diff --git a/src/viking.js b/src/viking.js
index 9017bfc8a..da3790e77 100755
--- a/src/viking.js
+++ b/src/viking.js
@@ -1,11 +1,170 @@
-// Soldier
-class Soldier {}
+//Soldier
+class Soldier {
+    constructor(health, strength) {
+      this.health = health;
+      this.strength = strength;
+    }
+  
+    attack() {
+      return this.strength;
+    }
+  
+    receiveDamage(damage) {
+      this.health -= damage;
+    }
+  }
+  
+  //Viking
+  class Viking extends Soldier {
+    constructor(name, health, strength) {
+      super(health, strength);
+      this.name = name;
+    }
+  
+    receiveDamage(damage) {
+      this.health -= damage;
+      if (this.health > 0) {
+        return `${this.name} ha recibido ${damage} puntos de daño`;
+      } else {
+        return `${this.name} ha muerto en acto de combate`;
+      }
+    }
+  
+    battleCry() {
+      return "¡Odin es dueño de todos ustedes!";
+    }
+  }
+  
+  //Saxon
+  class Saxon extends Soldier {
+    receiveDamage(damage) {
+      this.health -= damage;
+      if (this.health > 0) {
+        return `Un sajón ha recibido ${damage} puntos de daño`;
+      } else {
+        return `Un sajón ha muerto en combate`;
+      }
+    }
+  }
+  
+  //War
+  class War {
+    constructor() {
+      this.vikingArmy = [];
+      this.saxonArmy = [];
+    }
+  
+    addViking(viking) {
+      this.vikingArmy.push(viking);
+    }
+  
+    addSaxon(saxon) {
+      this.saxonArmy.push(saxon);
+    }
+  
+    vikingAttack() {
+      if (this.saxonArmy.length === 0 || this.vikingArmy.length === 0) return '';
+  
+      const vikingIndex = Math.floor(Math.random() * this.vikingArmy.length);
+      const saxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
+  
+      const viking = this.vikingArmy[vikingIndex];
+      const saxon = this.saxonArmy[saxonIndex];
+  
+      const damage = viking.attack();
+      const result = saxon.receiveDamage(damage);
+  
+      if (saxon.health <= 0) {
+        this.saxonArmy.splice(saxonIndex, 1);
+      }
+      return result;
+    }
+  
+    saxonAttack() {
+      if (this.saxonArmy.length === 0 || this.vikingArmy.length === 0) return '';
+  
+      const vikingIndex = Math.floor(Math.random() * this.vikingArmy.length);
+      const saxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
+  
+      const viking = this.vikingArmy[vikingIndex];
+      const saxon = this.saxonArmy[saxonIndex];
+  
+      const damage = saxon.attack();
+      const result = viking.receiveDamage(damage);
+  
+      if (viking.health <= 0) {
+        this.vikingArmy.splice(vikingIndex, 1);
+      }
+      return result;
+    }
+  
+    showStatus() {
+      if (this.saxonArmy.length === 0) {
+        return "¡Los vikingos han ganado la guerra del siglo!";
+      } else if (this.vikingArmy.length === 0) {
+        return "Los sajones han luchado por sus vidas y sobrevivieron otro día...";
+      } else {
+        return "Los vikingos y los sajones todavía están en el fragor de la batalla";
+      }
+    }
+  
+    // Iteración 5
+    attack(attackingArmy, defendingArmy) {
+      if (defendingArmy.length === 0 || attackingArmy.length === 0) return '';
+  
+      const attackerIndex = Math.floor(Math.random() * attackingArmy.length);
+      const defenderIndex = Math.floor(Math.random() * defendingArmy.length);
+  
+      const attacker = attackingArmy[attackerIndex];
+      const defender = defendingArmy[defenderIndex];
+      const damage = attacker.attack();
+      const result = defender.receiveDamage(damage);
+  
+      if (defender.health <= 0) {
+        defendingArmy.splice(defenderIndex, 1);
+      }
+      return result;
+    }
+  
+    vikingAttackRefactor() {
+      return this.attack(this.vikingArmy, this.saxonArmy);
+    }
+  
+    saxonAttackRefactor() {
+      return this.attack(this.saxonArmy, this.vikingArmy);
+    }
+  }
+  
 
-// Viking
-class Viking {}
+  const guerra = new War();
+  
+  const viking1 = new Viking("Ragnar", 100, 20);
+  const viking2 = new Viking("Bjorn", 120, 15);
+  const saxon1 = new Saxon(80, 10);
+  const saxon2 = new Saxon(90, 12);
+  
+  guerra.addViking(viking1);
+  guerra.addViking(viking2);
+  guerra.addSaxon(saxon1);
+  guerra.addSaxon(saxon2);
+  
+  console.log(guerra.showStatus());
+  console.log(guerra.vikingAttack());
+  console.log(guerra.showStatus());
+  console.log(guerra.saxonAttack());
+  console.log(guerra.showStatus());
+  
 
-// Saxon
-class Saxon {}
-
-// War
-class War {}
+  const guerraRefactor = new War();
+  guerraRefactor.addViking(viking1);
+  guerraRefactor.addViking(viking2);
+  guerraRefactor.addSaxon(saxon1);
+  guerraRefactor.addSaxon(saxon2);
+  
+  console.log("Refactorizado:");
+  console.log(guerraRefactor.showStatus());
+  console.log(guerraRefactor.vikingAttackRefactor());
+  console.log(guerraRefactor.showStatus());
+  console.log(guerraRefactor.saxonAttackRefactor());
+  console.log(guerraRefactor.showStatus());
+  
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