diff --git a/Sources/EFlib/EFChampion.cs b/Sources/EFlib/EFChampion.cs
index 6cc6f8a..3e9955a 100644
--- a/Sources/EFlib/EFChampion.cs
+++ b/Sources/EFlib/EFChampion.cs
@@ -2,24 +2,22 @@
 using Model;
 using System.Collections.Immutable;
 using System.Collections.ObjectModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace EFlib
 {
     public class EFChampion
     {
-        // public int Id { get; set; }
-        // https://learn.microsoft.com/fr-fr/ef/core/modeling/keyless-entity-types?tabs=data-annotations
-
         /**** Only Attributs ****/
-        //[Key]
+        [Key]
         public string Name { get; set; }
-        //[MaxLength(500)]
+        [MaxLength(500)]
         public string Bio { get; set; }
         public string Icon { get; set; }
         public ReadOnlyDictionary<string, int> Characteristics { get; private set; }
         public EFChampionClass Class { get; set; }
         public ReadOnlyCollection<EFSkin> Skins { get; private set; }
-        public ImmutableHashSet<Skill> Skills { get; private set; }
+        public ImmutableHashSet<EFSkill> Skills { get; private set; }
         public LargeImage Image { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Sources/EFlib/EFChampionClass.cs b/Sources/EFlib/EFChampionClass.cs
index ebdd17a..a140f9b 100644
--- a/Sources/EFlib/EFChampionClass.cs
+++ b/Sources/EFlib/EFChampionClass.cs
@@ -12,7 +12,7 @@ namespace EFlib
     public class EFChampionClass
     {
         [Key]
-        [ForeignKey("ChampionEntity")]
+        [ForeignKey("EFChampion")]
         public int Id { get; set; }
         public ChampionClass Class { get; set; }
     }
diff --git a/Sources/EFlib/Migrations/20230209074746_MyMigration.Designer.cs b/Sources/EFlib/Migrations/20230209074746_MyMigration.Designer.cs
deleted file mode 100644
index fe24406..0000000
--- a/Sources/EFlib/Migrations/20230209074746_MyMigration.Designer.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// <auto-generated />
-using EFlib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace EFlib.Migrations
-{
-    [DbContext(typeof(SQLiteContext))]
-    [Migration("20230209074746_MyMigration")]
-    partial class MyMigration
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "7.0.2");
-
-            modelBuilder.Entity("EFlib.EFChampion", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Bio")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Icon")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Champions");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/Sources/EFlib/Migrations/20230209074746_MyMigration.cs b/Sources/EFlib/Migrations/20230209074746_MyMigration.cs
deleted file mode 100644
index 89fd4fc..0000000
--- a/Sources/EFlib/Migrations/20230209074746_MyMigration.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace EFlib.Migrations
-{
-    /// <inheritdoc />
-    public partial class MyMigration : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "Champions",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    Name = table.Column<string>(type: "TEXT", nullable: false),
-                    Bio = table.Column<string>(type: "TEXT", nullable: false),
-                    Icon = table.Column<string>(type: "TEXT", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Champions", x => x.Id);
-                });
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "Champions");
-        }
-    }
-}
diff --git a/Sources/EFlib/Migrations/SQLiteContextModelSnapshot.cs b/Sources/EFlib/Migrations/SQLiteContextModelSnapshot.cs
deleted file mode 100644
index e01ab0f..0000000
--- a/Sources/EFlib/Migrations/SQLiteContextModelSnapshot.cs
+++ /dev/null
@@ -1,44 +0,0 @@
-// <auto-generated />
-using EFlib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace EFlib.Migrations
-{
-    [DbContext(typeof(SQLiteContext))]
-    partial class SQLiteContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "7.0.2");
-
-            modelBuilder.Entity("EFlib.EFChampion", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Bio")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Icon")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Champions");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/Sources/EFlib/projet.dbloulou.db b/Sources/EFlib/projet.dbloulou.db
deleted file mode 100644
index 81497ee..0000000
Binary files a/Sources/EFlib/projet.dbloulou.db and /dev/null differ