diff --git a/module/actor.js b/module/actor.js
index b2354b38..0e2e31f9 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -45,7 +45,7 @@ const POSSESSION_SANS_DRACONIC = {
   name: 'Sans draconic',
   system: {
     niveau: 0,
-    defaut_carac: "reve",
+    defaut_carac: "reve-actuel",
   }
 };
 
@@ -275,12 +275,12 @@ export class RdDActor extends RdDBaseActor {
       .sort(Misc.descending(it => it.system.niveau))
       .find(it=>true);
     if (possession) {
-      return duplicate(possession);
+      return possession.clone();
     }
-    const draconics = [...this.getDraconicList().filter(it => it.system.niveau >= 0),
+    const draconics = [...this.getDraconicList().filter(it => it.system.niveau >= 0).map(it =>it.clone()),
       POSSESSION_SANS_DRACONIC]
       .sort(Misc.descending(it => it.system.niveau));
-    return duplicate(draconics[0]);
+    return draconics[0];
   }
 
   getPossession(possessionId) {
@@ -780,7 +780,7 @@ export class RdDActor extends RdDBaseActor {
   async combattreReveDeDragon(force) {
     let rollData = {
       actor: this,
-      competence: duplicate(this.getDraconicOuPossession()),
+      competence: this.getDraconicOuPossession(),
       canClose: false,
       rencontre: await game.system.rdd.rencontresTMR.getReveDeDragon(force),
       tmr: true,
@@ -2301,14 +2301,14 @@ export class RdDActor extends RdDBaseActor {
       carac: this.system.carac,
       competence: this.getCompetence(idOrName)
     }
-    if (rollData.competence.type == 'competencecreature') {
-      if (rollData.competence.system.iscombat && options.tryTarget && Targets.hasTargets()) {
+    if (rollData.competence.type == TYPES.competencecreature) {
+      const arme = RdDItemCompetenceCreature.armeCreature(rollData.competence)
+      if (arme && options.tryTarget && Targets.hasTargets()) {
         Targets.selectOneToken(target => {
-          if (rollData.competence.system.ispossession) {
+          if (arme.action == "possession") {
             RdDPossession.onAttaquePossession(target, this, rollData.competence)
           }
           else {
-            const arme = RdDItemCompetenceCreature.armeCreature(rollData.competence)
             RdDCombat.rddCombatTarget(target, this).attaque(competence, arme)
           }
         });
@@ -3135,9 +3135,7 @@ export class RdDActor extends RdDBaseActor {
 
   /* -------------------------------------------- */
   conjurerPossession(possession) {
-    // TODO: choix de la compétence de draconic ou de possession
-    let draconic = this.getDraconicOuPossession();
-    RdDPossession.onConjurerPossession(this, draconic, possession)
+    RdDPossession.onConjurerPossession(this, possession)
   }
 
   /* -------------------------------------------- */
diff --git a/module/migrations.js b/module/migrations.js
index 38216c07..5af2629b 100644
--- a/module/migrations.js
+++ b/module/migrations.js
@@ -495,6 +495,25 @@ class _10_7_19_CategorieCompetenceCreature extends Migration {
   }
 }
 
+class _10_7_19_PossessionsEntiteVictime extends Migration {
+  get code() { return "possessions-entite-victime"; }
+  get version() { return "10.7.19"; }
+
+  async migrate() {
+    await this.applyItemsUpdates(items => items
+      .filter(it => TYPES.possession == it.type)
+      .map(it => this.migratePossession(it))
+    );
+  }
+
+  migratePossession(it) {
+    return { _id: it.id,
+      'system.entite.actorid': it.system.possesseurid,
+      'system.victime.actorid': it.system.possedeid
+    }
+  }
+}
+
 export class Migrations {
   static getMigrations() {
     return [
@@ -512,6 +531,7 @@ export class Migrations {
       new _10_5_0_UpdatePeriodicite(),
       new _10_7_0_MigrationBlessures(),
       new _10_7_19_CategorieCompetenceCreature(),
+      new _10_7_19_PossessionsEntiteVictime(),
     ];
   }
 
