diff --git a/icons/sorts/sort_hypnos.png b/icons/sorts/sort_hypnos.png
new file mode 100644
index 00000000..5f5c7f2f
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diff --git a/icons/sorts/sort_narcos.png b/icons/sorts/sort_narcos.png
new file mode 100644
index 00000000..63655f60
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diff --git a/icons/sorts/sort_oniros.png b/icons/sorts/sort_oniros.png
new file mode 100644
index 00000000..067ce13c
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diff --git a/icons/sorts/sort_thanatos.png b/icons/sorts/sort_thanatos.png
new file mode 100644
index 00000000..9ce01f79
Binary files /dev/null and b/icons/sorts/sort_thanatos.png differ
diff --git a/module/actor-sheet.js b/module/actor-sheet.js
index 2bb85c07..bf904505 100644
--- a/module/actor-sheet.js
+++ b/module/actor-sheet.js
@@ -44,6 +44,7 @@ export class RdDActorSheet extends ActorSheet {
     }
     // Competence per category
     data.competenceByCategory = {};
+    let competenceXPTotal = 0;
     if (data.itemsByType.competence) { 
       for (const item of data.itemsByType.competence) {
         //console.log("Push...", item, item.data.categorie);
@@ -52,10 +53,18 @@ export class RdDActorSheet extends ActorSheet {
           list = [];
           data.competenceByCategory[item.data.categorie] = list;
         }
+        competenceXPTotal += RdDUtility.computeCompetenceXPCost(item)
         list.push(item);
       }
     }
-    
+    data.data.competenceXPTotal = competenceXPTotal;
+    //console.log("XP competence : ", competenceXPTotal);
+
+    // Compute current carac sum
+    let sum = 0;
+    Object.values(data.data.carac).forEach(carac => { if (!carac.derivee) { sum += parseInt(carac.value) } } );
+    data.data.caracSum = sum;
+
     // Force empty arme, at least for Esquive
     if (data.itemsByType.arme == undefined ) data.itemsByType.arme = [];
     for (const arme of data.itemsByType.arme) {
diff --git a/module/actor.js b/module/actor.js
index 98b02076..41a95f66 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -272,6 +272,7 @@ export class RdDActor extends Actor {
           data: defenseMsg 
         } );
       } else { 
+        defenseMsg.whisper = [ game.user];
         ChatMessage.create( defenseMsg );
       }
     }
@@ -294,7 +295,26 @@ export class RdDActor extends Actor {
   {
     let comp = RdDUtility.findCompetence( this.data.items, compName);
     if ( comp ) {
-      const update = {_id: comp._id, 'data.niveau': compValue };
+      let troncList = RdDUtility.isTronc( compName );
+      let maxNiveau = compValue;
+      if ( troncList  ) {
+        let troncCompValue = (compValue > 0) ? 0 : compValue; // Clamp it to 0
+        for(let troncName of troncList) {
+          if ( troncName != compName) {
+            console.log("Update competence tronc", troncName, compValue);
+            let comp2 = RdDUtility.findCompetence( this.data.items, troncName);
+            if (comp2.data.niveau > maxNiveau) maxNiveau = comp2.data.niveau;
+            if ( comp2.data.niveau <= 0 && comp2.data.niveau < troncCompValue ) { // Update only of below 0
+              const update = {_id: comp2._id, 'data.niveau': compValue };
+              const updated = await this.updateEmbeddedEntity("OwnedItem", update); // Updates one EmbeddedEntity        
+            }
+          }
+        }
+        if ( compValue < maxNiveau) { // Manage case when someone set a value below
+          compValue = (maxNiveau > 0) ? 0 : maxNiveau;
+        }
+      }
+      const update = {_id: comp._id, 'data.niveau': maxNiveau };
       const updated = await this.updateEmbeddedEntity("OwnedItem", update); // Updates one EmbeddedEntity
     } else {
       console.log("Competence not found", compName);
diff --git a/module/rdd-main.js b/module/rdd-main.js
index b2919e57..1ed8368a 100644
--- a/module/rdd-main.js
+++ b/module/rdd-main.js
@@ -23,7 +23,16 @@ Hooks.once("init", async function() {
   
