diff --git a/.gitignore b/.gitignore
index ed8ebf5..45bb9df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-__pycache__
\ No newline at end of file
+__pycache__
+jeu.db
\ No newline at end of file
diff --git a/game/core.py b/game/core.py
index b18b946..757c545 100644
--- a/game/core.py
+++ b/game/core.py
@@ -10,16 +10,17 @@ class Game:
         self.ennemy = None
 
     def late_init(self):
-        self.personnage = Personnage(" ", "Guerrier", "player")
+        self.personnage = Personnage("a", "Guerrier", "player")
         self.ennemy = self.rand_ennemy()
 
     def rand_ennemy(self):
         classes = ["Guerrier", "Magicien", "Voleur", "Elfe"]
-        noms = ["Bill Gates", "Dark Vador", "Gargamel", "G-Man"]
+        noms = ["Bill Gates", "Dark Vador", "Gargamel", "Arthur"]
         return Personnage(noms[randint(0, 3)], classes[randint(0, 3)], "OPPONENT")
 
     def init_personnage(self, nom, class_type):
         self.personnage = Personnage(nom, class_type, "PLAYER")
+        self.ennemy = self.rand_ennemy()
 
     def attack(self, attacker, victim):
         atk_jet = attacker.jet_attaque()
@@ -34,7 +35,10 @@ class Game:
         if self.personnage.get_pdv() == 0:
             for i in range(50):
                 PopUp(1, "Vous avez perdu! Relancez le jeu pour continuer...", True)
+                self.ennemy.db_erase()
+                self.personnage.db_erase()
         if self.ennemy.get_pdv() == 0:
+            self.ennemy.db_erase()
             self.ennemy = self.rand_ennemy()
 
             potions = ""
@@ -46,7 +50,6 @@ class Game:
                 if len(inv) > 3:
                     maxpot = 6-len(inv)
                 for i in range(randint(0, maxpot)):
-                    random = randint(5, 25)
                     inv.append(Material.POTION)
                     potions += f"- Potion de 10HP\n"
 
diff --git a/game/personnage.py b/game/personnage.py
index 63aa8e1..b7d45e8 100644
--- a/game/personnage.py
+++ b/game/personnage.py
@@ -1,7 +1,7 @@
 from random import randint
 from graphics.layers import Sprite
 
-import util.sqlite as sqlite
+from util.sqlite import Connection
 
 class Material:
     POTION = "POTION"
@@ -10,38 +10,59 @@ class Material:
     DAGUE = "DAGUE"
     ARC = "ARC"
 
+#TODO: inventaire mysql
+class Inventaire:
+    def __init__(self, id, item):
+        self._id = id
+        
+
+    def append(self, item):
+        conn = Connection()
+        conn.db.execute("INSERT INTO inventaire (personnage_id, nom) VALUES (?, ?);", (self._id, item))
+        conn.db.execute("SELECT last_insert_rowid();")
+        self._id = conn.db.fetchone()[0]
+        conn.close()
+
 class Personnage:
     def __init__(self, nom, cat, personnage_type):
-        #self.nom = nom
-        #self.__pdv = 20
-        #self.__exp = 1
-        #self.cat = cat
         expcoef = None
+        item = None
         if cat == "Guerrier":
-            #self.inventaire = [Material.EPEE, Material.POTION]
+            item = Material.EPEE
             expcoef = 10
         elif cat == "Magicien":
-            #self.inventaire = [Material.BATON, Material.POTION]
+            item = Material.BATON
             expcoef = 10
         elif cat == "Voleur":
-            #self.inventaire = [Material.DAGUE, Material.POTION]
+            item = Material.DAGUE
             expcoef = 3
         elif cat == "Elfe":
-            #self.inventaire = [Material.ARC, Material.POTION]
+            item = Material.ARC
             expcoef = 8
 