diff --git a/module/rdd-bonus.js b/module/rdd-bonus.js
index 2cf31e25..74a03a49 100644
--- a/module/rdd-bonus.js
+++ b/module/rdd-bonus.js
@@ -1,4 +1,5 @@
 import { RdDCarac } from "./rdd-carac.js";
+import { RdDPossession } from "./rdd-possession.js";
 
 const conditionsTactiques = [
   { type: '', descr: '', dmg: 0, attaque: 0, parade: 0, esquive: true },
@@ -27,6 +28,9 @@ export class RdDBonus {
     if (rollData.isEmpoignade && rollData.rolled?.isPart) {
       return true
     }
+    if (RdDPossession.isDefensePossession(rollData)) {
+      return RdDPossession.isPossessionFinesse(rollData)
+    }
     return rollData.attackerRoll?.particuliere == 'finesse';
   }
 
@@ -74,7 +78,7 @@ export class RdDBonus {
 
   /* -------------------------------------------- */
   static _dmgArme(rollData) {
-    if ( rollData.arme) {
+    if (rollData.arme) {
       let dmgBase = rollData.arme.system.dommagesReels ?? Number(rollData.arme.system.dommages ?? 0);
       //Le bonus dégats magiques ne peut pas faire dépasser le bonus de l'arme (cf p.278)
       return dmgBase + Math.min(dmgBase, rollData.arme.system.magique ? rollData.arme.system.ecaille_efficacite : 0);
diff --git a/module/rdd-possession.js b/module/rdd-possession.js
index ed028d41..06bee19c 100644
--- a/module/rdd-possession.js
+++ b/module/rdd-possession.js
@@ -1,9 +1,9 @@
 /* -------------------------------------------- */
-import { RdDCombat } from "./rdd-combat.js";
 import { RdDResolutionTable } from "./rdd-resolution-table.js";
 import { RdDRoll } from "./rdd-roll.js";
 import { RdDItemCompetenceCreature } from "./item-competencecreature.js";
 import { Targets } from "./targets.js";
+import { TYPES } from "./item.js";
 
 /* -------------------------------------------- */
 /* On part du principe qu'une entité démarre tjs 
@@ -20,9 +20,9 @@ export class RdDPossession {
 
   /* -------------------------------------------- */
   static searchPossessionFromEntite(attacker, defender) {
-    let poss = attacker.items.find(poss => poss.type == 'possession' && poss.system.possedeid == defender.id);
+    let poss = attacker.items.find(poss => poss.type == TYPES.possession && poss.system.victime.actorid == defender.id);
     if (!poss) {
-      poss = defender.items.find(poss => poss.type == 'possession' && poss.system.possedeid == defender.id);
+      poss = defender.items.find(poss => poss.type == TYPES.possession && poss.system.victime.actorid == defender.id);
     }
     return poss && duplicate(poss) || undefined;
   }
@@ -31,13 +31,13 @@ export class RdDPossession {
   static async onAttaquePossession(target, attacker, competence, suitePossession = undefined) {
     const defender = target.actor;
     const fromEntite = RdDPossession.searchPossessionFromEntite(attacker, defender);
-    const isNouvelle = !suitePossession && ! fromEntite;
+    const isNouvelle = !suitePossession && !fromEntite;
     const possession = (suitePossession ?? fromEntite ?? (await RdDPossession.createPossession(attacker, defender)));
-    
+
     RdDPossession.$updateEtatPossession(possession)
 
