===================================================================
--- original.js
+++ change.js
@@ -410,20 +410,20 @@
 	return self;
 });
 var ProjectileEnemy = GameInstance.expand(function (config) {
 	var self = GameInstance.call(this, config);
-	var projectileAsset = self.attachAsset('projectileEnemy', {
+	self.graphics = self.attachAsset('projectileEnemy', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		rotation: config.direction - MATH_QUARTER_PI
 	});
 	self.update = function () {
 		if (!isPaused) {
 			self.moveInDirection(config.direction, ENEMY_RANGED_PROJECTILE_SPEED);
 			if (LK.ticks % 15 === 0) {
-				projectileAsset.scale.x *= -1;
-				projectileAsset.scale.y *= -1;
-				projectileAsset.rotation += Math.PI;
+				self.graphics.scale.x *= -1;
+				self.graphics.scale.y *= -1;
+				self.graphics.rotation += Math.PI;
 			}
 			if (self.intersectsInstance(hero)) {
 				hero.takeDamage(config.damage);
 				self.callDestroy();
@@ -431,8 +431,9 @@
 				self.callDestroy();
 			}
 		}
 	};
+	self.setElevation(self.elevation);
 	return self;
 });
 var ProjectileCross = GameInstance.expand(function (config) {
 	var self = GameInstance.call(this, config);
@@ -617,9 +618,9 @@
 	});
 	self.onActivate = function () {
 		for (var i = midgroundContainer.children.length - 1; i >= 0; i--) {
 			var child = midgroundContainer.children[i];
-			if (child.tags[TAG_ENEMY]) {
+			if (child.tags[TAG_ENEMY] && !child.tags[TAG_BOSS]) {
 				child.callDestroy();
 			}
 		}
 		for (var i = backgroundContainer.children.length - 1; i >= 0; i--) {
@@ -743,9 +744,8 @@
 	self.xpDropBase = 0;
 	self.xpDropChance = 0;
 	self.xpDropExtraRolls = 0;
 	self.update = function () {
-		self.animationAlpha++;
 		if (!isPaused) {
 			var state = ENEMY_STATE_MOVE;
 			var dx = hero.x - self.x;
 			var dy = hero.y - self.y;
@@ -771,10 +771,11 @@
 			if (stateValues.canAttack && cooldown <= 0) {
 				cooldown = self.attackCooldown;
 				self.onAttack();
 			}
-			self.onUpdate();
 		}
+		self.animationAlpha++;
+		self.onUpdate();
 	};
 	self.adjustState = function (state, stateValues) {
 		switch (state) {
 			case ENEMY_STATE_MOVE:
@@ -797,9 +798,9 @@
 			self.callDestroy();
 		} else {
 			if (!self.healthBar) {
 				self.healthBar = self.addChild(new ProgressBar({
-					y: self.healthOffset,
+					y: -self.elevation - self.graphics.height * self.graphics.anchor.x + self.healthOffset,
 					tint: ENEMY_COLOUR
 				}));
 			}
 			self.healthBar.setPercentage(Math.max(0, 1 - damageTaken / self.health));
@@ -839,21 +840,27 @@
 var EnemyRanged = Enemy.expand(function (config) {
 	var self = Enemy.call(this, config);
 	var adjustStateBase = self.adjustState;
 	self.speed = ENEMY_RANGED_SPEED;
+	self.attackRange = ENEMY_RANGED_RANGE_MIN + ENEMY_RANGED_RANGE_VAR * Math.random();
