diff --git a/lang/en.json b/lang/en.json
index 3e65c8a..7e93497 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -441,7 +441,8 @@
     },
     "Notitications": {
       "NoWeaponSkill": "No weapon skill found for this weapon. Check Weapon definition or available skills/era",
-      "NoWeaponType": "No weapon type found for this weapon subtype. Check Weapon definition or available skills/era"
+      "NoWeaponType": "No weapon type found for this weapon subtype. Check Weapon definition or available skills/era",
+      "skillAlreadyExists": "Skill already exists"
     }
   }
 }
diff --git a/module/applications/sheets/protagonist-sheet.mjs b/module/applications/sheets/protagonist-sheet.mjs
index 5bba1dc..612d6c4 100644
--- a/module/applications/sheets/protagonist-sheet.mjs
+++ b/module/applications/sheets/protagonist-sheet.mjs
@@ -98,22 +98,30 @@ export default class CthulhuEternalProtagonistSheet extends CthulhuEternalActorS
       case "skills":
         context.tab = context.tabs.skills
         context.skills = doc.itemTypes.skill
+        context.skills.sort((a, b) => a.name.localeCompare(b.name))
         break
       case "equipment":
         context.tab = context.tabs.equipment
         context.weapons = doc.itemTypes.weapon
+        context.weapons.sort((a, b) => a.name.localeCompare(b.name))
         context.armors = doc.itemTypes.armor
+        context.armors.sort((a, b) => a.name.localeCompare(b.name))
         context.gears = doc.itemTypes.gear
+        context.gears.sort((a, b) => a.name.localeCompare(b.name))
         break
       case "status":
         context.tab = context.tabs.status
         context.injuries = doc.itemTypes.injury
+        context.injuries.sort((a, b) => a.name.localeCompare(b.name))
         context.mentaldisorders = doc.itemTypes.mentaldisorder
+        context.mentaldisorders.sort((a, b) => a.name.localeCompare(b.name))
         context.bonds = doc.itemTypes.bond
+        context.bonds.sort((a, b) => a.name.localeCompare(b.name))
         break
       case "biography":
         context.tab = context.tabs.biography
         context.motivations = doc.itemTypes.motivation
+        context.motivations.sort((a, b) => a.name.localeCompare(b.name))
         context.enrichedDescription = await TextEditor.enrichHTML(doc.system.description, { async: true })
         context.enrichedNotes = await TextEditor.enrichHTML(doc.system.notes, { async: true })
         break
diff --git a/module/documents/actor.mjs b/module/documents/actor.mjs
index ee82081..1c9c01a 100644
--- a/module/documents/actor.mjs
+++ b/module/documents/actor.mjs
@@ -1,7 +1,7 @@
 import CthulhuEternalUtils from "../utils.mjs"
 
 export default class CthulhuEternalActor extends Actor {
-  
+
   static async create(data, options) {
 
     // Case of compendium global import
@@ -19,7 +19,7 @@ export default class CthulhuEternalActor extends Actor {
       const skills = await CthulhuEternalUtils.loadCompendium("fvtt-cthulhu-eternal.skills")
       data.items = data.items || []
       for (let skill of skills) {
-        if (skill.system.settings === era ) {
+        if (skill.system.settings === era) {
           data.items.push(skill.toObject())
         }
       }
@@ -30,7 +30,7 @@ export default class CthulhuEternalActor extends Actor {
 
   _onUpdate(changed, options, userId) {
     // DEBUG : console.log("CthulhuEternalActor.update", changed, options, userId)
-    if ( changed?.system?.wp?.exhausted) {
+    if (changed?.system?.wp?.exhausted) {
       ChatMessage.create({
         user: userId,
         speaker: { alias: this.name },
@@ -42,19 +42,36 @@ export default class CthulhuEternalActor extends Actor {
     return super._onUpdate(changed, options, userId)
   }
 
-  async _preCreate(data, options, user) {
-    await super._preCreate(data, options, user)
-
-    // Configure prototype token settings
-    const prototypeToken = {}
-    if (this.type === "protagonist") {
-      Object.assign(prototypeToken, {
-        sight: { enabled: true },
-        actorLink: true,
-        disposition: CONST.TOKEN_DISPOSITIONS.FRIENDLY,
-      })
-      this.updateSource({ prototypeToken })
+  async createEmbeddedDocuments(embeddedName, data, operation) {
+    let newData = []
+    if (embeddedName === "Item") {
+      for (let i of data) {
+        if (i.type === "skill") {
+          if (this.items.find(item => item.name.toLowerCase() === i.name.toLowerCase())) {
+            ui.notifications.warn(game.i18n.localize("CTHULHUETERNAL.Notifications.skillAlreadyExists"))
+            continue
+          }
+        }
+        newData.push(i)
+      }
+      return super.createEmbeddedDocuments(embeddedName, newData, operation)
     }
+    return super.createEmbeddedDocuments(embeddedName, data, operation)
   }
 
