diff --git a/NS.py b/NS.py
index 0c416c0..deb268b 100644
--- a/NS.py
+++ b/NS.py
@@ -1701,6 +1701,14 @@ class Boss(Animation):
             frame = background.frames[0].copy()
             frame.fill((0, 150, 150), None, pygame.BLEND_RGB_SUB)
             background.add_frame(frame)
+            # Shining background
+            background.add_frameset(name="shining", switch=True, framerate=120)
+            for hue in range(0, 360, 40):
+                frame = background.frames[0].copy()
+                color = Color(0, 0, 0)
+                color.hsla = hue, 30, 30, 100
+                frame.fill(color, None, pygame.BLEND_RGB_ADD)
+                background.add_frame(frame)
             background.set_frameset("normal")
         self.countdown = Countdown(self)
         # Set the alien's arm to its own sprite
@@ -1785,7 +1793,7 @@ class Boss(Animation):
             dialogue.set_avatar(self.visitor_avatar)
             dialogue.set_name("Visitor")
             self.visitor.hide()
-            self.play(self.enter_boss, play_once=True, delay=2000)
+            self.play(self.enter_boss, play_once=True, delay=1500)
         elif index == 2:
             dialogue.set_avatar(self.spoopy_avatar)
             dialogue.set_name("Spoopy")
@@ -1796,6 +1804,8 @@ class Boss(Animation):
         self.get_game().platform.activate()
         self.get_game().chemtrails.activate()
         self.last_attack = NS.NW
+        self.backgrounds[self.level_index].set_frameset("normal")
+        self.halt(self.flash_player_damage)
 
     def show_introduction_dialogue(self):
         dialogue = self.get_game().dialogue
@@ -2039,6 +2049,9 @@ class Boss(Animation):
             elif self.level_index == 2:
                 self.spoopy.set_frameset(0)
                 self.add_score()
+            self.backgrounds[self.level_index].set_frameset("shining")
+        else:
+            self.play(self.flash_player_damage)
         self.player_defeated = not win
         self.kills += not win
         self.play(self.show_end_dialogue, delay=3000, play_once=True)
@@ -2050,6 +2063,7 @@ class Boss(Animation):
     def show_end_dialogue(self):
         dialogue = self.get_game().dialogue
         dialogue.activate()
+        self.get_audio().play_sfx("die")
         if self.level_index == 0:
             if self.player_defeated:
                 dialogue.show_text("Maybe next time!")
@@ -2483,10 +2497,12 @@ class Sword(Animation):
                         if self.attacking_player and ii == self.active_sprite_index:
                             sprite.hide()
                             self.get_game().boss.start_player_damage()
+                            self.get_audio().play_sfx("damage", x=sprite.location.centerx)
                         else:
                             center_save = sprite.location.center
                             sprite.set_frameset("explode")
                             sprite.location.center = center_save
+                            self.get_audio().play_sfx("explode", x=sprite.location.centerx)
                             if self.parent.level_index == 1:
                                 if self.parent.is_playing(self.parent.end_hit_animation, include_delay=True):
                                     self.parent.halt(self.parent.end_hit_animation)
diff --git a/resource/scores b/resource/scores
index 7ae2e85..2628058 100644
--- a/resource/scores
+++ b/resource/scores
@@ -12,3 +12,5 @@
 54614
 52434
 168209
+141407
+139786
diff --git a/resource/sfx/damage.wav b/resource/sfx/damage.wav
new file mode 100644
index 0000000..9874077
Binary files /dev/null and b/resource/sfx/damage.wav differ
diff --git a/resource/sfx/die.wav b/resource/sfx/die.wav
new file mode 100644
index 0000000..4df5b72
Binary files /dev/null and b/resource/sfx/die.wav differ
diff --git a/resource/sfx/explode.wav b/resource/sfx/explode.wav
new file mode 100644
index 0000000..90fff8b
Binary files /dev/null and b/resource/sfx/explode.wav differ