toInt(event.currentTarget.value); // Update the selected bonus/malus
+      //console.log("RdDRollSelectDialog","BM CLICKED !!!", rollData);
+      updateRollResult(rollData);
+    });
+    html.find('#carac').change((event) => {
+      let caracKey = event.currentTarget.value;
+      this.rollData.selectedCarac = rollData.carac[caracKey]; // Update the selectedCarac
+      //console.log("RdDRollSelectDialog","CARAC CLICKED !!!", rollData);
+      updateRollResult(rollData);
+    });
+    html.find('#draconic').change((event) => {
+      let draconicKey = Misc.toInt(event.currentTarget.value);
+      this.rollData.selectedDraconic = rollData.draconicList[draconicKey]; // Update the selectedCarac
+      //console.log("RdDRollSelectDialog","CARAC CLICKED !!!", rollData);
+      updateRollResult(rollData);
+    });
+    html.find('#sort').change((event) => {
+      let sortKey = Misc.toInt(event.currentTarget.value);
+      this.rollData.selectedSort = rollData.sortList[sortKey]; // Update the selectedCarac
+      RdDItemSort.setCoutReveReel(rollData.selectedSort);
+      //console.log("RdDRollSelectDialog - Sort selection", rollData.selectedSort);
+      updateRollResult(rollData);
+    });
+    html.find('#ptreve-variable').change((event) => {
+      let ptreve = Misc.toInt(event.currentTarget.value);
+      this.rollData.selectedSort.data.ptreve_reel = ptreve;
+      console.log("RdDRollSelectDialog - Cout reve", ptreve);
+      updateRollResult(rollData);
+    });
+    html.find('#ptreve-variable').change((event) => {
+      let ptreve = Misc.toInt(event.currentTarget.value);
+      this.rollData.selectedSort.data.ptreve_reel = ptreve; // Update the selectedCarac
+      console.log("RdDRollSelectDialog - Cout reve", ptreve);
+      updateRollResult(rollData);
+    });
+    html.find('#coupsNonMortels').change((event) => {
+      this.rollData.mortalite = event.currentTarget.checked ? "non-mortel" : "non-mortel";
+    });
+    html.find('#surencMalusApply').change((event) => {
+      this.rollData.surencMalusApply = event.currentTarget.checked;
+      updateRollResult(rollData);
+    });
+    html.find('#useEncForNatation').change((event) => {
+      this.rollData.useEncForNatation = event.currentTarget.checked;
+      updateRollResult(rollData);
+    });
+  }
+
+  static _isIgnoreEtatGeneral(rollData) {
+    return rollData.selectedCarac.ignoreEtatGeneral;
+  }
+
+  /* -------------------------------------------- */
+  static _computeFinalLevel(rollData) {
+    const etat = RdDRoll._isIgnoreEtatGeneral(rollData) ? 0 : Misc.toInt(rollData.etat);
+    const diffConditions = Misc.toInt(rollData.diffConditions);
+    let malusEnc = (rollData.surencMalusApply) ? rollData.surencMalusValue : 0;
+    let diffLibre = Misc.toInt(rollData.diffLibre);
+    let malusEncNatation = (rollData.useEncForNatation) ? -rollData.encValueForNatation : 0;
+
+    // Gestion malus armure
+    let malusArmureValue = 0;
+    if (rollData.malusArmureValue != 0 && (rollData.selectedCarac.label == "Agilité" || rollData.selectedCarac.label == "Dérobée")) {
+      $("#addon-message").text("Malus armure appliqué : " + rollData.malusArmureValue);
+      malusArmureValue = rollData.malusArmureValue;
+    } else {
+      $("#addon-message").text("");
+    }
+
+    let diffCompetence = 0;
+    if (rollData.competence) {
+      diffCompetence = Misc.toInt(rollData.competence.data.niveau);
+    }
+    else if (rollData.draconicList) {
+      diffCompetence = Misc.toInt(rollData.selectedDraconic.data.niveau);
+      diffLibre = RdDItemSort.getDifficulte(rollData.selectedSort, diffLibre);
+    }
+
+    return etat + diffCompetence + diffLibre + diffConditions + malusEnc + malusEncNatation + malusArmureValue;
+  }
+
+  /* -------------------------------------------- */
+  static _getTitle(rollData) {
+    if (rollData.competence) {
+      // If a weapon is there, add it in the title
+      let armeTitle = (rollData.arme) ? " (" + rollData.arme.name + ") " : "";
+      let niveau = Misc.toSignedString(rollData.competence.data.niveau);
+      return rollData.selectedCarac.label + "/" + rollData.competence.name + armeTitle + " " + niveau
+    }
+    if (rollData.draconicList) {
+      return rollData.selectedDraconic.name + " - " + rollData.selectedSort.name;
+    }
+    return rollData.selectedCarac.label;
+  }
+}
diff --git a/templates/actor-sheet.html b/templates/actor-sheet.html
index c4d02e46..e4809b89 100644
--- a/templates/actor-sheet.html
+++ b/templates/actor-sheet.html
@@ -150,6 +150,7 @@
                   {{/if}}
                 {{/each}}
               </ul>
+              <ul class="carac-list"></ul>
             </div>
           </div>
         </div>