diff --git a/src/viking.js b/src/viking.js
index fe1febf..f5f911a 100644
--- a/src/viking.js
+++ b/src/viking.js
@@ -1,19 +1,128 @@
 // Soldier
-class Soldier {}
+class Soldier {
+  constructor(health, strength) {
+    this.health = health;
+    this.strength = strength;
+  }
+  attack() {
+    return this.strength;
+  }
+  receiveDamage(damage) {
+    this.health -= damage;
+  }
+}
 
 // Viking
-class 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.toUpperCase()} has received ${damage} points of damage`;
+    } else if (this.health <= 0) {
+      return `${this.name.toUpperCase()} has died in act of combat`;
+    }
+  }
+  battleCry() {
+    return 'Odin Owns You All!';
+  }
+}
 
 // Saxon
-class Saxon {}
+class Saxon extends Soldier {
+  receiveDamage(damage) {
+    this.health -= damage;
+    if (this.health > 0) {
+      return `A Saxon has received ${damage} points of damage`;
+    } else if (this.health <= 0) {
+      return `A Saxon has died in act of combat`;
+    }
+  }
+}
 
 // War
-class War {}
+class War {
+  constructor() {
+    this.vikingArmy = [];
+    this.saxonArmy = [];
+  }
+
+  addViking(viking) {
+    this.vikingArmy.push(viking);
+  }
+
+  addSaxon(saxon) {
+    this.saxonArmy.push(saxon);
+  }
+
+  vikingAttack() {
+    const randomSaxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
+    const randomVikingIndex = Math.floor(
+      Math.random() * this.vikingArmy.length
+    );
+
+    const saxon = this.saxonArmy[randomSaxonIndex];
+    const viking = this.vikingArmy[randomVikingIndex];
+
+    const result = saxon.receiveDamage(viking.strength);
+
+    this.saxonArmy = this.saxonArmy.filter((s) => s.health > 0);
+
+    return result;
+  }
 
+  saxonAttack() {
+    const randomSaxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
+    const randomVikingIndex = Math.floor(
+      Math.random() * this.vikingArmy.length
+    );
 
+    const saxon = this.saxonArmy[randomSaxonIndex];
+    const viking = this.vikingArmy[randomVikingIndex];
 
-// The following is required to make unit tests work.
-/* Environment setup. Do not modify the below code. */
-if (typeof module !== 'undefined') {
-  module.exports = { Soldier, Viking, Saxon, War };
+    const result = viking.receiveDamage(saxon.strength);
+
+    this.vikingArmy = this.vikingArmy.filter((v) => v.health > 0);
+
+    return result;
+  }
+
+  showStatus() {
+    if (this.saxonArmy.length === 0) {
+      return 'Vikings have won the war of the century!';
+    } else if (this.vikingArmy.length === 0) {
+      return 'Saxons have fought for their lives and survived another day...';
+    } else {
+      return 'Vikings and Saxons are still in the thick of battle.';
+    }
+  }
 }
+
+// Create Vikings and Saxons
+const viking1 = new Viking('Ragnar', 100, 30);
+const viking2 = new Viking('Lagertha', 80, 25);
+
+const saxon1 = new Saxon(60, 20);
+const saxon2 = new Saxon(50, 15);
+
+// Create a war instance
+const war = new War();
+
+// Add Vikings and Saxons to their armies
+war.addViking(viking1);
+war.addViking(viking2);
+war.addSaxon(saxon1);
+war.addSaxon(saxon2);
+
+// Simulate attacks
+console.log('Viking attacks:');
+console.log(war.vikingAttack());
+
+console.log('Saxon attacks:');
+console.log(war.saxonAttack());
+
+console.log('War Status:');
+console.log(war.showStatus());