-        sqlite.db.execute(
-            """INSERT INTO personnages (nom, pdv, exp, cat, expcoef) VALUES (?, ?, ?, ?, ?);""",
-            (nom, 20, 1, cat, expcoef)
-        )
-        sqlite.db.execute("SELECT last_insert_rowid();")
-        self._id = sqlite.db.fetchone()[0]
+        conn = Connection()
+        conn.db.execute(f"INSERT INTO personnages (nom, pdv, exp, cat, expcoef) VALUES (?,?,?,?,?);", (nom, 20, 1, cat, expcoef))
+        conn.commit()
+        conn.db.execute("SELECT last_insert_rowid();")
+        self._id = conn.db.fetchone()[0]
+        conn.close()
 
+        self.inventaire = Inventaire(self._id, item)
         Sprite(3, cat, personnage_type)
+
+    def db_erase(self):
+        conn = Connection()
+        conn.db.execute("DELETE FROM personnages WHERE id=?;", (self._id,))
+        conn.close()
+
+    
     
     def __select_value(self, value):
-        sqlite.db.execute("SELECT ? FROM personnages WHERE id=?", (value, self._id))
-        return sqlite.db.fetchone()
+        conn = Connection()
+        conn.db.execute("SELECT "+value+" FROM personnages WHERE id=?;", (self._id,))
+        value = conn.db.fetchone()
+        conn.close()
+        return value[0] if value is not None else None
 
     def get_nom(self):
         return self.__select_value("nom")
@@ -55,27 +76,41 @@ class Personnage:
         return self.__select_value("expcoef")
 
     def set_nom(self, v):
-        Connection.db.execute(f"UPDATE personnages SET nom=? WHERE id={self.id}", v)
+        conn = Connection()
+        conn.db.execute("UPDATE personnages SET nom=? WHERE id=?;", (v, self._id))
+        conn.close()
+
     def change_pdv(self, v):
-        Connection.db.execute(f"UPDATE personnages SET pdv = CASE WHEN pdv - {v} < 0 THEN 0 ELSE {v} END WHERE id={self.id}")
+        conn = Connection()
+        conn.db.execute("UPDATE personnages SET pdv = CASE WHEN pdv - ? <= 0 THEN 0 ELSE pdv - ? END WHERE id=?;", (v, v, self._id))
+        conn.close()
+
     def change_exp(self, v):
+        conn = Connection()
         if v > 0:
-            Connection.db.execute(f"UPDATE personnages SET exp=exp+? WHERE id={self.id}", v)
+            conn.db.execute("UPDATE personnages SET exp=exp+? WHERE id=?;", (v, self._id))
         else:
             raise ValueError("v attends un nombre positif")
+        conn.close()
+        
     def set_cat(self, v):
-        Connection.db.execute(f"UPDATE personnages SET cat=? WHERE id={self.id}", v)
+        conn = Connection()
+        conn.db.execute("UPDATE personnages SET cat=? WHERE id=?;", (v, self._id))
+        conn.close()
+
     def set_expcoef(self, v):
-        Connection.db.execute(f"UPDATE personnages SET expcoef=? WHERE id={self.id}", v)
+        conn = Connection()
+        conn.db.execute("UPDATE personnages SET expcoef=? WHERE id=?;", (v, self._id))
+        conn.close()
 
     def jet_attaque(self):
         damage = randint(1, 20)
-        self.change_exp(self.get_expcoef() * self.get_exp())
+        self.change_exp(self.get_expcoef())
         return damage
 
     def jet_defense(self):
         damage = randint(1, 20)
-        self.change_exp(self.get_expcoef() * self.get_exp())
+        self.change_exp(self.get_expcoef())
         return damage
 
     def affiche_caracteristiques(self):
@@ -87,4 +122,4 @@ class Personnage:
         )
 
     def affiche_inventaire(self):
-        return ["- "+item for item in self.inventaire]
\ No newline at end of file
+        return ["- "+item for item in self.inventaire]
diff --git a/graphics/engine.py b/graphics/engine.py
index f2bdbc5..9ee7dc6 100644
--- a/graphics/engine.py
+++ b/graphics/engine.py
@@ -17,7 +17,7 @@ class Screen:
         self.__layers = {}
         self.handlers = []
         
