diff --git a/src/assets/music/hurt.mp3 b/src/assets/music/hurt.mp3
new file mode 100644
index 0000000..163b865
Binary files /dev/null and b/src/assets/music/hurt.mp3 differ
diff --git a/src/game/firstperson.html b/src/game/firstperson.html
index 71081b1..f3d7bf5 100644
--- a/src/game/firstperson.html
+++ b/src/game/firstperson.html
@@ -14,12 +14,12 @@
 <body>
     <audio id="bgm" src="/assets/music/game.mp3"></audio>
     <audio id="sfx" src="/assets/music/slash.mp3"></audio>
-    <audio id="sfxhrt" src="/assets/music/heart.mp3"></audio>
+    <audio id="sfxhrt" src="/assets/music/hurt.mp3"></audio>
     <div class="container-first">
         <div class="content">
             <div class="boss">
                 <img id="boss" src="/assets/Design/PYTHON-BOSSFIGHTMODEFINALt.gif" alt="">
-                <img id="dmg" class="dmg" src="/assets/Design/damageeffect.gif"/>
+                <img id="dmg" class="dmg" src="/assets/Design/damageeffectNEWSLASH.gif"/>
             </div>
             <div class="hearts" id="hrt">
                 <img id="h1" src="/assets/Design/Heartfull.png">