+	self.attackCooldown = ENEMY_RANGED_ATTACK_COOLDOWN;
 	self.fleeRange = self.attackRange * ENEMY_RANGED_FLEE_DISTANCE_FACTOR;
 	self.health = ENEMY_RANGED_HEALTH_BASE + ENEMY_RANGED_HEALTH_SCALE * difficultyScale;
 	self.healthOffset = ENEMY_RANGED_HEALTH_OFFSET;
-	self.attackRange = ENEMY_RANGED_RANGE_MIN * ENEMY_RANGED_RANGE_VAR * Math.random();
-	self.attackCooldown = ENEMY_RANGED_ATTACK_COOLDOWN;
 	self.xpDropBase = ENEMY_RANGED_XP_DROP_BASE;
 	self.xpDropChance = ENEMY_RANGED_XP_DROP_CHANCE;
 	self.xpDropExtraRolls = ENEMY_RANGED_XP_EXTRA_ROLLS;
 	self.graphics = self.attachAsset('enemyRanged', {
-		y: ENEMY_RANGED_GRAPHICS_OFFSET,
-		anchorX: 0.6,
+		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	self.onUpdate = function () {
+		// Scale the enemy up and down
+		var newScale = 1 + Math.sin(self.animationAlpha / ENEMY_RANGED_SCALE_PERIOD) * ENEMY_RANGED_SCALE_MAGNITUDE;
+		self.graphics.scale.x = newScale;
+		self.graphics.scale.y = newScale;
+		self.setRadius(ENEMY_RANGED_RADIUS_BASE * newScale);
+	};
 	self.adjustState = function (state, stateValues) {
 		var newStateValues = adjustStateBase(state, stateValues);
 		switch (state) {
 			case ENEMY_STATE_MOVE:
@@ -870,32 +877,26 @@
 		var dx = hero.x - self.x;
 		var dy = (hero.y - self.y) / GAME_PERSPECTIVE;
 		midgroundContainer.addChild(new ProjectileEnemy({
 			x: self.x,
-			y: self.y + self.elevation,
+			y: self.y - self.graphics.y,
 			direction: Math.atan2(dy, dx),
 			elevation: self.elevation,
 			radius: ENEMY_RANGED_PROJECTILE_RADIUS,
 			damage: ENEMY_RANGED_ATTACK_DAMAGE
 		}));
 	};
-	self.onUpdate = function () {
-		// Scale the enemy up and down
-		var newScale = 1 + Math.sin(self.animationAlpha / ENEMY_RANGED_SCALE_PERIOD) * ENEMY_RANGED_SCALE_MAGNITUDE;
-		self.graphics.scale.x = newScale;
-		self.graphics.scale.y = newScale;
-	};
-	self.setRadius(self.graphics.width / 2);
-	self.setElevation(ENEMY_RANGED_GRAPHICS_OFFSET);
+	self.setElevation(ENEMY_RANGED_ELEVATION);
+	self.setRadius(ENEMY_RANGED_RADIUS_BASE);
 	return self;
 });
 var EnemyBoss = Enemy.expand(function (config) {
 	var self = Enemy.call(this, config);
-	var baseUpdate = self.update;
 	var adjustStateBase = self.adjustState;
 	var container = self.addChild(new SortingContainer(function (a, b) {
 		return Math.sin(a.rotation) - Math.sin(b.rotation);
 	}));
+	self.tags[TAG_BOSS] = true;
 	self.speed = ENEMY_BOSS_SPEED;
 	self.health = ENEMY_BOSS_HEALTH;
 	self.attackRange = ENEMY_BOSS_ATTACK_RANGE;
 	self.attackCooldown = ENEMY_BOSS_ATTACK_COOLDOWN;
@@ -934,9 +935,9 @@
 		enemySpawner.setEnabled(false);
 		upgradeButton.setHidden(true);
 		for (var i = midgroundContainer.children.length - 1; i >= 0; i--) {
 			var child = midgroundContainer.children[i];
-			if (child.tags[TAG_ENEMY]) {
+			if (child.tags[TAG_ENEMY] && !child.tags[TAG_BOSS]) {
