diff --git a/res/sfx/encounter.wav b/res/sfx/encounter.wav
new file mode 100644
index 0000000..e862dc0
Binary files /dev/null and b/res/sfx/encounter.wav differ
diff --git a/src/assets.py b/src/assets.py
index 1e6c824..df659e8 100644
--- a/src/assets.py
+++ b/src/assets.py
@@ -12,5 +12,6 @@ sprites = {
 }
 
 sounds = {
-    "mus_fnafsux": pygame.mixer.Sound("res/mus/fnafsux.wav")
+    "mus_fnafsux": pygame.mixer.Sound("res/mus/fnafsux.wav"),
+    "sfx_encounter": pygame.mixer.Sound("res/sfx/encounter.wav")
 }
diff --git a/src/gamestates/overworld.py b/src/gamestates/overworld.py
index d9b7ffe..42109a0 100644
--- a/src/gamestates/overworld.py
+++ b/src/gamestates/overworld.py
@@ -1,3 +1,4 @@
+import assets
 import arcade
 import controls
 import gamestate
@@ -12,12 +13,14 @@ overworld  = OverworldMap()
 
 btrans_active = False
 btrans_timer  = 0
+btrans_sound  = None
 BTRANS_PULSE_DUR = 0.25
 BTRANS_DURATION  = 0.75
 
 def start_battle(battle_id):
-    global btrans_active, btrans_timer
+    global btrans_active, btrans_timer, btrans_sound
     gamestate.gamestates["battle"].battle_id = battle_id
+    btrans_sound = assets.sounds["sfx_encounter"].play()
     btrans_active   = True
     btrans_timer    = 0
 
@@ -31,6 +34,7 @@ def update(game, dt):
         
         if btrans_timer >= BTRANS_DURATION:
             game.mos_enabled = False
+            btrans_sound.stop()
             gamestate.switch_gamestate(game,"battle")
         
         game.mos_enabled = True