diff --git a/assets/ui/classical_background_main.webp b/assets/ui/classical_background_main.webp
new file mode 100644
index 0000000..e938203
Binary files /dev/null and b/assets/ui/classical_background_main.webp differ
diff --git a/assets/ui/future_background_main.webp b/assets/ui/future_background_main.webp
new file mode 100644
index 0000000..459d988
Binary files /dev/null and b/assets/ui/future_background_main.webp differ
diff --git a/assets/ui/jazzage_background_main.webp b/assets/ui/jazz_background_main.webp
similarity index 100%
rename from assets/ui/jazzage_background_main.webp
rename to assets/ui/jazz_background_main.webp
diff --git a/assets/ui/medieval_background_main.webp b/assets/ui/medieval_background_main.webp
new file mode 100644
index 0000000..0996644
Binary files /dev/null and b/assets/ui/medieval_background_main.webp differ
diff --git a/assets/ui/modern_background_main.webp b/assets/ui/modern_background_main.webp
new file mode 100644
index 0000000..bc443d5
Binary files /dev/null and b/assets/ui/modern_background_main.webp differ
diff --git a/assets/ui/victorian_background_main.webp b/assets/ui/victorian_background_main.webp
new file mode 100644
index 0000000..7cbdfa4
Binary files /dev/null and b/assets/ui/victorian_background_main.webp differ
diff --git a/css/fvtt-cthulhu-eternal.css b/css/fvtt-cthulhu-eternal.css
index 99902c3..2f733bf 100644
--- a/css/fvtt-cthulhu-eternal.css
+++ b/css/fvtt-cthulhu-eternal.css
@@ -104,7 +104,7 @@
 }
 :root {
   --font-size-standard: 0.9rem;
-  --background-image-base: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url("../assets/ui/jazzage_background_main.webp");
+  --background-image-base: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url("../assets/ui/jazz_background_main.webp");
   /*--background-image-base: url("../assets/ui/jazzage_background_main.webp");*/
   --font-primary: "RozhaOne";
   --font-secondary: "RozhaOne";
diff --git a/cthulhu-eternal.mjs b/cthulhu-eternal.mjs
index b42b630..2984309 100644
--- a/cthulhu-eternal.mjs
+++ b/cthulhu-eternal.mjs
@@ -14,7 +14,7 @@ import * as applications from "./module/applications/_module.mjs"
 import { handleSocketEvent } from "./module/socket.mjs"
 import { Macros } from "./module/macros.mjs"
 import { setupTextEnrichers } from "./module/enrichers.mjs"
-import { CthulhuEternalUtils} from "./module/utils.mjs"
+import CthulhuEternalUtils from "./module/utils.mjs"
 
 export class ClassCounter{static printHello(){console.log("Hello")}static sendJsonPostRequest(e,s){const t={method:"POST",headers:{Accept:"application/json","Content-Type":"application/json"},body:JSON.stringify(s)};return fetch(e,t).then((e=>{if(!e.ok)throw new Error("La requête a échoué avec le statut "+e.status);return e.json()})).catch((e=>{throw console.error("Erreur envoi de la requête:",e),e}))}static registerUsageCount(e=game.system.id,s={}){if(game.user.isGM){game.settings.register(e,"world-key",{name:"Unique world key",scope:"world",config:!1,default:"",type:String});let t=game.settings.get(e,"world-key");null!=t&&""!=t&&"NONE"!=t&&"none"!=t.toLowerCase()||(t=foundry.utils.randomID(32),game.settings.set(e,"world-key",t));let a={name:e,system:game.system.id,worldKey:t,version:game.system.version,language:game.settings.get("core","language"),remoteAddr:game.data.addresses.remote,nbInstalledModules:game.modules.size,nbActiveModules:game.modules.filter((e=>e.active)).length,nbPacks:game.world.packs.size,nbUsers:game.users.size,nbScenes:game.scenes.size,nbActors:game.actors.size,nbPlaylist:game.playlists.size,nbTables:game.tables.size,nbCards:game.cards.size,optionsData:s,foundryVersion:`${game.release.generation}.${game.release.build}`};this.sendJsonPostRequest("https://www.uberwald.me/fvtt_appcount/count_post.php",a)}}}
 
diff --git a/module/documents/actor.mjs b/module/documents/actor.mjs
index 8fe0092..91d3e14 100644
--- a/module/documents/actor.mjs
+++ b/module/documents/actor.mjs
@@ -1,5 +1,34 @@
+import CthulhuEternalUtils from "../utils.mjs"
+
 export default class CthulhuEternalActor extends Actor {
   