     let rollData = {
-      mode: "possession",
+      mode: "attaque",
       isECNIDefender: false,
       competence: competence.clone(),
       possession: possession,
@@ -45,25 +45,26 @@ export class RdDPossession {
       defender: defender,
       targetToken: Targets.extractTokenData(target)
     };
-    if (attacker.isCreatureEntite()) {
-      RdDItemCompetenceCreature.setRollDataCreature(rollData)
-    }
-    
+    RdDPossession.selectCompetenceDraconicOuPossession(rollData, attacker)
+
     await RdDPossession.$rollAttaquePossession(attacker, rollData, isNouvelle);
   }
-  
+
   /* -------------------------------------------- */
-  static async onConjurerPossession(attacker, competence, possession) {
+  static async onConjurerPossession(attacker, possession) {
     possession = duplicate(possession);
     RdDPossession.$updateEtatPossession(possession)
+
+    const defender = game.actors.get(possession.system.entite.actorid);
     let rollData = {
-      mode: "possession",
+      mode: "attaque",
       isECNIDefender: true,
-      competence: competence,
       possession: possession,
       attacker: attacker,
-      defender: game.actors.get(possession.system.possesseurid)
+      defender: defender,
     };
+    RdDPossession.selectCompetenceDraconicOuPossession(rollData, attacker)
+
     await RdDPossession.$rollAttaquePossession(attacker, rollData);
   }
 
@@ -71,7 +72,7 @@ export class RdDPossession {
   static async onDefensePossession(attackerId, defenderId, possessionId) {
     let attacker = game.actors.get(attackerId)
     let possession = attacker?.getPossession(possessionId)
-    defenderId = defenderId ?? possession?.system.possesseurid ?? undefined
+    defenderId = defenderId ?? possession?.system.entite.actorid ?? undefined
     let defender = game.actors.get(defenderId)
     possession = possession ?? defender?.getPossession(possessionId) ?? undefined;
 
@@ -82,19 +83,29 @@ export class RdDPossession {
     possession = duplicate(possession)
     // Update for draconic roll
     let rollData = {
-      mode: "conjuration",
+      mode: "defense",
       isECNIDefender: defender.type == "entite",
       possession: possession,
       attacker: attacker,
       defender: defender,
-      competence: defender.getDraconicOuPossession(),
-      selectedCarac: defender.system.carac.reve,
-      forceCarac: { 'reve-actuel': { label: "Rêve Actuel", value: defender.getReveActuel() } }
     }
-    rollData.competence.system.defaut_carac = 'reve-actuel'
-
+    RdDPossession.selectCompetenceDraconicOuPossession(rollData, defender)
+    rollData.diffLibre = RdDPossession.getInfoAttaque(rollData).diffLibre
+    
     await RdDPossession.$rollDefensePossession(defender, rollData);
   }
+  
+  static selectCompetenceDraconicOuPossession(rollData, rollingActor) {
+    rollData.competence = rollingActor.getDraconicOuPossession();
+    if (rollingActor.isCreatureEntite()) {
+      RdDItemCompetenceCreature.setRollDataCreature(rollData)
+    }
+    else {
+      rollData.selectedCarac = rollingActor.system.carac.reve
+      rollData.forceCarac = { 'reve-actuel': { label: "Rêve Actuel", value: rollingActor.getReveActuel() } }
+      rollData.competence.system.defaut_carac = 'reve-actuel'
+    }
+  }
 
   /* -------------------------------------------- */
   static async $rollAttaquePossession(attacker, rollData, isNouvelle = false) {
@@ -104,21 +115,22 @@ export class RdDPossession {
         name: 'jet-possession',
         label: rollData.isECNIDefender ? 'Conjurer la possession' : 'Possession',
         callbacks: [
-          { condition: r => (r.rolled.isSuccess), action: async (r) => await RdDPossession.$onRollPossession(r, true, isNouvelle) },
-          { condition: r => (r.rolled.isEchec), action: async (r) => await RdDPossession.$onRollPossession(r, false, isNouvelle) },
+          { action: async (r) => await RdDPossession.$onRollPossession(r, isNouvelle) },
         ]
       });
-      dialog.render(true);
+    dialog.render(true);
   }
 
   /* -------------------------------------------- */
-  static async $onRollPossession(rollData, isSuccess, isNouvelle = false) {
-    rollData.possession.isSuccess = isSuccess;
-    RdDPossession.$updateEtatPossession(rollData.possession);
+  static async $onRollPossession(rollData, isNouvelle = false) {
+    rollData.possession.isSuccess = rollData.rolled.isSuccess;
+    RdDPossession.$updateEtatPossession(rollData.possession, rollData);
     if (isNouvelle) {
       // Creer la possession sur le defenseur
-      rollData.defender.createEmbeddedDocuments('Item', [rollData.possession.toObject()])
+      await rollData.defender.createEmbeddedDocuments('Item', [rollData.possession.toObject()])
     }
+    const possession = (rollData.isECNIDefender ? rollData.attacker : rollData.defender).getPossession(rollData.possession.system.possessionid)
+    RdDPossession.storePossessionAttaque(possession, rollData)
     await RdDResolutionTable.displayRollData(rollData, rollData.attacker, 'chat-resultat-possession.html');
   }
 
