diff --git a/src/interfacce/Eroe.java b/src/interfacce/Eroe.java
index a2dad5e..8c2ba47 100644
--- a/src/interfacce/Eroe.java
+++ b/src/interfacce/Eroe.java
@@ -8,6 +8,18 @@ package interfacce;
  *
  * @author Verde
  */
-public class Eroe {
+public class Eroe implements Umano {
+    protected int forza = 15;
 
+    public Eroe() {
+        
+    }
+
+    public String getForza() {
+        return "Forza rimanente: " + this.forza;
+    }
+
+    public void combatti() {
+        this.forza -= 3;
+    }
 }
\ No newline at end of file
diff --git a/src/interfacce/Giochiamo.java b/src/interfacce/Giochiamo.java
new file mode 100644
index 0000000..07fe163
--- /dev/null
+++ b/src/interfacce/Giochiamo.java
@@ -0,0 +1,46 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Main.java to edit this template
+ */
+package interfacce;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+/**
+ *
+ * @author Verde
+ */
+public class Giochiamo {
+
+    /**
+     * @param args the command line arguments
+     */
+
+    static Scanner sc = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        Eroe eroe = new Eroe();
+        Vampiro vampiro = new Vampiro();
+        Licantropo licantropo = new Licantropo(true);
+
+        eroe.combatti();
+        eroe.combatti();
+        eroe.combatti();
+
+        vampiro.azzanna();
+
+        licantropo.azzanna();
+        licantropo.azzanna();
+
+        System.out.println("Eroe: " + eroe.getForza());
+        System.out.println("Vampiro: " + vampiro.getForza());
+        System.out.println(licantropo.getForza());
+        pausa();
+    }
+
+    public static void pausa() {
+        System.out.println("Premere un tasto per continuare. . .");
+        sc.nextLine();
+    }
+}
diff --git a/src/interfacce/Licantropo.java b/src/interfacce/Licantropo.java
index 54f24a2..a73380f 100644
--- a/src/interfacce/Licantropo.java
+++ b/src/interfacce/Licantropo.java
@@ -8,6 +8,37 @@ package interfacce;
  *
  * @author Verde
  */
-public class Licantropo {
+public class Licantropo implements Mostro, Umano{
+    private boolean isUomo;
 
+    protected int forzaUmano;
+    protected int forzaMostro;
+    
+    public Licantropo(boolean luna) {
+        isUomo = !luna;
+        if (luna) {
+            forzaMostro = 15;
+            forzaUmano = 0;
+        } else {
+            forzaMostro = 0;
+            forzaUmano = 15;
+        }
+    }
+    
+    public String getForza() {
+        return "Forza rimanente come umano: " + forzaUmano +
+                "\nForza rimanente come mostro: " + forzaMostro;
+    }
+
+    public void azzanna() {
+        if (!isUomo) {
+            forzaMostro -= 2;
+        }
+    }
+
+    public void combatti() {
+        if (isUomo) {
+            forzaUmano -= 3;
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/interfacce/Mostro.java b/src/interfacce/Mostro.java
index d60d341..9546645 100644
--- a/src/interfacce/Mostro.java
+++ b/src/interfacce/Mostro.java
@@ -8,6 +8,6 @@ package interfacce;
  *
  * @author Verde
  */
-public interface Mostro {
-
+public interface Mostro extends Personaggio {
+    public void azzanna();
 }
\ No newline at end of file
diff --git a/src/interfacce/Personaggio.java b/src/interfacce/Personaggio.java
index 72e1730..e9c5882 100644
--- a/src/interfacce/Personaggio.java
+++ b/src/interfacce/Personaggio.java
@@ -8,6 +8,6 @@ package interfacce;
  *
  * @author Verde
  */
-public interface  {
-
+public interface Personaggio {
+    public String getForza();
 }
\ No newline at end of file
diff --git a/src/interfacce/Umano.java b/src/interfacce/Umano.java
index 9a8673b..99e1a79 100644
--- a/src/interfacce/Umano.java
+++ b/src/interfacce/Umano.java
@@ -8,6 +8,6 @@ package interfacce;
  *
  * @author Verde
  */
-public interface Umano {
-
+public interface Umano extends Personaggio {
+    public void combatti();
 }
\ No newline at end of file
diff --git a/src/interfacce/Vampiro.java b/src/interfacce/Vampiro.java
index 7690c8d..fca1edb 100644
--- a/src/interfacce/Vampiro.java
+++ b/src/interfacce/Vampiro.java
@@ -8,6 +8,17 @@ package interfacce;
  *
  * @author Verde
  */
-public class Vampiro {
+public class Vampiro implements Mostro {
+    protected int forza;
 
+    public Vampiro() {
+    }
+
+    public String getForza() {
+        return "Forza rimanente: " + this.forza;
+    }
+
+    public void azzanna() {
+        this.forza -= 2;
+    }
 }
\ No newline at end of file
diff --git a/src/interfacce/interfacce.java b/src/interfacce/interfacce.java
deleted file mode 100644
index 3718ec9..0000000
--- a/src/interfacce/interfacce.java
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
- * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Main.java to edit this template
- */
-package interfacce;
-
-import java.util.InputMismatchException;
-import java.util.Scanner;
-
-/**
- *
- * @author Verde
- */
-public class interfacce {
-
-    /**
-     * @param args the command line arguments
-     */
-
-    static Scanner sc = new Scanner(System.in);
-
-    public static void main(String[] args) {
-        int scelta = -1;
-
-        do {
-            System.out.println("Scegliere un'opzione:");
-            System.out.println("1. ");
-            System.out.println("2. ");
-            System.out.println("3. ");
-            System.out.println("0. Esci");
-            System.out.print("Opzione: ");
-
-            try {
-                scelta = sc.nextInt();
-                sc.nextLine();
-
-                switch (scelta) {
-                    case 0:
-                        break;
-                    case 1:
-
-                        pausa();
-                        break;
-                    case 2:
-
-                        pausa();
-                        break;
-                    case 3:
-
-                        pausa();
-                        break;
-                    default:
-                        System.out.println("Opzione non valida.");
-                        pausa();
-                        break;
-                }
-            }
-            catch (InputMismatchException _) {
-                System.out.println("Errore: scelta non valida.");
-                pausa();
-            }
-        } while (scelta != 0);
-    }
-
-    public static void pausa() {
-        System.out.println("Premere un tasto per continuare. . .");
-        sc.nextLine();
-    }
-}