   // preload handlebars templates
   RdDUtility.preloadHandlebarsTemplates();
-    
+  
+  // Create specific settings
+  game.settings.register("foundryvtt-reve-de-dragon", "configuration", {
+    name: "configuration",
+    scope: "world",
+    config: false,
+    type: Object
+  });
+  //game.settings.get("<systemName>","<settingName>") to retrieve it and  game.settings.set("<systemName>","<settingName>", <newValue>)
+  
 	/**
 	 * Set an initiative formula for the system
 	 * @type {String}
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index eadfd728..09ef92fe 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -12,6 +12,16 @@ const level_category = {
   "tir": "-8", 
   "lancer": "-8"
 }
+const competenceTroncs = [ ["Esquive", "Dague", "Corps à corps"],
+                           ["Epée à 1 main", "Epée à 2 mains", "Hache à 1 main", "Hache à 2 mains", "Lance", "Masse à 1 main", "Masse à 2 mains"] ];
+const competence_xp = {
+  "-11" : [ 5, 10, 15, 25, 35, 45, 55, 70, 85, 100, 115, 135, 155, 175 ],
+  "-8"  : [ 10, 20, 30, 40, 55, 70, 85, 100, 120, 140,160],
+  "-6"  : [ 10, 20, 35, 50, 65, 80, 100, 120, 140],
+  "-4"  : [ 15, 30, 45, 60, 80, 100, 120]
+}
+// This table starts at 0 -> niveau -10
+const competence_xp_par_niveau = [ 5, 5, 5, 10, 10, 10, 10, 15, 15, 15, 15, 20, 20, 20, 20, 30, 30, 40, 40, 60, 60, 100, 100, 100, 100, 100, 100, 100, 100, 100];
 const carac_array = [ "taille", "apparence", "constitution", "force", "agilite", "dexterite", "vue", "ouie", "odoratgout", "volonte", "intellect", "empathie", "reve", "chance", "melee", "tir", "lancer", "derobee"];
 const bonusmalus  = [-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9, +10];
 const specialResults = [ { "part":  0, "epart": 0,  "etotal":   0 },  // 0
@@ -204,6 +214,18 @@ export class RdDUtility  {
     return container.append(table);
   }
   
+  /* -------------------------------------------- */
+  static isTronc( compName )
+  {
+    for (let troncList of competenceTroncs) {
+      for (let troncName of troncList) {
+        if ( troncName == compName) 
+          return troncList;
+      }
+    }
+    return false;
+  }
+
   /* -------------------------------------------- */
   static getResolutionField(caracValue, levelValue ) 
   {
@@ -215,6 +237,21 @@ export class RdDUtility  {
     return CONFIG.RDD.resolutionTable[caracValue][levelValue+10];
   }
   
+  /* -------------------------------------------- */
+  static computeCompetenceXPCost( competence )
+  {
+    let minLevel = competence.data.base;
+    if ( minLevel == competence.data.niveau) return 0;
+    if ( competence.data.niveau < -10) return 0;
+
+    let xp = 0;
+    for (let i=minLevel+1; i<=competence.data.niveau; i++) {
+       xp += competence_xp_par_niveau[i+10];
+       //console.log(i, i+10, competence_xp_par_niveau[i+10]);
+    }
+    return xp;
+  } 
+
   /* -------------------------------------------- */
   static computeCarac( data)
   {
@@ -481,6 +518,7 @@ export class RdDUtility  {
     } else if (sockmsg.msg == "msg_defense" ) {
       let defenderActor = game.actors.get( sockmsg.data.defenderid );
       if ( (game.user.isGM && !defenderActor.isPC) || (defenderActor.isPC && game.user.character.id == defenderActor.id ) ) {
+        console.log("User is pushing message...", game.user.name);
         sockmsg.data.whisper = [ game.user ];
         sockmsg.data.blind   = true;
         sockmsg.data.rollMode = "blindroll";
diff --git a/system.json b/system.json
index 1d039ba9..a24e17f4 100644
--- a/system.json
+++ b/system.json
@@ -2,7 +2,7 @@
   "name": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
   "description": "L'implémentation de Rêve de Dragon pour FoundryVTT",
-  "version": "0.8.3",
+  "version": "0.8.4",
   "minimumCoreVersion": "0.6.0",
   "compatibleCoreVersion": "0.6.2",
   "templateVersion": 23,
diff --git a/templates/actor-sheet.html b/templates/actor-sheet.html
index 4919f6e7..7e48578b 100644
--- a/templates/actor-sheet.html
+++ b/templates/actor-sheet.html
@@ -77,6 +77,10 @@
                       {{/if}}
                   </li>
               {{/each}}
+              <li class="competence flexrow">
+                <span class="carac-label flexrow" name="carac-total">Total Caractéristiques </span>
+                <span class="competence-value flexrow" name="carac-total-value">{{data.caracSum}} </span>
+              </li>
               </ol>          
             </div>
             <div class="flex-group-left flexcol" >
@@ -244,7 +248,14 @@
                   </li>
               {{/each}}
               </ol>  
-              <div></div>        
+              <div>
+                <ol class="item-list">
+                  <li class="item flexrow">
+                    <span class="competence-label">Total XP compétences</span>
+                    <span class="competence-value">{{data.competenceXPTotal}}</span>
+                  </li>
+                </ol>
+              </div>        
               <div></div>        
             </div>
           </div>