@@ -131,31 +143,38 @@ export class RdDPossession {
         label: 'Conjurer une Possession',
         callbacks: [
           { action: async (r) => await RdDPossession.$onRollConjuration(r) }
-        ]  
-      }  
-    );  
+        ]
+      }
+    );
     dialog.render(true);
-  }  
+  }
 
   /* -------------------------------------------- */
   static async $onRollConjuration(rollData) {
-    let actor = game.actors.get(rollData.possession.system.possedeid)
+    let victime = game.actors.get(rollData.possession.system.victime.actorid)
+    let compteur = rollData.possession.system.compteur
     if (!rollData.rolled.isSuccess) {
       if (rollData.isECNIDefender) {
-        rollData.possession.system.compteur--
+        compteur--
       } else {
-        rollData.possession.system.compteur++
+        compteur++
       }
-      let update = { _id: rollData.possession._id, "system.compteur": rollData.possession.system.compteur }
-      await actor.updateEmbeddedDocuments('Item', [update])
     }
-
+    const possession = victime.getPossession(rollData.possession.system.possessionid)
+    await possession.update({
+      system: {
+        compteur: compteur,
+        entite: { diffLibre: 0, finesse: false },
+        victime: { diffLibre: 0, finesse: false }
+      }
+    })
+    rollData.possession = possession
     RdDPossession.$updateEtatPossession(rollData.possession)
 
-    await RdDResolutionTable.displayRollData(rollData,rollData.defender, 'chat-resultat-possession.html')
+    await RdDResolutionTable.displayRollData(rollData, rollData.defender, 'chat-resultat-possession.html')
     if (rollData.possession.isPosseder || rollData.possession.isConjurer) {
       // conjuration
-      actor.deleteEmbeddedDocuments("Item", [rollData.possession._id])
+      victime.deleteEmbeddedDocuments("Item", [rollData.possession._id])
     }
   }
 
@@ -180,13 +199,43 @@ export class RdDPossession {
     }
   }
 
+  /* -------------------------------------------- */
+  static isPossessionFinesse(rollData) {
+    return RdDPossession.getInfoAttaque(rollData).finesse
+  }
+  /* -------------------------------------------- */
+  static getInfoAttaque(rollData) {
+    return rollData.possession.system[rollData.isECNIDefender ? 'victime' : 'entite'];
+  }
+  /* -------------------------------------------- */
+  static isDefensePossession(rollData) {
+    return rollData.possession && rollData.mode == "defense"
+  }
+  /* -------------------------------------------- */
+  static storePossessionAttaque(possession, rollData = undefined) {
+    const attaquant = rollData?.isECNIDefender ? 'victime' : 'entite'
+    possession.update({
+      [`system.${attaquant}`]: {
+        diffLibre: rollData?.diffLibre ?? 0,
+        finesse: rollData?.rolled.isPart ?? false
+      }
+    })
+  }
+
   /* -------------------------------------------- */
   static async createPossession(attacker, defender) {
     return await Item.create({
-        name: "Possession en cours de " + attacker.name, type: 'possession',
-        img: "systems/foundryvtt-reve-de-dragon/icons/entites/possession2.webp",
-        system: { description: "", typepossession: attacker.name, possede: false, possessionid: randomID(16), possesseurid: attacker.id, possedeid: defender.id, date: 0, compteur: 0 }
-      },
+      name: "Possession en cours de " + attacker.name, type: 'possession',
+      img: "systems/foundryvtt-reve-de-dragon/icons/entites/possession2.webp",
+      system: {
+        description: "", typepossession: attacker.name,
+        possede: false,
+        possessionid: randomID(16),
+        entite: { actorid: attacker.id },
+        victime: { actorid: defender.id },
+        compteur: 0
+      }
+    },
       {
         temporary: true
       })
diff --git a/module/rdd-token-hud.js b/module/rdd-token-hud.js
index c5e5972a..cbefeab8 100644
--- a/module/rdd-token-hud.js
+++ b/module/rdd-token-hud.js
@@ -75,8 +75,8 @@ export class RdDTokenHud {
       (event) => {
         const actionIndex = event.currentTarget.attributes['data-action-index']?.value;
         const action = hudData.actions[actionIndex];
-        if (action.action == 'possession') {
-          const possession = combatant.actor.getPossession(action.system.possessionid);
+        const possession = action.action == 'possession' ? combatant.actor.getPossession(action.system.possessionid) : undefined;
+        if (possession) {
           combatant.actor.conjurerPossession(possession);
         }
         else {
diff --git a/module/rolldata-ajustements.js b/module/rolldata-ajustements.js
index 71879f2a..a141cae0 100644
--- a/module/rolldata-ajustements.js
+++ b/module/rolldata-ajustements.js
@@ -5,6 +5,7 @@ import { RdDItemSort } from "./item-sort.js";
 import { Misc } from "./misc.js";
 import { RdDBonus } from "./rdd-bonus.js";
 import { RdDCarac } from "./rdd-carac.js";
+import { RdDPossession } from "./rdd-possession.js";
 import { RdDUtility } from "./rdd-utility.js";
 import { ReglesOptionelles } from "./settings/regles-optionelles.js";
 
