diff --git a/css/fvtt-hamalron.css b/css/fvtt-hamalron.css
index 810049f..3d7522a 100644
--- a/css/fvtt-hamalron.css
+++ b/css/fvtt-hamalron.css
@@ -2997,6 +2997,79 @@ i.fvtt-hamalron {
     box-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
   }
 }
+.tension-roll {
+  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
+  border: 1px solid #e94560;
+  border-radius: 8px;
+  overflow: hidden;
+}
+.tension-roll .tension-header {
+  text-align: center;
+  padding: 6px;
+  background: rgba(233, 69, 96, 0.15);
+  border-bottom: 1px solid rgba(233, 69, 96, 0.3);
+}
+.tension-roll .tension-header .tension-badge {
+  color: #e94560;
+  font-size: 13px;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 2px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+}
+.tension-roll .tension-players {
+  display: flex;
+  align-items: center;
+  justify-content: space-around;
+  padding: 12px 8px;
+}
+.tension-roll .tension-players .tension-side {
+  text-align: center;
+}
+.tension-roll .tension-players .tension-side .tension-side-label {
+  font-size: 11px;
+  color: #888;
+  text-transform: uppercase;
+  letter-spacing: 1px;
+  margin-bottom: 4px;
+}
+.tension-roll .tension-players .tension-side .tension-side-value {
+  font-size: 28px;
+  font-weight: 700;
+  color: #f0e6d3;
+}
+.tension-roll .tension-players .tension-side .tension-side-name {
+  font-size: 11px;
+  color: #aaa;
+  margin-top: 2px;
+}
+.tension-roll .tension-players .tension-side.tension-winner .tension-side-value {
+  color: #4caf50;
+}
+.tension-roll .tension-players .tension-vs {
+  font-size: 14px;
+  font-weight: 700;
+  color: #e94560;
+  opacity: 0.7;
+}
+.tension-roll .tension-result {
+  text-align: center;
+  padding: 6px;
+  font-size: 13px;
+  font-weight: 600;
+  border-top: 1px solid rgba(233, 69, 96, 0.2);
+}
+.tension-roll .tension-result.result-success {
+  background: rgba(76, 175, 80, 0.15);
+  color: #4caf50;
+}
+.tension-roll .tension-result.result-failure {
+  background: rgba(244, 67, 54, 0.15);
+  color: #f44336;
+}
 .initiative-roll {
   background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
   border: 1px solid #e94560;
diff --git a/fvtt-hamalron.mjs b/fvtt-hamalron.mjs
index c598de2..0e8276e 100644
--- a/fvtt-hamalron.mjs
+++ b/fvtt-hamalron.mjs
@@ -325,13 +325,12 @@ $(document).on("click", "[data-action='sousTension']", async function () {
   deckManager.addToDiscard(card)
   await deckManager.saveDeckState()
 
-  const success = totalJoueur >= valeurMJ
-  ChatMessage.create({
-    content: `<div class="fvtt-hamalron"><h3>${game.i18n.localize("HAMALRON.Label.sousTension")}</h3>
-      <p><strong>${actorName}</strong>: ${totalJoueur} vs <strong>MJ</strong>: ${card.name} (${valeurMJ})</p>
-      <p>${success ? game.i18n.localize("HAMALRON.Label.success") : game.i18n.localize("HAMALRON.Label.failure")}</p></div>`,
-    style: CONST.CHAT_MESSAGE_STYLES.OTHER,
-  })
+  const content = await foundry.applications.handlebars.renderTemplate(
+    "systems/fvtt-hamalron/templates/chat-tension.hbs",
+    { cssClass: "fvtt-hamalron tension-roll", icon: "fa-bolt", label: game.i18n.localize("HAMALRON.Label.sousTension"),
+      joueurName: actorName, joueurScore: totalJoueur, mjCard: `${card.name} (${valeurMJ})`, mjScore: valeurMJ,
+      isSuccess: success, isMJ: totalJoueur < valeurMJ, isSousTension: true })
+  ChatMessage.create({ content, style: CONST.CHAT_MESSAGE_STYLES.OTHER })
 })
 
 $(document).on("click", "[data-action='oppose']", async function () {
@@ -356,12 +355,12 @@ $(document).on("click", "[data-action='oppose']", async function () {
   await deckManager.saveDeckState()
 
   const success = totalJoueur >= valeurOpposant
-  ChatMessage.create({
-    content: `<div class="fvtt-hamalron"><h3>${game.i18n.localize("HAMALRON.Label.oppose")}</h3>
-      <p><strong>${actorName}</strong>: ${totalJoueur} vs <strong>Opposant</strong>: ${card.name} (${valeurOpposant})</p>
-      <p>${success ? game.i18n.localize("HAMALRON.Label.success") : game.i18n.localize("HAMALRON.Label.failure")}</p></div>`,
-    style: CONST.CHAT_MESSAGE_STYLES.OTHER,
-  })
+  const content = await foundry.applications.handlebars.renderTemplate(
+    "systems/fvtt-hamalron/templates/chat-tension.hbs",
+    { cssClass: "fvtt-hamalron tension-roll", icon: "fa-shield-halved", label: game.i18n.localize("HAMALRON.Label.oppose"),
+      joueurName: actorName, joueurScore: totalJoueur, mjCard: `${card.name} (${valeurOpposant})`, mjScore: valeurOpposant,
+      isSuccess: success, isMJ: totalJoueur < valeurOpposant, isSousTension: false })
+  ChatMessage.create({ content, style: CONST.CHAT_MESSAGE_STYLES.OTHER })
 })
 