-        game.late_init()
+        #game.late_init()
         self.game = game
 
     def set_layer(self, layer):
diff --git a/graphics/layers.py b/graphics/layers.py
index c3b6720..258e94a 100644
--- a/graphics/layers.py
+++ b/graphics/layers.py
@@ -25,14 +25,17 @@ class GUI(Layer):
                 color = (Colors.REDBG, Colors.BLACK) if self.__buttons[self.__current] == button else (Colors.WHITEBG, Colors.BLACK)
                 self.put_string(button, x, self.y-10, color)
                 x += len(button)+1
-
-            stats = Screen.instance.game.personnage.affiche_caracteristiques()
-            for i in range(5):
-                self.put_string(stats[i], 1, self.y-8+i, [Colors.RED2])
-
-            ennemy_stats = Screen.instance.game.ennemy.affiche_caracteristiques()
-            for i in range(5):
-                self.put_string(ennemy_stats[i], self.x-(self.x-2)//3, self.y-8+i, [Colors.BLUE2])
+            personnage = Screen.instance.game.personnage
+            if personnage is not None:
+                stats = personnage.affiche_caracteristiques()
+                for i in range(5):
+                    self.put_string(stats[i], 1, self.y-8+i, [Colors.RED2])
+
+            ennemy = Screen.instance.game.ennemy
+            if ennemy is not None:
+                ennemy_stats = ennemy.affiche_caracteristiques()
+                for i in range(5):
+                    self.put_string(ennemy_stats[i], self.x-(self.x-2)//3, self.y-8+i, [Colors.BLUE2])
         
         else:
             x = 1
diff --git a/jeu.db b/jeu.db
index 6f2aafc..44e1e03 100644
Binary files a/jeu.db and b/jeu.db differ
diff --git a/main.py b/main.py
index fd84627..69ecb7e 100644
--- a/main.py
+++ b/main.py
@@ -5,22 +5,31 @@ import graphics.layers as layers
 from graphics.engine import Screen
 import graphics.key_listener as listener
 
-import util.sqlite as sqlite
+from util.sqlite import Connection
 
 from time import sleep
 
 if __name__ == "__main__":
-    sqlite.build_thread().start()
-    sqlite.db.execute(
+    conn = Connection()
+    conn.db.execute(
         """CREATE TABLE IF NOT EXISTS personnages (
-            id INT IDENTITY(1,1) PRIMARY KEY,
-            nom VARCHAR(20) NOT NULL,
-            pdv INT NOT NULL,
-            exp INT NOT NULL,
-            cat VARCHAR(20) NOT NULL,
-            expcoef INT NOT NULL
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            nom VARCHAR(50) NOT NULL,
+            pdv INTEGER     NOT NULL,
+            exp INTEGER     NOT NULL,
+            cat VARCHAR(50) NOT NULL,
+            expcoef INTEGER NOT NULL
         )""")
 
+    conn.db.execute(
+        """CREATE TABLE IF NOT EXISTS inventaire (
+            personnage_id INTEGER PRIMARY KEY,
+            slot INTEGER PRIMARY KEY AUTOINCREMENT,
+            nom VARCHAR(50) NOT NULL,
+            FOREIGN KEY(personnage_id) REFERENCES personnages(id)
+        )""")
+    conn.close()
+
     #Initialise la partie graphique
     game = Game()
     screen = Screen(game)
diff --git a/util/sqlite.py b/util/sqlite.py
index 88d011b..b58f84f 100644
--- a/util/sqlite.py
+++ b/util/sqlite.py
@@ -1,12 +1,14 @@
 import sqlite3
-from threading import Thread
 
-conn = None
-db = None
+class Connection():
 
-def __listener():
-    conn = sqlite3.connect("jeu.db")
-    db = conn.cursor()
+    def __init__(self):
+        self._conn = sqlite3.connect("jeu.db")
+        self.db = self._conn.cursor()
 
-def build_thread():
-    return Thread(target=__listener)
+    def commit(self):
+        self._conn.commit()
+
+    def close(self):
+        self.commit()
+        self._conn.close()