@@ -30,7 +31,7 @@ export const referenceAjustements = {
   },
   diffLibre: {
     isUsed: (rollData, actor) => rollData.diffLibre != undefined,
-    getLabel: (rollData, actor) => rollData.selectedSort?.name ?? rollData.attackerRoll ? 'Imposée' : 'Libre',
+    getLabel: (rollData, actor) => rollData.selectedSort?.name ?? rollData.attackerRoll ?? RdDPossession.isDefensePossession(rollData) ? 'Imposée' : 'Libre',
     getValue: (rollData, actor) => rollData.selectedSort
       ? RdDItemSort.getDifficulte(rollData.selectedSort, rollData.diffLibre)
       : rollData.diffLibre ?? rollData.competence?.system.default_diffLibre ?? 0
diff --git a/template.json b/template.json
index 7b4e0b49..470190bf 100644
--- a/template.json
+++ b/template.json
@@ -611,10 +611,17 @@
       "typepossession": "",
       "possede": false,
       "possessionid": "",
-      "possesseurid": "",
-      "possedeid": "",
-      "compteur": 0,
-      "date": 0
+      "entite": {
+        "actorid": "",
+        "diffLibre": 0,
+        "finesse": false 
+      },
+      "victime": {
+        "actorid": "",
+        "diffLibre": 0,
+        "finesse": false 
+      },
+      "compteur": 0
     },
     "blessure": {
       "templates": ["temporel"],
diff --git a/templates/chat-resultat-possession.html b/templates/chat-resultat-possession.html
index af440f0d..1a647f40 100644
--- a/templates/chat-resultat-possession.html
+++ b/templates/chat-resultat-possession.html
@@ -1,6 +1,6 @@
 <img class="chat-icon" src="{{competence.img}}" />
 <h4>
-  {{#if (eq mode "possession")}}
+  {{#if (eq mode "attaque")}}
     {{attacker.name}} tente de {{#if isECNIDefender}}conjurer la possession de{{else}}posséder{{/if}} {{defender.name}}
   {{else}}
     {{defender.name}} tente de {{#if isECNIDefender}}résister à{{else}}conjurer la possession de{{/if}} {{attacker.name}}
@@ -12,7 +12,7 @@
 <div>
   <span class='chat-card-button-area'>
     <br>
-    {{#if (eq mode "possession")}}
+    {{#if (eq mode "attaque")}}
       {{#if possession.isSuccess}}
         <a class='defense-possession chat-card-button'
             data-attackerId='{{attacker.id}}'