===================================================================
--- original.js
+++ change.js
@@ -20,10 +20,18 @@
 // Hero class to manage the player's hero
 var Hero = Container.expand(function () {
 	var self = Container.call(this);
 	self.health = 100;
+	self.strength = 10;
+	self.defense = 5;
+	self.speed = 5;
 	self.update = function () {
 		// Update hero logic
+		// Hero stats management
+		self.health += 1; // Health increases by 1 every update
+		self.strength += 0.5; // Strength increases by 0.5 every update
+		self.defense += 0.2; // Defense increases by 0.2 every update
+		self.speed += 0.1; // Speed increases by 0.1 every update
 	};
 });
 // Kingdom class to manage the player's kingdom
 var Kingdom = Container.expand(function () {