diff --git a/assets/story/boss_fight/down_spike.png b/assets/story/boss_fight/down_spike.png
deleted file mode 100644
index c4e930d..0000000
Binary files a/assets/story/boss_fight/down_spike.png and /dev/null differ
diff --git a/assets/story/boss_fight/top_spike.png b/assets/story/boss_fight/top_spike.png
deleted file mode 100644
index 0f4f0ed..0000000
Binary files a/assets/story/boss_fight/top_spike.png and /dev/null differ
diff --git a/src/scenes/story/boss_fight.py b/src/scenes/story/boss_fight.py
index 1a01488..8fea733 100644
--- a/src/scenes/story/boss_fight.py
+++ b/src/scenes/story/boss_fight.py
@@ -5,7 +5,7 @@ Scene de Combat final contre edmond, inspiré du combat d'omega flowey dans unde
 from enum import Enum
 import random
 from tkinter import RIGHT
-from turtle import down, left, right
+from turtle import down, left, right, shapesize
 
 from engine import CurrentScene, Scene
 from engine.ecs import World
@@ -92,14 +92,26 @@ class Hurtable(Enum):
     FALSE = 1
 
 
+class IsRunning:
+    """
+    Ressource qui definit si le jeux est en cours
+    """
+
+
 def __initialize_world(world: World):
     """
     TODO
     """
     world.set(
-        ShieldPos(Vec2(render.WIDTH / 2, 750)), FightBox(), Life(100), Hurtable.TRUE
+        ShieldPos(Vec2(render.WIDTH / 2, 750)),
+        FightBox(),
+        Life(100),
+        Hurtable.TRUE,
+        IsRunning(),
     )
 
+    world.new_entity().set(Coroutine(__rainning_projectiles(world)))
+
     world.new_entity().set(Sprite(world[Assets].get_texture("background")))
 
     world.new_entity().set(
@@ -211,6 +223,7 @@ def __defeat(world: World):
     TODO
     """
     if world[Life] <= 0:
+        world.remove(IsRunning)
         world[CurrentScene] = __new_game_scene()
 
 
@@ -384,10 +397,53 @@ def __create_spike(world: World, time: float):
 
     yield wait(time)
 
-    top_spike.destroy()
-    down_spike.destroy()
-    left_spike.destroy()
-    right_spike.destroy()
+    top_spike.set(
+        Animation(
+            "spike/spike_up_leaving",
+            30,
+            callback=lambda world, entity: entity.destroy(),
+        )
+    )
+    down_spike.set(
+        Animation(
+            "spike/spike_down_leaving",
+            30,
+            callback=lambda world, entity: entity.destroy(),
+        )
+    )
+    left_spike.set(
+        Animation(
+            "spike/spike_left_leaving",
+            30,
+            callback=lambda world, entity: entity.destroy(),
+        )
+    )
+    right_spike.set(
+        Animation(
+            "spike/spike_right_leaving",
+            30,
+            callback=lambda world, entity: entity.destroy(),
+        )
+    )
+
+
+def __rainning_projectiles(world: World):
+    while IsRunning:
+        entity = world.new_entity()
+        entity.set(
+            Sprite(
+                world[Assets].get_texture("error"),
+                Vec2(random.randint(0, 1399), 300),
+                4,
+            ),
+            Animation("projectiles", 60, True),
+            smooth.Speed(1.3),
+            Hurt(10),
+        )
+        entity.set(smooth.Target(Vec2(entity[Sprite].position.x, 1121)))
+        yield wait(0.5)
+        if entity[Sprite].position.y >= 1080:
+            entity.destroy()
 
 
 def __check_key_pressed(world: World):
@@ -409,7 +465,12 @@ def __new_game_scene() -> Scene:
     return (
         Scene(
             [__initialize_world],
-            [__move, __check_key_pressed, __check_hurt, __defeat],
+            [
+                __move,
+                __check_key_pressed,
+                __check_hurt,
+                __defeat,
+            ],
             [],
         )
         + smooth.PLUGIN