diff --git a/assets/config.json b/assets/config.json
index 8580e88..1774494 100644
--- a/assets/config.json
+++ b/assets/config.json
@@ -44,7 +44,8 @@
     "axe_ranger": "assets/axe_ranger-256.png",
     "hairy_spider": "assets/hairy_spider-256.png",
     "down_the_well": "assets/down_the_well.jpg",
-    "boss_fight": "assets/rat-king-boss-fight-test-small.jpg"
+    "boss_fight_background": "assets/rat_king_boss_fight_background.jpg",
+    "boss_fight": "assets/rat_king_boss_fight_sprite.png"
   },
   "enemy": {
     "HEARING_DISTANCE": 5
diff --git a/assets/enemies.json b/assets/enemies.json
index 5befe3d..02ff373 100644
--- a/assets/enemies.json
+++ b/assets/enemies.json
@@ -36,7 +36,7 @@
       {"_type": "EnemyConfig", "hearing_distance": 5},
       {"_type": "Sprite", "name": "axe_ranger"},
       {"_type": "Animation", "scale": 0.1, "simple": false, "frames": 10, "speed": 0.6},
-      {"_type": "Sound", "attack": "Sword_Hit_1", "death": "Ranger_1"}
+      {"_type": "Sound", "attack": "Sword_Hit_2", "death": "Ranger_1"}
     ]
   },
   "EVIL_EYE": {
diff --git a/assets/rat_king_boss_fight_background.jpg b/assets/rat_king_boss_fight_background.jpg
new file mode 100644
index 0000000..68d8bd6
Binary files /dev/null and b/assets/rat_king_boss_fight_background.jpg differ
diff --git a/assets/rat_king_boss_fight_sprite.png b/assets/rat_king_boss_fight_sprite.png
new file mode 100644
index 0000000..4995f22
Binary files /dev/null and b/assets/rat_king_boss_fight_sprite.png differ
diff --git a/boss_fight_ui.cpp b/boss_fight_ui.cpp
index 1b746f7..11e218c 100644
--- a/boss_fight_ui.cpp
+++ b/boss_fight_ui.cpp
@@ -1,5 +1,6 @@
 #include "boss_fight_ui.hpp"
 #include "easings.hpp"
+#include "sound.hpp"
 
 namespace gui {
   BossFightUI::BossFightUI(GameLevel level)
@@ -19,10 +20,15 @@ namespace gui {
     "[overlay_9|overlay_10|overlay_12]"
     "[overlay_13|overlay_14|overlay_16]");
 
+    $boss_background = textures::get("boss_fight_background");
+    auto bg_bounds = $boss_background.sprite->getLocalBounds();
+    $boss_background.sprite->setPosition({300, 0});
+
     $boss_image = textures::get("boss_fight");
     auto bounds = $boss_image.sprite->getLocalBounds();
-    $boss_image.sprite->setPosition({300 + bounds.size.x / 2, bounds.size.y / 2});
+    float x_diff = bg_bounds.size.x / 2;
     $boss_image.sprite->setOrigin({bounds.size.x / 2, bounds.size.y / 2});
+    $boss_image.sprite->setPosition({300.0f + x_diff, bounds.size.y / 2});
   }
 
   void BossFightUI::init() {
@@ -54,13 +60,21 @@ namespace gui {
 
   void BossFightUI::bounce_boss(sf::RenderWindow& window) {
     auto time = $clock.getElapsedTime();
-    float tick = ease::out_bounce(ease::sine(time.asSeconds()));
-    float scale = std::lerp(1.0, 1.15, tick);
+    float tick = ease::in_out_back(ease::sine(time.asSeconds() * 10.0f));
+    float scale = std::lerp(0.8, 1.1, tick);
     $boss_image.sprite->setScale({scale, scale});
+
+    if(scale > 1.0) {
+      if(!sound::playing("Sword_Hit_2")) sound::play("Sword_Hit_2");
+      $boss_image.sprite->setColor({255,255,255});
+    }
+
     window.draw(*$boss_image.sprite);
   }
 
   void BossFightUI::render(sf::RenderWindow& window) {
+    window.draw(*$boss_background.sprite);
+
     if($boss_hit) {
       bounce_boss(window);
     } else {
@@ -82,6 +96,8 @@ namespace gui {
     }
 