 				child.callDestroy();
 			}
 		}
 		for (var i = backgroundContainer.children.length - 1; i >= 0; i--) {
@@ -967,9 +968,8 @@
 	return self;
 });
 var EnemyBasic = Enemy.expand(function (config) {
 	var self = Enemy.call(this, config);
-	var updateBase = self.update;
 	var onDestroyBase = self.onDestroy;
 	self.speed = ENEMY_BASIC_SPEED;
 	self.health = ENEMY_BASIC_HEALTH_BASE + ENEMY_BASIC_HEALTH_SCALE * difficultyScale;
 	self.attackRange = ENEMY_BASIC_ATTACK_RANGE;
@@ -979,10 +979,9 @@
 	self.graphics = self.attachAsset('enemyBasic', {
 		anchorX: 0.5,
 		anchorY: 1.0
 	});
-	self.update = function () {
-		updateBase();
+	self.onUpdate = function () {
 		self.setElevation(ENEMY_BASIC_GRAPHICS_OFFSET + ENEMY_BASIC_BOB_MAGNITUDE * Math.sin(self.animationAlpha / ENEMY_BASIC_BOB_PERIOD));
 		if (self.healthBar) {
 			self.healthOffset = -self.elevation - self.graphics.height + ENEMY_BASIC_HEALTH_OFFSET;
 			self.healthBar.y = self.healthOffset;
@@ -1072,9 +1071,9 @@
 	var enabled = true;
 	self.update = function () {
 		if (!isPaused && enabled && enemyCount < ENEMY_LIMIT && --spawnTimer <= 0) {
 			spawnTimer = Math.max(ENEMY_SPAWN_RATE_MIN, ENEMY_SPAWN_RATE_BASE - Math.floor(ENEMY_SPAWN_RATE_SCALE * difficultyScale));
-			var isRanged = difficultyScale >= ENEMY_RANGED_DIFFICULTY && Math.random() < Math.min(ENEMY_RANGED_SPAWN_CHANCE_MIN, ENEMY_RANGED_SPAWN_CHANCE_FACTOR * difficultyScale);
+			var isRanged = difficultyScale >= ENEMY_RANGED_SPAWN_DIFFICULTY && Math.random() < Math.max(ENEMY_RANGED_SPAWN_CHANCE_MIN, ENEMY_RANGED_SPAWN_CHANCE_FACTOR * difficultyScale);
 			var enemyClass = isRanged ? EnemyRanged : EnemyBasic;
 			self.spawnClass(enemyClass);
 		}
 	};
@@ -1135,8 +1134,15 @@
 
 /**** 
 * Game Code
 ****/ 
+// Play background ambient sound every 10 seconds
+LK.setInterval(function () {
+	backgroundAmbientSound.play();
+}, 10000);
+// Play background ambient sound on game start
+var backgroundAmbientSound = LK.getSound('backgroundAmbient');
+backgroundAmbientSound.play();
 ;
 //==============================================================================
 // Global constants & settings
 //==============================================================================
@@ -1163,8 +1169,9 @@
 var GAME_PERSPECTIVE = 0.5;
 ;
 // Tags
 var TAG_ENEMY = 'Enemy';
+var TAG_BOSS = 'Boss';
 var TAG_PROJECTILE = 'Projectile';
 var TAG_PICKUP = 'Pickup';
 var TAG_EXPERIENCE = 'Experience';
 var TAG_CRUCIFIX = 'Crucifix';
@@ -1202,24 +1209,25 @@
 var WEAPON_OFFSET = 350;
 var WEAPON_HEIGHT_BASE = 50;
 var WEAPON_HEIGHT_PERIOD = 10;
 var WEAPON_HEIGHT_MAGNITUDE = 10;
+;
 var WEAPON_CROSS_SPLIT_INCREMENT = 20 / 180 * Math.PI;
 var WEAPON_CROSS_RANGE_BASE = 200;
 var WEAPON_CROSS_RANGE_SCALING = 100;
 var WEAPON_CROSS_RANGE_VARIATION = 0.1;
