diff --git a/modules/imperium5-actor.js b/modules/imperium5-actor.js
index 87233a3..70c8369 100644
--- a/modules/imperium5-actor.js
+++ b/modules/imperium5-actor.js
@@ -124,10 +124,21 @@ export class Imperium5Actor extends Actor {
   }
 
   /* -------------------------------------------- */
-  incDecKarma( value ) {
+  transferToSource( nbSuccess) {
     let karma = duplicate(this.system.karma)
-    karma.value += value
+    karma.source += Number(nbSuccess)
+    let nbKarma = Math.floor(karma.source / 3)    
+    karma.value += nbKarma
+    karma.source -= nbKarma*3
+    this.update( { 'system.karma': karma})
+  }
+
+  /* -------------------------------------------- */
+  decOneKarma(  ) {
+    let karma = duplicate(this.system.karma)
+    karma.value--
     karma.value = Math.max(karma.value, 0)
+    karma.xp++
     this.update( { 'system.karma': karma})
   }
 
diff --git a/modules/imperium5-utility.js b/modules/imperium5-utility.js
index 014404e..669cac8 100644
--- a/modules/imperium5-utility.js
+++ b/modules/imperium5-utility.js
@@ -48,6 +48,18 @@ export class Imperium5Utility {
     Handlebars.registerHelper('exists', function (val) {
       return val != null && val != undefined;
     })
+    Handlebars.registerHelper('for', function (from, to, incr, block) {
+      var accum = '';
+      for (var i = from; i < to; i += incr)
+        accum += block.fn(i);
+      return accum;
+    })  
+    Handlebars.registerHelper('times', function(n, block) {
+      var accum = '';
+      for(var i = 1; i <= n; ++i)
+          accum += block.fn(i);
+      return accum;
+    })
   }
 
   /* -------------------------------------------- */
@@ -123,6 +135,14 @@ export class Imperium5Utility {
       rollData.previousMessageId = Imperium5Utility.findChatMessageId(event.currentTarget)
       this.applySingularite(rollData, resultIndex)
     })
+
+    html.on("change", '.transfer-success', event => {
+      let nbSuccess = event.currentTarget.value
+      let rollData = this.getRollDataFromMessage(event)
+      rollData.previousMessageId = Imperium5Utility.findChatMessageId(event.currentTarget)
+      this.applySuccessTransfer(rollData, nbSuccess)
+    })
+    
   }
 
   /* -------------------------------------------- */
@@ -341,11 +361,11 @@ export class Imperium5Utility {
     let actor = game.actors.get(rollData.actorId)
     rollData.nbKarma = 0
     if (rollData.useKarma) {
-      actor.incDecKarma(-1)
+      actor.decOneKarma()
       rollData.nbKarma++
     }
     if (rollData.usedCapacite != "none") {
-      actor.incDecKarma(-1)
+      actor.decOneKarma()
       rollData.nbKarma++
     }
 
@@ -365,6 +385,7 @@ export class Imperium5Utility {
     rollData.resultsPC = duplicate(myRoll.terms[0].results)
     // Calcul réussites
     this.computeReussites(rollData)
+    rollData.realSuccessPC = rollData.successPC // To manage source transfer
 
     let msg = await this.createChatWithRollMode(rollData.alias, {
       content: await renderTemplate(`systems/fvtt-imperium5/templates/chat-generic-result.html`, rollData)
@@ -401,6 +422,21 @@ export class Imperium5Utility {
       content: await renderTemplate(`systems/fvtt-imperium5/templates/chat-generic-result.html`, rollData)
     })
     msg.setFlag("world", "imperium5-roll-data", rollData)
+    this.removeChatMessageId(rollData.previousMessageId)
+  }
+
+  /* -------------------------  ------------------- */
+  static async applySuccessTransfer(rollData, nbSuccess) {
+    let actor = game.actors.get(rollData.actorId)
+    actor.transferToSource( nbSuccess)
+    rollData.realSuccessPC -= nbSuccess
+    rollData.sourceTransfer = nbSuccess
+    rollData.nbUnitesNarration = Math.max(rollData.realSuccessPC - 1, 0)
+    let msg = await this.createChatWithRollMode(rollData.alias, {
+      content: await renderTemplate(`systems/fvtt-imperium5/templates/chat-generic-result.html`, rollData)
+    })
+    msg.setFlag("world", "imperium5-roll-data", rollData)
+    this.removeChatMessageId(rollData.previousMessageId)
   }
 