     if($overlay.mouse(x, y)) {
+      sound::play("Sword_Hit_1");
+      $boss_image.sprite->setColor({255,225,225});
       $boss_hit = !$boss_hit;
       $boss_hp--;
     }
@@ -90,6 +106,7 @@ namespace gui {
   }
 
   void BossFightUI::update_level(GameLevel &level) {
+    $boss_image.sprite->setColor({255,255,255});
     $level = level;
     $boss_hp = 10 * $level.index + 1;  // make him stronger
     $boss_hit = false;
diff --git a/boss_fight_ui.hpp b/boss_fight_ui.hpp
index ed28550..52190c8 100644
--- a/boss_fight_ui.hpp
+++ b/boss_fight_ui.hpp
@@ -25,6 +25,7 @@ namespace gui {
       guecs::UI $status;
       guecs::UI $overlay;
       textures::SpriteTexture $boss_image;
+      textures::SpriteTexture $boss_background;
 
       BossFightUI(GameLevel level);
 
diff --git a/sound.cpp b/sound.cpp
index 4afd135..4422abb 100644
--- a/sound.cpp
+++ b/sound.cpp
@@ -12,6 +12,20 @@ namespace sound {
   using std::make_shared;
   namespace fs = std::filesystem;
 
+  SoundPair& get_sound_pair(const std::string& name) {
+    dbc::check(initialized, "You need to call sound::init() first");
+
+    if(SMGR.sounds.contains(name)) {
+      // get the sound from the sound map
+      return SMGR.sounds.at(name);
+    } else {
+      dbc::log(fmt::format("Attempted to stop {} sound but not available.",
+            name));
+      return SMGR.sounds.at("blank");
+    }
+  }
+
+
   void init() {
     if(!initialized) {
       Config assets("assets/config.json");
@@ -38,44 +52,28 @@ namespace sound {
   }
 
   void play(const std::string name, bool loop) {
-    dbc::check(initialized, "You need to call sound::init() first");
     if(muted) return;
-
-    if(SMGR.sounds.contains(name)) {
-      // get the sound from the sound map
-      auto pair = SMGR.sounds.at(name);
-      pair.sound->setLooping(loop);
-      // play it
-      pair.sound->play();
-    } else {
-      dbc::log(fmt::format("Attempted to play {} sound but not available.",
-            name));
-    }
+    auto& pair = get_sound_pair(name);
+    pair.sound->setLooping(loop);
+    // play it
+    pair.sound->play();
   }
 
   void stop(const std::string name) {
-    dbc::check(initialized, "You need to call sound::init() first");
+    auto& pair = get_sound_pair(name);
+    pair.sound->stop();
+  }
 
-    if(SMGR.sounds.contains(name)) {
-      // get the sound from the sound map
-      auto pair = SMGR.sounds.at(name);
-      pair.sound->stop();
-    } else {
-      dbc::log(fmt::format("Attempted to stop {} sound but not available.",
-            name));
-    }
+  bool playing(const std::string name) {
+    auto& pair = get_sound_pair(name);
+    auto status = pair.sound->getStatus();
+    return status == sf::SoundSource::Status::Playing;
   }
 
   void play_at(const std::string name, float x, float y, float z) {
-    dbc::check(initialized, "You need to call sound::init() first");
-    if(SMGR.sounds.contains(name)) {
-      auto pair = SMGR.sounds.at(name);
-      pair.sound->setPosition({x, y, z});
-      pair.sound->play();
-    } else {
-      dbc::log(fmt::format("Attempted to play_at {} sound but not available.",
-            name));
-    }
+    auto& pair = get_sound_pair(name);
+    pair.sound->setPosition({x, y, z});
+    pair.sound->play();
   }
 
   void mute(bool setting) {
diff --git a/sound.hpp b/sound.hpp
index 9a8b4eb..bf6a058 100644
--- a/sound.hpp
+++ b/sound.hpp
@@ -21,4 +21,6 @@ namespace sound {
   void play_at(const std::string name, float x, float y, float z);
   void stop(const std::string name);
   void mute(bool setting);
+  bool playing(const std::string name);
+  SoundPair& get_sound_pair(const std::string& name);
 }