+  async _preCreate(data, options, user) {
+  await super._preCreate(data, options, user)
+
+  // Configure prototype token settings
+  const prototypeToken = {}
+  if (this.type === "protagonist") {
+    Object.assign(prototypeToken, {
+      sight: { enabled: true },
+      actorLink: true,
+      disposition: CONST.TOKEN_DISPOSITIONS.FRIENDLY,
+    })
+    this.updateSource({ prototypeToken })
+  }
+}
+
 }
diff --git a/packs-system/skills/000053.log b/packs-system/skills/000053.log
new file mode 100644
index 0000000..e69de29
diff --git a/packs-system/skills/CURRENT b/packs-system/skills/CURRENT
index a9ebced..f774e85 100644
--- a/packs-system/skills/CURRENT
+++ b/packs-system/skills/CURRENT
@@ -1 +1 @@
-MANIFEST-000048
+MANIFEST-000052
diff --git a/packs-system/skills/LOG b/packs-system/skills/LOG
index 8f92da3..733f366 100644
--- a/packs-system/skills/LOG
+++ b/packs-system/skills/LOG
@@ -1,3 +1,3 @@
-2025/01/09-15:39:16.704802 7f0abb7fe6c0 Recovering log #46
-2025/01/09-15:39:16.715860 7f0abb7fe6c0 Delete type=3 #44
-2025/01/09-15:39:16.715933 7f0abb7fe6c0 Delete type=0 #46
+2025/01/10-00:04:46.700736 7f0abaffd6c0 Recovering log #50
+2025/01/10-00:04:46.711152 7f0abaffd6c0 Delete type=3 #48
+2025/01/10-00:04:46.711210 7f0abaffd6c0 Delete type=0 #50
diff --git a/packs-system/skills/LOG.old b/packs-system/skills/LOG.old
index 017b0cb..c7f8318 100644
--- a/packs-system/skills/LOG.old
+++ b/packs-system/skills/LOG.old
@@ -1,8 +1,8 @@
-2025/01/09-15:36:12.923109 7f0aba7fc6c0 Recovering log #42
-2025/01/09-15:36:12.933058 7f0aba7fc6c0 Delete type=3 #40
-2025/01/09-15:36:12.933138 7f0aba7fc6c0 Delete type=0 #42
-2025/01/09-15:36:31.742879 7f0ab9bff6c0 Level-0 table #47: started
-2025/01/09-15:36:31.742910 7f0ab9bff6c0 Level-0 table #47: 0 bytes OK
-2025/01/09-15:36:31.749117 7f0ab9bff6c0 Delete type=0 #45
-2025/01/09-15:36:31.749289 7f0ab9bff6c0 Manual compaction at level-0 from '!folders!DD8331Hda4rhvEf9' @ 72057594037927935 : 1 .. '!items!zplzTG30QXHURusr' @ 0 : 0; will stop at (end)
-2025/01/09-15:36:31.759629 7f0ab9bff6c0 Manual compaction at level-1 from '!folders!DD8331Hda4rhvEf9' @ 72057594037927935 : 1 .. '!items!zplzTG30QXHURusr' @ 0 : 0; will stop at (end)
+2025/01/09-15:39:16.704802 7f0abb7fe6c0 Recovering log #46
+2025/01/09-15:39:16.715860 7f0abb7fe6c0 Delete type=3 #44
+2025/01/09-15:39:16.715933 7f0abb7fe6c0 Delete type=0 #46
+2025/01/09-16:20:07.336867 7f0ab9bff6c0 Level-0 table #51: started
+2025/01/09-16:20:07.336898 7f0ab9bff6c0 Level-0 table #51: 0 bytes OK
+2025/01/09-16:20:07.343031 7f0ab9bff6c0 Delete type=0 #49
+2025/01/09-16:20:07.352821 7f0ab9bff6c0 Manual compaction at level-0 from '!folders!DD8331Hda4rhvEf9' @ 72057594037927935 : 1 .. '!items!zplzTG30QXHURusr' @ 0 : 0; will stop at (end)
+2025/01/09-16:20:07.369688 7f0ab9bff6c0 Manual compaction at level-1 from '!folders!DD8331Hda4rhvEf9' @ 72057594037927935 : 1 .. '!items!zplzTG30QXHURusr' @ 0 : 0; will stop at (end)
diff --git a/packs-system/skills/MANIFEST-000052 b/packs-system/skills/MANIFEST-000052
new file mode 100644
index 0000000..835b91b
Binary files /dev/null and b/packs-system/skills/MANIFEST-000052 differ