   /* -------------------------  ------------------- */
@@ -530,6 +566,7 @@ export class Imperium5Utility {
       useKarma: false,
       usedCapacite: "none",
       seuil: 2,
+      nbSuccessSource: 0,
       useSingularites: game.settings.get("fvtt-imperium5", "use-singularite"),
       useEntropieReussite: game.settings.get("fvtt-imperium5", "use-entropie-reussite")
     }
diff --git a/system.json b/system.json
index 2b70688..abd786d 100644
--- a/system.json
+++ b/system.json
@@ -7,7 +7,7 @@
       "flags": {}
     }
   ],
-  "version": "10.0.5",
+  "version": "10.0.6",
   "compatibility": {
     "minimum": "10",
     "verified": "10",
@@ -67,5 +67,5 @@
   "background": "images/ui/imperium5_welcome_page.webp",
   "url": "https://www.uberwald.me/gitea/uberwald/fvtt-imperium5",
   "manifest": "https://www.uberwald.me/gitea/uberwald/fvtt-imperium5/raw/branch/master/system.json",
-  "download": "https://www.uberwald.me/gitea/uberwald/fvtt-imperium5/archive/fvtt-imperium5-v10.0.5.zip"
+  "download": "https://www.uberwald.me/gitea/uberwald/fvtt-imperium5/archive/fvtt-imperium5-v10.0.6.zip"
 }
\ No newline at end of file
diff --git a/templates/chat-generic-result.html b/templates/chat-generic-result.html
index b87a6f1..fb5388b 100644
--- a/templates/chat-generic-result.html
+++ b/templates/chat-generic-result.html
@@ -46,18 +46,33 @@
         <li>Seuil : {{seuil}}
           {{#if (count paradigmes)}}
             <select class="common-button select-apply-paradigme" type="text" value="{{selectedParadigme}}" data-dtype="String">
-            {{#select selectedParadigme}}
-            <option value="none">Pas de paradigme</option>
-            {{#each paradigmes as |para key|}}
-            <option value="{{para.key}}">{{para.label}} ({{para.value}})</option>
-            {{/each}}
-            {{/select}}
+              {{#select selectedParadigme}}
+              <option value="none">Pas de paradigme</option>
+              {{#each paradigmes as |para key|}}
+              <option value="{{para.key}}">{{para.label}} ({{para.value}})</option>
+              {{/each}}
+              {{/select}}
           </select>    
           {{/if}}  
         </li>
 
-        <li>Succés : {{successPC}}</li>
+        <li>Succés : {{realSuccessPC}}
+          {{#if realSuccessPC}}
+            <select class="common-button transfer-success" type="text" value="{{nbSuccessSource}}" data-dtype="Number">
+              {{#select nbSuccessSource}}
+              <option value="none">0 succès -> Source</option>
+              {{#times realSuccessPC}}
+              <option value="{{this}}">{{this}} succès -> Source</option>
+              {{/times}}
+              {{/select}}
+            </select>    
+          {{/if}}
+        </li>
         
+        {{#if sourceTransfer}}
+        <li>Succés transférés à la Source : {{sourceTransfer}}</li>
+        {{/if}}
+
         <li>Succés de Réalité : {{successGM}}</li>
         
         <li>Unités de narration : {{nbUnitesNarration}}</li>