diff --git a/Sources/EFLol/ChampionEntity.cs b/Sources/EFLol/ChampionEntity.cs
index b23a534..7cdd4da 100644
--- a/Sources/EFLol/ChampionEntity.cs
+++ b/Sources/EFLol/ChampionEntity.cs
@@ -18,6 +18,6 @@ namespace EFLol
 		//public LargeImage Image { get; set; }
 		//public ReadOnlyDictionary<string, int> Characteristics { get; private set; }
 		//private HashSet<Skill> skills = new HashSet<Skill>();
-		public ReadOnlyCollection<SkinEntity> Skins { get; set; }
+		public Collection<SkinEntity> Skins { get; set; }
 	}
 }
diff --git a/Sources/EFLol/MyDbContext.cs b/Sources/EFLol/MyDbContext.cs
index 17ad759..8735e18 100644
--- a/Sources/EFLol/MyDbContext.cs
+++ b/Sources/EFLol/MyDbContext.cs
@@ -11,6 +11,7 @@ namespace EFLol
 	{
 		public DbSet<ChampionEntity> Champions { get; set; }
 		public DbSet<SkinEntity> Skins { get; set; }
+		public DbSet<RuneEntity> Runes { get; set; }
 
 		public MyDbContext()
 		{ }
@@ -32,6 +33,7 @@ namespace EFLol
 			base.OnModelCreating(modelBuilder);
 			modelBuilder.Entity<ChampionEntity>().Property(c => c.Id).ValueGeneratedOnAdd();
 			modelBuilder.Entity<SkinEntity>().Property(s => s.Id).ValueGeneratedOnAdd();
+			
 		}
 	}
 }
diff --git a/Sources/EFLol/Program.cs b/Sources/EFLol/Program.cs
index fbac836..a7a69de 100644
--- a/Sources/EFLol/Program.cs
+++ b/Sources/EFLol/Program.cs
@@ -18,14 +18,14 @@ ChampionEntity Zeus = new ChampionEntity
 {
 	Name = "Zeus",
 	Bio = "Zeus is the god of the sky",
-	Skins = new ReadOnlyCollection<SkinEntity>(new List<SkinEntity> { black, white })
+	Skins = new Collection<SkinEntity>(new List<SkinEntity> { black, white })
 
 };
 ChampionEntity Hera = new ChampionEntity
 {
 	Name = "Hera", 
 	Bio = "Hera is the goddess of marriage", 
-	Skins = new ReadOnlyCollection<SkinEntity>(new List<SkinEntity> { green }) 
+	Skins = new Collection<SkinEntity>(new List<SkinEntity> { green }) 
 
 };
 ChampionEntity Poseidon = new ChampionEntity { Name = "Poseidon", Bio = "Poseidon is the god of the sea" };
@@ -34,7 +34,6 @@ ChampionEntity Poseidon = new ChampionEntity { Name = "Poseidon", Bio = "Poseido
 
 using (var context = new MyDbContext())
 {
-	// Crée des champions et les insère dans la base
 	Console.WriteLine("Creates and inserts new Champions");
 	context.Add(Zeus);
 	context.Add(Hera);
@@ -47,12 +46,11 @@ using (var context = new MyDbContext())
 {
 	foreach (var n in context.Champions)
 	{
-		// Use LINQ to display the skins for each champion
-		var skins = from s in context.Skins
-					where n.Id == s.Id
-					select s;
+		// LINQ to select the skins of the current champion
+		var skins = context.Champions.Where(c => c.Id == n.Id).SelectMany(c => c.Skins);
 
-		Console.WriteLine($"Champion n°{n.Id} - {n.Name}");
+		// Display the champion and its skins
+		Console.WriteLine($"Champion n°{n.Id} - {n.Name} : {skins.Count()} skins");
 	}
 	context.SaveChanges();
 }
diff --git a/Sources/EFLol/RuneEntity.cs b/Sources/EFLol/RuneEntity.cs
new file mode 100644
index 0000000..3f099dc
--- /dev/null
+++ b/Sources/EFLol/RuneEntity.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EFLol
+{
+	public class RuneEntity
+	{
+		public int Id { get; set; }
+		public string Name { get; set; }
+		public string Description { get; set; }
+		//public RuneFamily Family { get; set; }
+		//public string Icon { get; set; }
+		//public string Image { get; set; }
+		
+	}
+}