 Hooks.on("hotbarDrop", (bar, data, slot) => {
diff --git a/packs-system/hamalron-items/CURRENT b/packs-system/hamalron-items/CURRENT
index 1a84852..f7753e2 100644
--- a/packs-system/hamalron-items/CURRENT
+++ b/packs-system/hamalron-items/CURRENT
@@ -1 +1 @@
-MANIFEST-000002
+MANIFEST-000006
diff --git a/packs-system/hamalron-items/MANIFEST-000002 b/packs-system/hamalron-items/MANIFEST-000002
deleted file mode 100644
index bd79a28..0000000
Binary files a/packs-system/hamalron-items/MANIFEST-000002 and /dev/null differ
diff --git a/packs-system/hamalron-items/MANIFEST-000006 b/packs-system/hamalron-items/MANIFEST-000006
new file mode 100644
index 0000000..29fd216
Binary files /dev/null and b/packs-system/hamalron-items/MANIFEST-000006 differ
diff --git a/styles/chat.less b/styles/chat.less
index 01f9a75..4c37db6 100644
--- a/styles/chat.less
+++ b/styles/chat.less
@@ -788,6 +788,85 @@
   }
 }
 
+.tension-roll {
+  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
+  border: 1px solid #e94560;
+  border-radius: 8px;
+  overflow: hidden;
+
+  .tension-header {
+    text-align: center;
+    padding: 6px;
+    background: rgba(233, 69, 96, 0.15);
+    border-bottom: 1px solid rgba(233, 69, 96, 0.3);
+
+    .tension-badge {
+      color: #e94560;
+      font-size: 13px;
+      font-weight: 600;
+      text-transform: uppercase;
+      letter-spacing: 2px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      gap: 6px;
+    }
+  }
+
+  .tension-players {
+    display: flex;
+    align-items: center;
+    justify-content: space-around;
+    padding: 12px 8px;
+
+    .tension-side {
+      text-align: center;
+
+      .tension-side-label {
+        font-size: 11px;
+        color: #888;
+        text-transform: uppercase;
+        letter-spacing: 1px;
+        margin-bottom: 4px;
+      }
+
+      .tension-side-value {
+        font-size: 28px;
+        font-weight: 700;
+        color: #f0e6d3;
+      }
+
+      .tension-side-name {
+        font-size: 11px;
+        color: #aaa;
+        margin-top: 2px;
+      }
+
+      &.tension-winner .tension-side-value {
+        color: #4caf50;
+      }
+    }
+
+    .tension-vs {
+      font-size: 14px;
+      font-weight: 700;
+      color: #e94560;
+      opacity: 0.7;
+    }
+  }
+
+  .tension-result {
+    text-align: center;
+    padding: 6px;
+    font-size: 13px;
+    font-weight: 600;
+    border-top: 1px solid rgba(233, 69, 96, 0.2);
+
+    &.result-success { background: rgba(76, 175, 80, 0.15); color: #4caf50; }
+    &.result-failure { background: rgba(244, 67, 54, 0.15); color: #f44336; }
+  }
+}
+
 .initiative-roll {
   background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
   border: 1px solid #e94560;
diff --git a/templates/chat-tension.hbs b/templates/chat-tension.hbs
new file mode 100644
index 0000000..7edcb4d
--- /dev/null
+++ b/templates/chat-tension.hbs
@@ -0,0 +1,27 @@
+<div class="{{cssClass}}">
+  <div class="tension-header">
+    <div class="tension-badge">
+      <i class="fas {{icon}}"></i>
+      <span>{{label}}</span>
+    </div>
+  </div>
+
+  <div class="tension-players">
+    <div class="tension-side">
+      <div class="tension-side-label">{{localize "HAMALRON.Label.player"}}</div>
+      <div class="tension-side-value">{{joueurScore}}</div>
+      <div class="tension-side-name">{{joueurName}}</div>
+    </div>
+    <div class="tension-vs">VS</div>
+    <div class="tension-side {{#if isMJ}}tension-winner{{/if}}">
+      <div class="tension-side-label">{{localize "HAMALRON.Label.gm"}}</div>
+      <div class="tension-side-value">{{mjScore}}</div>
+      <div class="tension-side-name">{{mjCard}}</div>
+    </div>
+  </div>
+
+  <div class="tension-result {{#if isSuccess}}result-success{{else}}result-failure{{/if}}">
+    <i class="fas {{#if isSuccess}}fa-check-circle{{else}}fa-times-circle{{/if}}"></i>
+    {{#if isSuccess}}{{localize "HAMALRON.Label.success"}}{{else}}{{localize "HAMALRON.Label.failure"}}{{/if}}
+  </div>
+</div>