 var WEAPON_CROSS_RADIUS_BASE = 50;
-var WEAPON_CROSS_SCALE_SCALING = 0.25;
+var WEAPON_CROSS_SCALE_SCALING = 0.2;
 var WEAPON_CROSS_SCALE_DAMAGE_FACTOR = 0.1;
 var WEAPON_CROSS_COOLDOWN_HIT = GAME_TICKS / 6;
 var WEAPON_CROSS_COOLDOWN_BASE = 120;
-var WEAPON_CROSS_COOLDOWN_SCALING = 0.25;
+var WEAPON_CROSS_COOLDOWN_SCALING = 0.15;
 var WEAPON_CROSS_DAMAGE_BASE = 15;
 var WEAPON_CROSS_DAMAGE_SCALING = 10;
 var WEAPON_CROSS_LINGER_BASE = 0;
 var WEAPON_CROSS_LINGER_VARIANCE = GAME_TICKS / 6;
 var WEAPON_CROSS_LINGER_SCALING = 0.25 * GAME_TICKS;
-var WEAPON_CROSS_GROWTH_SCALING = 0.15 / GAME_TICKS;
+var WEAPON_CROSS_GROWTH_SCALING = 0.20 / GAME_TICKS;
 var WEAPON_CROSS_SPEED_BASE = 30;
 var WEAPON_CROSS_SPEED_DECREMENT = 1;
 var WEAPON_CROSS_ELEVATION = 175;
 var WEAPON_CROSS_ROTATION = 0.2;
@@ -1254,30 +1262,31 @@
 ;
 var ENEMY_RANGED_SPEED = 1.0;
 var ENEMY_RANGED_HEALTH_BASE = 20;
 var ENEMY_RANGED_HEALTH_SCALE = 60;
-var ENEMY_RANGED_HEALTH_OFFSET = 20;
+var ENEMY_RANGED_HEALTH_OFFSET = -20;
 var ENEMY_RANGED_RANGE_MIN = 500;
 var ENEMY_RANGED_RANGE_VAR = 250;
 var ENEMY_RANGED_ATTACK_DAMAGE = 5;
 var ENEMY_RANGED_ATTACK_COOLDOWN = 4 * GAME_TICKS;
-var ENEMY_RANGED_MOVE_COOLDOWN_ADJUSTMENT = -0.5;
-var ENEMY_RANGED_GRAPHICS_OFFSET = 200;
+var ENEMY_RANGED_MOVE_COOLDOWN_ADJUSTMENT = -0.25;
+var ENEMY_RANGED_ELEVATION = 150;
 var ENEMY_RANGED_FLEE_DISTANCE_FACTOR = 0.35;
 var ENEMY_RANGED_FLEE_SPEED_FACTOR = 2.0;
 var ENEMY_RANGED_SCALE_PERIOD = 20;
 var ENEMY_RANGED_SCALE_MAGNITUDE = 0.05;
+var ENEMY_RANGED_RADIUS_BASE = 60;
 var ENEMY_RANGED_XP_DROP_BASE = 2;
 var ENEMY_RANGED_XP_DROP_CHANCE = 0.5; // Per level of Luck
 var ENEMY_RANGED_XP_EXTRA_ROLLS = 0;
-var ENEMY_RANGED_DIFFICULTY = 0.2;
-var ENEMY_RANGED_SPAWN_CHANCE_MIN = 0.4;
-var ENEMY_RANGED_SPAWN_CHANCE_FACTOR = 0.5;
+var ENEMY_RANGED_SPAWN_DIFFICULTY = 0; // 0.2;
+var ENEMY_RANGED_SPAWN_CHANCE_MIN = 0.2;
+var ENEMY_RANGED_SPAWN_CHANCE_FACTOR = 0.6;
 var ENEMY_RANGED_PROJECTILE_SPEED = 10;
-var ENEMY_RANGED_PROJECTILE_RADIUS = 50;
+var ENEMY_RANGED_PROJECTILE_RADIUS = 25;
 ;
 var ENEMY_BOSS_SPEED = 3.0;
-var ENEMY_BOSS_HEALTH = 5000;
+var ENEMY_BOSS_HEALTH = 10000;
 var ENEMY_BOSS_HEALTH_OFFSET = -30;
 var ENEMY_BOSS_ATTACK_RANGE = 200;
 var ENEMY_BOSS_ATTACK_DAMAGE = 5;
 var ENEMY_BOSS_ATTACK_COOLDOWN = GAME_TICKS / 6;
@@ -1325,10 +1334,10 @@
 	'Health': 0,
 	'Speed': 0
 };
 var majorBoonLevels = {
-	'Growth': 0,
-	'Split': 0
+	'Growth': 3,
+	'Split': 3
 };
 ;
 // Game instances
 game.attachAsset('grassTop', {
@@ -1349,9 +1358,9 @@
 var interfaceContainer = game.addChild(new Container());
 var hero = midgroundContainer.addChild(new Hero({
 	x: GAME_WIDTH / 2,
 	y: GAME_HEIGHT / 2,
-	radius: 75
+	radius: 65
 }));
 /* 
 backgroundContainer.addChild(new PickupWeapon({
 	x: GAME_WIDTH / 4 * 2,