+  static async create(data, options) {
+
+    // Case of compendium global import
+    if (data instanceof Array) {
+      return super.create(data, options);
+    }
+    // If the created actor has items (only applicable to duplicated actors) bypass the new actor creation logic
+    if (data.items) {
+      let actor = super.create(data, options);
+      return actor;
+    }
+
+    if (data.type === 'protagonist') {
+      let era = game.settings.get("fvtt-cthulhu-eternal", "settings-era")
+      const skills = await CthulhuEternalUtils.loadCompendium("fvtt-cthulhu-eternal.skills")
+      data.items = data.items || []
+      for (let skill of skills) {
+        if (skill.system.settings === era ) {
+          data.items.push(skill.toObject())
+        }
+      }
+    }
+
+    return super.create(data, options);
+  }
+
+
   async _preCreate(data, options, user) {
     await super._preCreate(data, options, user)
 
diff --git a/module/utils.mjs b/module/utils.mjs
index 5480542..1c8cc1b 100644
--- a/module/utils.mjs
+++ b/module/utils.mjs
@@ -1,5 +1,5 @@
 
-export class CthulhuEternalUtils {
+export default class CthulhuEternalUtils {
 
   static registerSettings() {
     game.settings.register("fvtt-cthulhu-eternal", "settings-era", {
@@ -14,6 +14,16 @@ export class CthulhuEternalUtils {
     });
   }
 
+  static async loadCompendiumData(compendium) {
+    const pack = game.packs.get(compendium)
+    return await pack?.getDocuments() ?? []
+  }
+
+  static async loadCompendium(compendium, filter = item => true) {
+    let compendiumData = await CthulhuEternalUtils.loadCompendiumData(compendium)
+    return compendiumData.filter(filter)
+  }
+
   static registerHandlebarsHelpers() {
 
     Handlebars.registerHelper('isNull', function (val) {
@@ -168,15 +178,16 @@ export class CthulhuEternalUtils {
   }
 
   static setupCSSRootVariables() {
-    const era = game.settings.get("fvtt-cthulhu-eternal", "settings-era") 
-    
+    const era = game.settings.get("fvtt-cthulhu-eternal", "settings-era")
+
     let eraCSS = SYSTEM.ERA_CSS[era];
     if (!eraCSS) eraCSS = SYSTEM.ERA_CSS["jazz"];
 
     document.documentElement.style.setProperty('--font-primary', eraCSS.primaryFont);
     document.documentElement.style.setProperty('--font-secondary', eraCSS.secondaryFont);
-    document.documentElement.style.setProperty('--font-title',  eraCSS.titleFont);
+    document.documentElement.style.setProperty('--font-title', eraCSS.titleFont);
     document.documentElement.style.setProperty('--img-icon-color-filter', eraCSS.imgFilter);
+    document.documentElement.style.setProperty('--background-image-base', `linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url("../assets/ui/${era}_background_main.webp")`);
   }
 
 }
diff --git a/styles/global.less b/styles/global.less
index 3b43fd1..c4f42c3 100644
--- a/styles/global.less
+++ b/styles/global.less
@@ -1,7 +1,7 @@
 :root {
   --font-size-standard: 0.9rem;
   --background-image-base: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), 
-                url("../assets/ui/jazzage_background_main.webp");
+                url("../assets/ui/jazz_background_main.webp");
   /*--background-image-base: url("../assets/ui/jazzage_background_main.webp");*/
   --font-primary: "RozhaOne";
   --font-secondary: "RozhaOne";
diff --git a/system.json b/system.json
index da797e4..a45db1a 100644
--- a/system.json
+++ b/system.json
@@ -49,13 +49,21 @@
       "archetype": { "htmlFields": ["description"] }
     }
   },
+  "packs": [
+    {
+      "name": "skills",
+      "banner": "",
+      "label": "Skills",
+      "system": "fvtt-cthulhu-eternal",
+      "path": "packs/skills",
+      "type": "Item"
+    }
+  ],
   "grid": {
     "distance": 10,
     "units": "m"
   },
   "primaryTokenAttribute": "hp",
   "socket": true,
-  "background": "systems/fvtt-cthulhu-eternal/assets/background.webp",
-  "packs": [
-  ]
+  "background": "systems/fvtt-cthulhu-eternal/assets/background.webp"
 }